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I bought a new Precision turbo #6031 from GBody Parts 5 months ago. It has about 500 miles on it and it comes with a new HD wastegate actuator. It cost me almost $700. The wastegate hole has not been ported. No modifications or damage at all. Looks and is new. Big improvement over stock turbo...

I want to do the roller cam conversion from the TB thread using good junkyard GM lifters, dog bones and spider clamp to my '86 GN. One of you guys must have a set to part with at a reasonable price! I don't have the time to go hunting for them around here.

Hopefully you guys can help me figure out why I overboosted and give me recomendations. First here's my setup: '86 GN, 112k, virgin motor. New PTE 60 Turbo w/hd wg actuator, new Turbo Tweak 60# injectors and TT alky chip set for 22# boost. Home made single nozzle meth/alky kit. 3 1/2" maf and...

I'm installing a stageright tranny brake. The pictures show the overrun clutch valve that must be removed to add a check ball to. However, it doesn't show where the valve is located in the valve body. Does anyone have a picture of the valve body indicating which one is the overrun valve? If not...

I can't figure out why my '86 GN is running 20-21 pounds of boost on my stock GN. I've replaced the hoses to the wastegate, replaced and adjusted the wastegate, replaced the wastegate solenoid, and tried a different chip. The wastegate puck is good and free. I'm forced to run around with a...

I'm in the middle of changing my GN peg leg over to a posi unit. I can't find the torque specs for the ring gear bolts or the carrier bearing cap bolts. Backlash specs would also be nice to know. The original assembly was .004 and is now .0035 Thanks. Dave C.

I found a 3.5" maf on a 1996 GM 4.3 vortec pickup. Will it work on my GN if I buy a MAF Translator? I can't read all the part #, but I don't see any numbers that are close to what's listed in the Junkyard Dogs forum. It has a barcode sticker with a long 10 or so digit number, and a 10 digit...

I need a posi-trac differential for my 8 1/2" rear. Something about that just sounds wrong! :redface:

I need to get rid of my peg leg. I'm looking for a posi unit to fit my stock '86 GN. I don't want to buy a complete rear end assembly, just the posi unit. Dave C.

Looking for a Direct Scan with or without the setup floppy. My old laptop still has it loaded.

I'm looking for a couple of performance chips for a stock setup '86 GN. Street and race (116). Also need a 3 or 3 1/2" downpipe. Last thing I'm looking for is scan tool. I still have my old laptop with Direct Scan loaded. Too bad I sold the hardware. If you have any of these items, please...

Item # 160402771843. Is this turbo worth buying? It's a T66. I'd like to spend only about $500 on a turbo. I'm looking for a replacement turbo for my '86 GN. Right now, it's bone stock, but plan on upgrading the fuel pump, exhaust, downpipe, injectors, add alky inject, higher stall converter...

I just bought another '86 GN. The factory tach isn't working. The 1st bar is the only one lit. Any suggestions on fixing it, or should I just plan on replacing it? Thanks. Dave.

I have another project going. I need to know if my orange stripe converter from a brf 200r4 will work in a 700r4. Also, is the cable on the 700r4 a tv cable, controling all the shifts, or is it just for downshifts like the old th350's? Any help is appreciated. Dave C.

No time to enjoy, too many projects, need the space, and need the money. (2 kids in college!) Just thought I'd let you guys know about it to save some of the blood, sweat, tears, and expense of building one. It's on ebay. Item # 4610995307. :( Dave C.

I'm looking for an oil return line and fitting for the turbo of a '86-87 GN. Please include the condition and shipping cost to Vermont (05468). Thanks. Dave C.

On my wife's '86 GN, the oil/choke light comes on even with 40 psi of pressure. I've replaced the switch... Still on 80% of the time. I've also noticed the interior lights are flickering when the engine's running. I haven't had any time to check much. Anyone else run into this? I added several...

I'm looking for a few items to build a spare engine. I see a lot of FWD GMs with the 3.8 FI motors. Is the fuel rail and balancer the same as my 86/87 TRs? Dave C.

Has anyone heard of roller lifters sticking? My vacuum gauge fluctuates terribly below 1500 rpms. It has done this since the rebuild and installation of a Comp 212/212 roller cam. The work was done by a reputable shop known for Buick Turbo 6s. The engine seems to idle a little rough and rich...

I just removed my Stageright tranny brake. I'm trying to go back to stock. I'm not the one that installed it originally. I replaced the seperator plate with an un-modified one, re-installed the missing check ball, and replaced both of the valves. The car will not move now. No forward or reverse...