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  1. 8

    Grand National GNX offset wheels and tires for sale

    Set of G-body GNX style alloy wheels which I purchased 5 months ago. The wheels are in perfect condition. No curb rash, paint shimmers in the sunlight. I paid a total of $2100.00 for wheels and tires not including shipping or taxes. Here’s what you get for $1,700 dollars. 2x front 18x8 GN...
  2. 8

    rollbar dimensions

    Hello- Here's my cars current state. Upon having an accident where I jump the curve. I have a Precision stretched SLIC which requires to replace one of the top left coolant jet bolts with the one thats provided with the kit which is longer and secures the aluminum bracket as part of the...
  3. 8

    Anyone have a GN OEM wheel thats been widened to 8 inches?

    Hello members. As title reads, looking to buy a GN OEM rim widened to 15x8. Thanks,
  4. 8

    FS: UMI Reinforcement Brace

    Lightly used UMI reinforcement brace that I took off my 87 GN using a stock location innercooler. Upgrade to a Precision SLIC and the brace will not fit anymore. I purchased it roughly 6-8 months ago for $250.00 from UMI web-site. Willing to sell for $180.00 plus shipping. Ed
  5. 8

    F/S Hardly used Buick stock intercooler $350

    Buick stock intercooler for stock location intercooler installation. Intercooler comes with a very nice black finish. The wrap around shroud (shown in pics) is aluminum and very well make. This does have the Dutweiller style neck on the unit. The shroud on our intercooler can open up to 5-1/2"'s...
  6. 8

    GN1 Performance Valve Covers F/S

    These are still in the box as i decided to stay with the original stock ones. https://www.gn1performance.com/proddetail.asp?prod=BlkTAValveCoversEngravedBlackBreathers Paid $289...asking $259 plus shipping.......zip 33624
  7. 8

    F/S Bison MFS 5957

    As it states a lightly used MFS 5957 with roughly 900miles. Nothing is wrong with the Turbo other then I decided to upgrade to the 6262 dBB. Before posting on here I took the Turbo into BoostLabs where it was gone through and slightly ported for better fitment. I ran it with a Dave Husek 3021...
  8. 8

    2004R slight whine when "attempting" to shift from 2nd to 3rd

    Friends- I have a recently built 200R4 using some billet parts and rated at 450HP. However, last time I dyno'd the car it made 398HP at the wheel at 18LBS. As of 3 months ago I have since up'd the boost to 21lbs running on Alky single nozzle. I would guess I'm making 410-420HP to the wheel at...
  9. 8

    WTF is going on with my ish!!!!

    Gents- I just noticed my scan-master IAC numbers on norm temperature, idle is 65!!! when from what I read should be 15-20? . I checked my RPM's and they were at 950 or so....went ahead and pulled back the Idle Air Control Adjustment Screw as far as it can go and the rpms dropped to 850. I...
  10. 8

    Scanmaster coding number 15

    All- Recently my dummy light came on and I am showing a code 15 which after looking it up its related to my coolant temp sensor low which from what I understand tells the ECM how to adjust to the current temperature in the engine cooling system. My question is as follows. Would having a code...
  11. 8

    Unsure about stall converter

    Dear members- Preface- I've been restoring my 87 GN for 4 years and its my first time owning one so please take that into consideration before beating me up on my questions. I have spent well over 20k in restoration costs and I want to make sure i protect my investment as much a possible all...
  12. 8

    Noticable Oil consumption

    Friends- So I have a newly refreshed 109 bottom end....new rings, seals, bearings, etc...as well as top-end (GN1 heads, matching intake etc... The engine only has about 600 miles on it since refreshed. However I am noticing the following. 1. There are instances that once the engine oil has...
  13. 8

    Braking causes oil and water temp guages to peg themselves

    Hello- Ok so here's the issue I am having. I just recently completed a frame off and I am getting down to the final assembly of MISC items i.e lights at this point. 1. Replaced ALL the bulbs for the rear lights along with front head lights, signal and marker lights as part of the restoration...
  14. 8

    Noise is driving me f****** nuts!!!

    Has anyone come across this intermittent click/clack before at idle? I have changed the belt tensioner and alternator 3 times trying to get rid of it. Its so god **** annoying. PLEASE HELP!!! Youtube Link below:
  15. 8

    ECM-IGN Fuse Blowing under WOT

    Hello folks- Just recently (5 days ago) my GN left me stranded on the side of the road as i was make a few boost hits. I had it towed home and when I got there I immediately noticed my fuel pump was not turning on so I read a few posts on this site which lead me to find that my ECM-IGN 10AMP...
  16. 8

    Team Anderson Performance

    Hello Members- I wanted to give a brief summary of my experience in dealings with the guys at Anderson Performance. My story is 100% objective and at no point am I pointing fingers as my sole purpose is for the forum community to form their own conclusions plain and simple. Preface: I have...
  17. 8

    WTB 109 block

    Looking for std long block or .10 .20 Over.
  18. 8

    Need help diagnosing this knock coming from engine

    So engines top half has been recently refreshed and has a stock bottom end. Took it out on the highway and put it under some boost 15-18 PSI (NOT WOT) got off the highway and came to a light. I notices my oil pressure which was typically at 20-30 at idle was now between 2-8 psi. When I let of...
  19. 8

    Brake lights not coming on

    Hello- So I recently completed the restoration of my 87 GN and I noticed that my brake lights do not come on. However, the 3rd brake light does work fine. I am not sure how to trouble-shoot it. I assume they run of the same fuse so if it was a fuse issue then the 3rd brake light wouldnt be...
  20. 8

    Reasonable price for getting AC working

    Hello - I have an 87 GN and I have installed a new AC compressor so I assume the entire system will have to be prepped and charged. I am not very familiar with all the steps involved so can someone tell me what I would be looking at from a price perspective to have a shop do the work? Again, I...
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