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  1. NoVA_87_GN

    Scanmaster data

    Was hoping to get some help and see if my data is good. I’ve done quite a bit to the car, new exhaust headers, new cross over pipe, new 3” down pipe, new gn1 3” exhaust and test pipe setup, new stretched slic, new radiator and dual fan setup, new umi suspension kit and steering components. 42lbs...
  2. NoVA_87_GN

    Smoke Test

    Wondering where can i inject smoke on the intake side of the engine to see if i have any leaks anywhere. I pumped smoke into one tailpipe (plugged the other) and saw i was leaking at my band clamps. I assumed this verified all way through the downpipe and exhaust headers, that sound about...
  3. NoVA_87_GN

    Exhaust System Leaks

    Wondering if anyone had any tips to seal up exhaust leaks? I put in the GN1 3" exhaust system and it looks awesome but when i ran a smoke test on it (plugged one tailpipe, pumped smoke into the other, every band clamp i had was leaking, especially the band clamp between the test pipe and...
  4. NoVA_87_GN

    Bleeding Front Brakes

    Hoping to get some clarity. I've read through a bunch of posts, but I seem to be having an issues bleeding my front brakes. I have powermaster setup with the acc ball, I pumped the brakes 10 times to get all the brake fluid out of the ball. I bled the rear (had to replace rear cylinder assembly...
  5. NoVA_87_GN

    Anything I should replace

    I’m working my way through the car. As you can see by the pic, got a bunch of parts out while I’m cleaning stuff up. While I got access, is there anything that I should consider replacing?
  6. NoVA_87_GN

    Catback/Catalytic converter mounting tab

    Swapped out exhaust systems, went to a gn1 performance system, from what looked to be an ATR system. i noticed on the gn1 system it didnt have the mounting tab between the catalytic converter and the start of catback system. I don't like the idea of letting the system hang with no support in the...
  7. NoVA_87_GN

    Oil leaks

    Been digging into my car lately, going down that rabbit hole. Started by wanted to replace exhaust headers, in doing so I’m noticing a large amount of oil on each side of the engine, thinking valve covers. Also there is a lot around the turbo, not sure if it’s the turbo itself or the front china...
  8. NoVA_87_GN

    Leak from Rear End

    I started working swapping out the suspension parts in the rear and noticed the rear end was leaking. I knew it was leaking before, but I assumed it was from the rear diff cover. It looks like it leaking from where the driveshaft meets the rear diff. Is this normal/simple fix? If so, any tips...
  9. NoVA_87_GN

    Scanmaster G readings

    So I finally got a Scanmaster G in my T-Top. Here are the readings, hopefully you all can tell me what exactly I need to be looking for. Some info about the car, new fuel pump, hotwire kit, 60 lbs injectors, TT chip, new injector harness and injector hotwire kit, new plugs, accufab afr, I...
  10. NoVA_87_GN

    No Fuel Pressure

    Hoping to get some help here. Went out to start car this morning, noticed when I turned my key to start position the external fuel pump didn't kick on, turned the car over, no start. been. Here's my setup, holley external fuel pump and hotwire kit. Here's what I've done so far: -Checked...
  11. NoVA_87_GN

    Slightly Crooked Steering Wheel

    Picked up my GN a few months back, been working on other stuff like fuel pump, hot wire kit, injectors, TT chip. Got that all done, moving on to suspension and I've been meaning to ask about my steering wheel. It seem to be crooked, when sitting in the driver's seat, the steering when doesn't...
  12. NoVA_87_GN

    Fuel pump running

    Had a weird issue today. I go outside to put the cover on my car and I hear a whining sound coming from the rear of the car. Turns out the fuel pump is running and I’m not sure for how long. I was out there earlier and didn’t hear it. The key wasn’t it the car, nothing seemed out of the ordinary...
  13. NoVA_87_GN

    Shop Recommendations

    Looking for shop recommendations in the Northern Virginia area. I know of Bill Anderson's shop over on the eastern shore Maryland, but that's a bit of hike for me. Just wanted to see if anyone has taken their GNs/Turbo-Ts to a shop a little closer and if they have done some good work in the...
  14. NoVA_87_GN

    Lights/ RT blinker issue

    I seem to be having an issue with my lights and gauge cluster/lights. When I turn the headlights on my right blinker indicator light comes on on the instrument cluster. The blinker is not actively blinking and the left blinker indicator light is not on. Any ideas on what might be causing this?
  15. NoVA_87_GN

    Carlisle Fall Swap Meet

    Just curious, the Fall Swap meet up in Carlisle, PA is staring today through the weekend. I've been a number of times before, but this is the first time going looking for Grand National stuff. Are there a good number of vendors selling Grand National items? I've gone in the past looking for...
  16. NoVA_87_GN

    Fuel gauge issue

    I have the dreaded fuel gauge issue. Been reading up on some of the other threads for tips to troubleshoot it but can’t seem to get anywhere. Issue is my fuel gauge reads empty all the time, even after I fill it up. I disconnected the sender at the rear bumper and the gauge pegged all the way...
  17. NoVA_87_GN

    All-GM Car Show 8/13 - Northern Virginia

    Kind of last minute, but anyone looking to get into a car show or just want to swing by and check out some GM cars, the Capital City Rockets is hosting an All-GM car show in Ashburn, Virginia this Saturday, 8/13/22, from 9am-2pm. Looks at pics for more info. I'll be there with my 87 GN, swing...
  18. NoVA_87_GN

    AC Not Working

    My AC doesn't appear to be working and taking a look in the engine bay, it appears that might be missing a hose (probably along with a few other things). I'm not overly familiar with AC systems so looking to get some help from the group. Any insight you can provide would be greatly appreciated.
  19. NoVA_87_GN

    Where do these go?

    Starting to play that fun game with my new 87 GN of looking over the engine bay and seeing what's going on. Found these two connectors not connected to anything. they look to be right above the AC compressor. Anyone know where they go? Appreciate the help, I'm sure they'll be more questions...
  20. NoVA_87_GN

    New to GN World

    Picked this 87 GN a few weeks ago in Jersey, brought it back to Northern Virginia with me. I've been more in the classic Olds/Buick community in the past, this is my first venture in the GN/TurboBuick world. Seems like she's had some upgrades done to her in the past (came with a nice stack of...
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