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Ok so I have had an issue with the way the car runs and idles for almost a year but little to no time to really get into it. I have changed the coil pack, plugs, wires and MAF. Checked for vac leaks in every imaginable way thinking this was the issue to no avail. Engine was rebuilt by KDK and...

Closed Loop all warm AF 7 L8 38-45 INT 128 BL 129 133 at 3k rpm CLT 190 ATS 119 TPS .44 IAC 47-58 :confused: 71 at 3k rpm 007 mili does hit 540 at times but once it stumbles it goes down to 007 and stays there. Read a ton of threads regarding stumbling idles and missing...

Idle 19-46 O2 Milivolts Use to run 700-810 Full throttle now it is around 100-400 everytime with no knock unless spinning tires etc. Car seems to run fine atm. It sputtered at 1/8 throttle for a day or 2 consistently but never threw error codes and all other readings check out. Under full...

Not going to write a lavish story building to the results:biggrin: 03-04 Cobra First was from a 30-40 mph roll from what I remember, brake boosted and I basically got the hit. He pulled slowly after a bit and it ended when I let off looking at his rear bumper which was about even with my...

Here is what is done. Engine Rebuilt - Stock Rods/Pistons/Crank Girdle Champion Iron Heads/Ported Intake Roller Cam 206/206 Progressive Alky THDP 50lb Injectors 3200 stall Usual other bolt-ons Currently it has a Stock Intercooler and most likely going with a PTE Stock Location...

Do you need to do billet caps if you have a girdle? If you do both is it like double protection or just plain overkill? Thanks

Oil pressure sending unit on the block. Preferably with the T installed for a aftermarket gauge. I have read most of the instructions but would like a visual. http://www.gnttype.org/techarea/bodygauges/oilgauge.html This one is a good picture but of using a different area...

STAINLESS STEEL CAT BACK EXHAUST SYSTEM W/MUFFLERS 595.00 on the site How loud are those cherry bomb looking mufflers. Obviously they are straight thru and at 2 3/4 size pipe I am sure the tone is drone'ish. Anyone have any experience with this and are there better options currently on the...

Well first off my name is Ron and I have been out of buicks for about 10 years. I owned a 85 GN for about 4 years before certain circumstances made me sell it. :mad: Anyway my car was owned by a gentlemen named Brett in Bradenton which I am sure some of you know. He does post on the tp6...

Mods in Sig. What lb injectors should I be running. Probably going with 50's. Current injectors are older and need replaced.

Well after fixing a leaky O-ring near the oil filter I start it up and hear the knock(first time under it while running). No mistaking it and unfortunatly I do not have the room until I move to work on it but would like to drive the car. Obviously not wanting to cause more damage I am toying...

As the title says rate away. How much do you think costs will run for fixing these areas. I am no body man by any means so kinda out of my element there. http://putfile.com/pic.php?pic=12/35317391761.jpg&s=x11 http://putfile.com/pic.php?pic=12/35317381037.jpg&s=x11...

Upgrades include - 7 stage "Ultrachip"; 145 mph speedometer, 30 lb. boost gauge, chromic breather bypass kit, chrome oil fill tube breather, 42 1/2 pound fuel injectors, adjustable pressure regulator, high performance fuel pump, adjustable watergate actuator, "Duttweiller" modified intercooler...

Will adding T-tops to a hardtop 87 GN now reduce the price if it wasn't optioned from the factory for it? I know there is some with factory installed that where not produced that way. I have been searching high and low for the perfect car but there is always something not right in what I am...

87 GN with T-Tops Rebuilt motor Moly rings Comp 206 cam Comp valve springs Fresh 3-angle valve job Port and bowl work done to the heads Comp double roller timing chain Melling high volume oil pump Melling cam button TE-34 Turbo (T3/T4 57 trim 545hp capable) 38 lb injectors...

Looking for a excellent engine shop that has experience with GN motors in the area(Tampa). Looking to keep the current block but add aftermarket heads/turbo/alch injection headers/inj etc. Also curious of cost associated with this work and a good tune added. Not looking to race just have...

http://cgi.ebay.com/ebaymotors/Buick-Grand-National-3-8-Turbo-ONE-OF-A-KIND-Corner-Carver_W0QQcmdZViewItemQQcategoryZ6137QQitemZ4592321491QQrdZ1 Curious what everyone thinks about this particular car. I am not big into stock GN's since I enjoy tuning a bit still. Thought somone may know...

VIN: 1g4gj1175hp465210 Thanks in advance if you can provide the information.