Product Description. Reproduction oil drain line flange gasket. This is an exact replacement for GM #25537227 OEM Turbo Oil Drain Line Flange Gasket. Highway Stars stocks turbo oil drain line flange gasket 25537227 for Buick Grand National GNX turbo regal.Travel to national forests is trending for summer 2021. This is why national forests can be more fun than national parks, from being free and less crowded to having fewer rules. In... For more detailed information and photos, check out our popular 400-page book, "Kirban's Guide to 1986 and 1987 Buick Turbo Regals," Part #6757. So, whatever model sits in your garage, browse our large selection of parts to help make your 1986 or 1987 Grand National something special. The T-Type was introduced by Buick for the 1983 model year. Jul 31, 2023 · Gerber's Roadster Shop understood the turbo V6 was a staple for the Regal Grand National, but it knew an LS swap just had to be done. ... This Grand National can run two ways - mildly with a 1,100 ... However, the Grand National achieved widespread acclaim and success starting with the 1984 model year when the turbo 3.8-liter V6 became standard along …A trip to Redwood National and State Parks is an unforgettable experience where you can explore the park's forests, prairies, and meadows. We may be compensated when you click on p...Prep the intalke gasket. Use hylomar in the spray. Use just a small amount of the right stuff around the water jackets. lightly coat the intake areas with hylomar. Install gasket. By this time the right stuff on the block ends should be ready. install the intake and just snug the bolts.What a nation of 20,000 can do against giants. News headlines are dominated by large countries, but there are over 70 countries with fewer than 1 million citizens. And in an increa...The Buick Turbo cars from 1978 - 1987 are being collected by many enthusiasts. The reasons are many, but perhaps the main reason is the combination of luxury, awesome power and economy, all in one nice package. The 1984 - 1987 Grand Nationals represent the hallmark of these Buick Turbo Cars. The all-black exterior paint and the bulging hood ...The 1986 Grand National engine was a 3.8L V-6 (3.8-inch bore x 3.40-inch stroke) equipped with multi-port Sequential Fuel Injection, a turbocharger, and an air-to-air intercooler. It produced 235 hp at 4,000 rpm and 330- lb.ft. torque at 2,400 rpm. In 1987, those fi gures were boosted to 245 hp at 4,000 rpm and 355-lb.ft. torque at 2,400 rpm.Product Description. Brand-new heavy duty steel reinforced graphite 3 bolt premium turbo to exhaust header flange gasket for 1986 -1987 Buick Grand National, Turbo Regal, 1987 GNX and 1989 Turbo Trans Am with stock turbo and exhaust manifold. Buick Grand National turbo flange header gasket.There are 29 Buick Grand National for sale right now - Follow the Market and get notified with new listings and sale prices.Prep the intalke gasket. Use hylomar in the spray. Use just a small amount of the right stuff around the water jackets. lightly coat the intake areas with hylomar. Install gasket. By this time the right stuff on the block ends should be ready. install the intake and just snug the bolts.1987 Turbo Buick dips into the 9's.-Richard Clark's Garage built 3.8L -Champion Aluminum heads-Extreme Automatics 200-4R -Precision 64/66 turbo-Stock compute...Buick Grand National Turbo 6 Turbo6 SVG. Buggaboobows Jan 31, 2024 Recommends this item Item quality 5; Shipping 5; Customer service 5; 5 out of 5 stars. Listing review by Christi L Busch. was an easy cut and assemble Purchased item: Buick Grand National Turbo 6 Turbo6 SVG ...May 26, 2002. Oct 6, 2012. #3. Don't rule out Extender chips. They work great, and actually measure the airflow, so adapt to turning up the boost (requires a translator and newer style MAS) A FAST isn't needed. A chip is more novice friendly. As long as boost is the same, timing is the same, and the AFR is the same the whole way …So let’s hear what guys have accomplished with this turbo. Et , mph , 60 ft, exhaust housing ar size, dyno numbers even butt dyno any info you guys have. Let’s have a go at your experience with this turbo and what did you upgrade from and how it compares. So far I think the fastest time on the board is a 9.70 with the 6466.Are you a fan of Fox Nation? Do you want to stay updated on the latest news, documentaries, and exclusive content? If so, creating an account and logging in to Fox Nation is the wa...Prep the intalke gasket. Use hylomar in the spray. Use just a small amount of the right stuff around the water jackets. lightly coat the intake areas with hylomar. Install gasket. By this time the right stuff on the block ends should be ready. install the intake and just snug the bolts.Acadia National Park is the perfect place for outdoor enthusiasts, adventurers, and those who love to take in the beauty of nature. We may be compensated when you click on product ...Jan 28, 2013 ... Comments586 ; Buick Grand National Street & Strip Upgrades - Part 1. Tom's Turbo Garage · 180K views ; Brand New, Never Sold, 1987 Buick GNX - Jay&n...May 26, 2002. Oct 6, 2012. #3. Don't rule out Extender chips. They work great, and actually measure the airflow, so adapt to turning up the boost (requires a translator and newer style MAS) A FAST isn't needed. A chip is more novice friendly. As long as boost is the same, timing is the same, and the AFR is the same the whole way …Although the WE4 package is a lot rarer (about 1,500 vs 20,000 plus GNs) today's value is still less than a GN. I had a '95 Ford Tarus SHO which was an awesome automobile. It had rarity, (production numbers were low about 5,500), performance (faster than a Mustang GT), function, style, and about a $30,000 sticker.Nov 9, 2013. Dec 30, 2016. #13. ttribejr said: My bet is on turbo failure. Leaking internally into your exhaust housing. will cause smoke at idle (when the turbo/exhaust is hot enough to burn the leaking oil). And is really evident after a run. If you make a boost run and then come to a stop or slow down.For 1982 Grand National and all 1978-83 Buick Carb/Turbo V6 cars. 6.1K 1.2M Apr 4, 2024 ... A forum community dedicated to Buick Regal and Grand National owners and ...1986-1987 Turbo Regal - UPGRADED TA-49 TURBO TA-49 TURBO. This is the most popular upgrade for a Turbo Regal. It is stock appearing, so all your factory parts will work, including your stock turbo shield. Each turbo comes with a slightly larger inlet bell that is machined internally for better air flow. The TA-49 flows approximately 800+ cfm ...Roadster Shop Debuts 1,500-HP 1987 Buick Grand National at the 2022 SEMA Show. We take a look at how the Roadster Shop added an extra turbo, two extra cylinders, and a whole lot of tech …28 cars for sale found, starting at $14,900. Average price for Used Buick Regal Grand National Turbo: $61,145. 7 deals found. Average savings of $6,843. Save up to $12,235 below estimated market price. Search for a used Buick Regal Grand National Turbo near me. See my listings.Fox Nation is a streaming service that provides exclusive content and access to some of the most popular shows on Fox News. With a subscription, you can get access to exclusive int...Learn how Buick created the Grand National and GNX, two iconic muscle cars with turbocharged V-6 engines, from 1982 to 1987. Hear from the engineers who developed the technology and the racers who drove them.A trip to Redwood National and State Parks is an unforgettable experience where you can explore the park's forests, prairies, and meadows. We may be compensated when you click on p...commute GNX (1987 to 1987) -. $167,807. 1. Buick Grand National. 1982 to 1987. 29 for sale. CMB $47,734. There are 29 Buick Grand National for sale right now - Follow the Market and get notified with new listings and sale prices.I’ll be honest: I’m not a fan of food “holidays.” But National Pizza Day? That’s one worth celebrating, because pizza is great. In fact, there are few foods I find more delicious t...Buick Turbo V6 Engine Build Overview - Buick Power Part 1. Chris Endres Writer May 01, 2002. Once upon a time, in a decade long ago, Buick built a kick-ass little turbocharged V6 engine and ...Grand National, Turbo-T and T-Type 1987 Buick Regal Grand National. In 1978, the first turbocharged Regal was introduced as the Regal Sport Coupe. Turbo versions were originally offered with either a two- or a four-barrel carburetor and 150 or 165 hp (112 or 123 kW), but the two-barrel option was removed for 1979.Explore Buick Grand National Performance Parts. Acquire the HPT F2 6264 Buick GN Ball Bearing Turbo Upgrade - 850HP for just $1905.95. SKU: F26264070BS. ... 1986, 1987, Buick Grand National, HPT F2 6264 Turbo Upgrade, 4 Year Warranty, HPT Turbochargers, Billet, Ball Bearing, 850HP. Qty. Quantity . Add to Cart . Customize and …if your not comfortable using Synthetic then use Dyno-oil in the factory recommended 5W-30. remember: the heavier oil you use, the slower it will flow. believe it or not in my N/A chevy 350 I went from a 13.01 to 12.89 just switching from 10W30 petro-based oil to the 0W-30 Mobil 1 synthetic.Buick stock turbo plus parts 86/87. turboal; Tuesday at 9:23 PM; Replies 1 Views 180. Tuesday at 9:25 PM. turboal. 15x10 15x4 steel 1986-87 wheels. 1NASTYGN; Tuesday at 3:45 PM; Replies 1 Views 195. Tuesday at 6:04 PM. broke. B. T. Rebuilt cam sensors with NEW caps. turbowannabe; Dec 14, 2023; 2. Replies 25 Views 2K.Matt’s affinity may have generational roots, but the Grand National, GNX, Turbo Trans Am, and Syclone were among the hardest-charging muscle machines of any era. The whistle of a turbo may have replaced the clatter of solid lifters, and there’s a Van Halen cassette rather than a Led Zeppelin 8-track in the stereo, but the spirit, adrenaline ...Dec 15, 2002. May 6, 2009. #8. Your intercooler and other inlet backpressure items will alter this answer. Ditch the intercooler while going mafless and the turbo will be able to hold way more psi. The stock intercooler has about 7psi of total backpressure on the turbo, here is my breakdown. Gain 2psi by going to Dutt neck.For those unfamiliar with the GM powerplant, you can think of the 3800 V6 as the replacement for the turbocharged (and legendary) 3.8L Grand National motor. Better in almost every way, the 3800 V6 offered improved head flow and a hydraulic roller cam, but ditched the intercooled turbo for an Eaton M90 supercharger.Dec 15, 2002. May 6, 2009. #8. Your intercooler and other inlet backpressure items will alter this answer. Ditch the intercooler while going mafless and the turbo will be able to hold way more psi. The stock intercooler has about 7psi of total backpressure on the turbo, here is my breakdown. Gain 2psi by going to Dutt neck.PTP Buick Turbo Blankets are engineered to specifically fit the Buick Grand National stock turbo. Login / Register; Menu. Home; About Us; Products. Universal Turbo Blankets. T3; T3/T4; Large T4; T6; T25/T28; Vehicle-Specific Turbo Blankets ... Buick Grand National Home; About Us; Products; Why Use A Turbo Blanket? Videos/Installation; …May 29, 2001. May 21, 2007. #14. I believe Lee Thompson on this board had one of the fastest hot air cars running in the low 11's. Now he switched to 86/87 setup along with a stage II and knocking down 135+ mph with easy launch. If you are looking for 650 hp, the best option is to convert it to 86/87 setup.Jun 4, 2021 · The Grand National of 1984 was already a serious contender as it debuted, with a quarter-mile time only a few tenths of a second off of the newly-introduced C4 Corvette. But in 1986 the turbo V6 ... 1987 Buick Grand National finished in Black paint with removable T-Tops. This 80's classic has a cle ... $74,900. Dealership.May 26, 2002. Oct 6, 2012. #3. Don't rule out Extender chips. They work great, and actually measure the airflow, so adapt to turning up the boost (requires a translator and newer style MAS) A FAST isn't needed. A chip is more novice friendly. As long as boost is the same, timing is the same, and the AFR is the same the whole way down the track ...Putting GNXSquared away for the night. Summer 2016Feb 26, 2007 · Tell me about it...weather is terrible! Your faster than me.lol. I have a street car. Track car doesn't matter. Just my opinion. Both setups CAN get you to 10.5 or slower...which I consider fast enough for a street car. A comparison test of three different turbochargers for the 3.8-liter Buick engine in a Turbo Street Modified car. The new Garrett GT turbo claims to spool faster and make more power than the older T-series … CXRacing T66 Turbo Charger For Buick Grand National GNX T-Type. This is an Upgrade Turbo, Fits Stock or Aftermarket 3-Bolt Header, and Bolts on to Stock Downpipe. (or Same Bolt Pattern Downpipe) A/R .70 Compressor, A/R .63 Turbine Housing. Big 4" Air Inlet, 2.5" Air Outlet. Big HP ~ 550 HP, Quick Spool. Feb 17, 2022 · For those unfamiliar with the GM powerplant, you can think of the 3800 V6 as the replacement for the turbocharged (and legendary) 3.8L Grand National motor. Better in almost every way, the 3800 V6 offered improved head flow and a hydraulic roller cam, but ditched the intercooled turbo for an Eaton M90 supercharger. In this video Abe and I go elbow deep into the Buick V6 that could, we replace a blown head gasket, tidy up some wiring and reassemble it. If you would like ...Dec 7, 2012. #9. Im with nick the 44/49's are all you need heck, reality is new tech is nice but in the big picture most are just spinning the power away from lack of traction even with stock turbo. Get the basics covered ...youll be surprised what the stock turbo.will do around 22 psi, decent timing and a 1.5 60'. F.1984-1987 Buick Regal Grand National Aluminum Performance Radiator. AT Cars. This radiator has the correct oil and trans fittings used on the 86-87 models, unlike other reproductions on the market. You will need to modify part of the radiator support in order for this radiator to fit. See picture above.May 18, 2015 · Buick added an air-to-air intercooler to the Grand National for 1986, upping the boost to 15psi with lower intake temperatures, and power jumped accordingly. The new intercooled Grand National ... We have been the leaders of in Turbo Buick V6 Performance Parts since 1987. Find everything you need for your Buick Grand National and T-Type here. Anything from a fresh rotating assembly, roller camshaft kit or new turbocharger can be found. Downpipes, waste gate actuators, intercoolers, exhaust systems, we have everything you need to complete ...T-types are generally lighter (Aluminum wheels, all have AL bumper supports while only '86 GN's got those, no spoiler-exc. wh1 cars), but a low optioned GN can weigh less than a high optioned T-type. UNGN. My OOOOOLD Timeslips Page. My OOOOOLD G-body Homepage. 1986-87 Illustrated Parts Book <= *NEW*.The 3.8L V6 engine in the GNX was conservatively rated for 276 horsepower at 4,400 RPM and 360 lb-ft of torque at 3,000 RPM and backed by a prepared Turbo-HydraMatic 2004R transmission. The GNX could …Oct 28, 2013 · Jamboolio records one of the most iconic American cars produced in the 1980s, a 1987 Buick Grand National packing 3.8 liter turbocharged V6 engine with the S... Jun 5, 2020 · Gary Gerstner's 1987 Buick Regal T-Type Turbo Specs: Turbo 3.8-liter Buick V-6. Kenne Bell ram air front spoiler. Upgraded air filter housing with K&N filter. 7th fuel injector added, boost ... The Buick Grand Nationals from 1984-1987 represent the best of the Buick Turbo car series. If you’re one of the many enthusiastic Buick Grand National collectors, you know it’s true! These cars have fantastic power and economy. Let Limit Engineering assist you with all your Grand National needs.The Buick Grand Nationals from 1984-1987 represent the best of the Buick Turbo car series. If you’re one of the many enthusiastic Buick Grand National collectors, you know it’s true! These cars have fantastic power and economy. Let Limit Engineering assist you with all your Grand National needs. Model.Precision PTE6466 Gen2 Billet Ball Bearing, Air Cooled Turbocharger - 900HP. HP Rating: 900. One of Precision's most highly-anticipated turbochargers, the 6466 is capable of producing unparalleled power in a relatively compact package. Featuring the latest and greatest in compressor and turbine wheel technology from Precision, the PT6466 GEN2 ...Jun 5, 2020 · Gary Gerstner's 1987 Buick Regal T-Type Turbo Specs: Turbo 3.8-liter Buick V-6. Kenne Bell ram air front spoiler. Upgraded air filter housing with K&N filter. 7th fuel injector added, boost ... Yes, a V8 Camaro could run the quarter-mile in 17.0 seconds and the Corvette could run it in 15.1 seconds. The Grand National clocked a 15.9. An intercooler was added in 1986, and horsepower went ...CXRacing Stock Replacement Turbo Charger For 1986 - 1987 Buick Grand National, T Type / Turbo T/ GNX V6 3.8L. Direct Fitment to Factory Turbo Setup, Fits Factory Turbo Header, Downpipe, Oil Feed and Drain. What's in the box? This Item is for the Turbo ONLY, All Other Parts Shown are NOT INCLUDED.The Turbo Regals (Grand National, T-Type, Turbo T, and GNX) all have Buick's 3.8 liter (231 cubic inch) 90deg. V-6 engine. It should be noted that Buick used turbochargers on this engine from 1978 through the 1987 model years. However, these earlier engines were not as efficient as the later models due to their lack of sequential fuel injection ...Turbo Buick Grand National Halloween Pumpkins! October 30, 2018 (0) Comments. Read more... Regal G Body Cars. More Trunk Sub Layout Setups. September 11, 2022. The Twinz Buick Grand National Mecum Auction Jan 2021. January 18, 2021. Buick Logo History & Images. Other Buick Logos & Symbols. March 07, 2012Dec 19, 2005 · USB communication cable. Software – TunerStudio Ultra included with custom screens. Startup tune. Features: 1984-1987 Buick Turbo Regals, Grand Nationals, & 1989 Pontiac Turbo Trans Am. Plugs directly into the stock ECM harness and location. Integrated 4-Bar MAP sensor, and full time barometric pressure sensor. Mar 8, 2012 · The first official Grand National bowed in 1982, but it was primarily an appearance package: Most were naturally aspirated, although it's possible that a small handful were built with the turbo V ... This is the car's second-fastest run: 8.74 at Summit Motorsports Park in Norwalk Ohio. Mark JacksonThe Buick Regal T-Type and Grand National turbocharged machines were among the rare cars identifiable as future collectibles back when they were still available new. By 1987, the turbocharged 231 CI V6 engine made over 245 horsepower, while a stock 305 CI V8 in an automatic-equipped Camaro wheezed out 190 horsepower. Results Per Page. There are 20 new and used 1985 to 1987 Buick Grand Nationals listed for sale near you on ClassicCars.com with prices starting as low as $32,995. Find your dream car today. The turbo-T was a lightweight and fast version of the Grand National, a popular Buick Regal model in the 1980s. Learn about its history, performance and rarity from a fan who bought one in 2011.Buick Turbo V6 Engine Build Overview - Buick Power Part 1. Chris Endres Writer May 01, 2002. Once upon a time, in a decade long ago, Buick built a kick-ass little turbocharged V6 engine and ...The Grand National is one of the most prestigious horse races in the world. Every year, millions of people from around the world tune in to watch the race and see who will be crown...Buick Grand National Turbo 6 Turbo6 SVG. Tammy Feb 29, 2024 Recommends this item Item quality 5; Shipping 5; Customer service 5; 5 out of 5 stars. Listing review by ...HP57 turbine wheel measures 64.8mm inducer and 56.5mm exducer. It is a more efficient design than the older T-31 turbine wheel and spool up is faster. . The TE-44 was rated to support 565 flywheel hp when maxed out and the Billet 5857 is rated to support 605 flywheel hp when maxed out. WORK 1986-87 Buick Grand National G4S 6262 Turbocharger Upgrade. $2,475.00. Choose Options. This 1986 Buick Grand National is an ideal all-around classic. It is a highly sought-after turbocharged midnight machine. And this example has had added investments in keeping it looking slick, having it handle sharper, and making it even quicker. So it enhances what we love while keeping the vintage style that keeps it so memorable.The team chose to replace it with a more modern and lighter motor. They opted for a 4.3 L LV3 V6 (Gen 5 Ecotec3) from a 2016 Chevy Silverado. The Ecotec V6 was converted from direct injection to port injection. They also shortened a Moroso LT1 V8 oil pan and Holley LT1 V8 Hi-Ram intake to work with the V6. Eventually the EFR-9180 …GNX Turbo info The GNX Turbo is improved from the stock turbo by 3 very important differences. The lightweight ceramic turbine and low friction bearings which reduce turbo lag. A larger exhaust housing which greatly improves top end performance. So with these 3 changes the GNX turbo mimics the gains of a larger turbo with a mild stall converter.Staff member. Joined. May 26, 2001. Sep 22, 2019. #20. sold most my hotair stuff to a fellow member. its not all that hard, build solid bottom end the more CI the better, good flowing heads and match the rest. you need to work the intake. this was all done on a 6768 turbo 120 injectors and e85. 1.At least once a week I get asked what spark plug should I be using. First of all there is no magic spark plug. So I started researching this because it started making me second guess my self. After three days on the web reading and comparing and crossrefencing I made a chart of the plugs only...There are 27 1985 Buick Grand National for sale right now - Follow the Market and get notified with new listings and sale prices. ... (turbo, supercharger, headers), transmission swaps, bumpers, or body wraps. Modified vehicles can generally be returned to original factory specifications. Transmission: Automatic ...6. Loosen the top radiator hose clamp, remove the hose from the radiator, and then pull it out of the way. 7. Loosen the top hose for the oil cooler from the backside of the radiator and prop it out of the way. 8. Loosen and set aside the two lines for the transmission oil cooler.To dial in the performance of the Buick Grand National, he decided on a 3.6-liter twin-turbo V-6 from a Cadillac ATS-V. Installing it was not an easy gig for …
Standard Turbo Rebuild (includes VSR balancing): Our turbocharger rebuilds adhere to high standards and utilize OEM replacement parts to ensure superior quality. We also perform VSR (Vibration Sorting Rig) balancing during the rebuild process, which enhances performance and longevity. Beware of others who use parts from unknown sources and .... Gwilli_kers
Turn the screw a small increment, turn the engine off, and restart. This insures that the IAC resets and confirms the adjusted number. Continue until the desired number is achieved. Often, on stock set ups, about 1-1 1/2 threads of the adjustment screw will emerge thru on the lever side of the throttle body.Use some long locking pliers and grab the PCV and work it out. If the grommet comes out too, not to worry, a new one is reasonably easy to put in. When the old one is out, make sure and put a thin coat of vaseline or white grease on the PCV before attempting to install. The PCV is a GM part, right. If not, take it back and get a GM.Oct 9, 2020 · 1987 BUICK GRAND NATIONAL: https://www.bulletmotorsports.com/vehicles/535/1987-buick-grand-nationalReally nice driver quality Buick Grand National, recent se... Grand National, Turbo-T and T-Type 1987 Buick Regal Grand National. In 1978, the first turbocharged Regal was introduced as the Regal Sport Coupe. Turbo versions were originally offered with either a two- or a four-barrel carburetor and 150 or 165 hp (112 or 123 kW), but the two-barrel option was removed for 1979.To get into the low 12s (much less high 11s) on a stock turbo takes a very good launch and a good tune. With a bigger turbo such as a TA49 or TE44 its much easier to run low 12s or high 11s. With more boost and tune I think I could get the TE44 into the 11.3-11.4 range. I also have a GT6152 turbo which I have ran 11.4 on.Jan 12, 2007 · Joined. Dec 19, 2005. Mar 14, 2013. #13. The most important thing about the return line is that it has a steady downward angle toward the front of the engine. The factory line is barely adequate but does have enough downward angle to allow proper drain back. The 1984 Buick Grand National served two purposes: first it showcased Buick’s new turbo charged 3.8 liter V6 engine and second it brought performance minded and youthful …For those unfamiliar with the GM powerplant, you can think of the 3800 V6 as the replacement for the turbocharged (and legendary) 3.8L Grand National motor. Better in almost every way, the 3800 V6 offered improved head flow and a hydraulic roller cam, but ditched the intercooled turbo for an Eaton M90 supercharger.Grand National, Turbo-T and T-Type 1987 Buick Regal Grand National. In 1978, the first turbocharged Regal was introduced as the Regal Sport Coupe. Turbo versions were originally offered with either a two- or a four-barrel carburetor and 150 or 165 hp (112 or 123 kW), but the two-barrel option was removed for 1979.The stock turbo would still be called a 49mm? But the TE44 or TA49 is just a superior turbo which as the potential of producing more hp? The TE44 and TA49 are both larger than the stock turbo (as you can see by the pics I posted above of them side by side). The numbers in the names don't necessarily have anything to do with size.A turbo actuator, or wastegate, uses a pressure actuator, which is controlled by boost pressure as to whether it’s open or closed, to control boost pressure and power output. Diver...Feb 17, 2022 · For those unfamiliar with the GM powerplant, you can think of the 3800 V6 as the replacement for the turbocharged (and legendary) 3.8L Grand National motor. Better in almost every way, the 3800 V6 offered improved head flow and a hydraulic roller cam, but ditched the intercooled turbo for an Eaton M90 supercharger. There are 22 new and used 1984 to 1987 Buick Grand Nationals listed for sale near you on ClassicCars.com with prices starting as low as $32,995. Find your dream car today. 1984 to 1987 Buick Grand National for Sale on ClassicCars.comFeb 15, 2015. Jul 7, 2017. #1. I just installed 60lb injectors with a turbo tweak chip on my 87 GN. I have the stock turbo with a 3" downpipe and exhaust. The car seems real slow out of the hole so I took out about 5% fuel in 1st and 2nd gear and added 1 degree of timing. This seemed to help a little.After a one-year hiatus, the Regal Grand National--initially released mid-year in 1982, only 215 GNs were produced in two-tone gray with a 4.1-liter non-turbo V-6--was an added feature to the T-Type models for a nominal fee in 1984. Available only in black with blacked-out trim, it quickly climbed to the peak of the popularity mountain.WORK 1984-85 Buick Grand National 5857 Hot Air Turbo Upgrade. WORK Turbochargers is proud to offer a MODERN turbocharger upgrade for your 1984-85 Buick Grand National/T-Type! The TA-5857 will be your go to turbo for a stock appearing upgrade that will support up to 550+ flywheel HP. WORK takes this turbo one step...Grand National, Turbo-T and T-Type 1987 Buick Regal Grand National. In 1978, the first turbocharged Regal was introduced as the Regal Sport Coupe. Turbo versions were originally offered with either a two- or a four-barrel carburetor and 150 or 165 hp (112 or 123 kW), but the two-barrel option was removed for 1979. ...with a new actuator and restored exhaust elbow. 1986-1987 Turbo Regal – UPGRADED TA-49 TURBO TA-49 TURBO.This is the most popular upgrade for a Turbo Regal. It is stock appearing, so all your factory parts will work, including your stock turbo shield. The TA-49 flows approximately 800+ cfm, which is enough air to support up to 545 hp.In addition to the "T" and "Turbo T" models, the 1987 lineup included the high-performance Grand National package that had been available in previous years. 1987 was also the first and only year for the legendary GNX. With a wide range of choices from luxury to all-out performance, it was a very good year to shop for a new Buick..