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  1. Cape Cod GN

    Question on T-roof body seals

    Hi I’m trying to find t-roof body/ window seals for the upper door sills.(Roofrail seal) I have replaced the t-roof seal that the windows roll up to. I’m looking for the two on either side. I’m only seeing the hard top seals. Anyone know of a link or part number and the best deals available...
  2. Cape Cod GN

    Dakota Digital VSS Tach issue

    Hi all I wired in a Dakota Digital Dash for the GN. All works great but having an issue with the Tach. When I do a cold start the Tach bounces and will also just cut out completely. Then start again intermittently and keep bouncing then cut out. Then when the car warms up the Tach works fine. I...
  3. Cape Cod GN

    Error codes 15, 21 and 23

    Hello all, driving around today and my CEL came on. My scan master G read off codes 15, 21 and 23. The car started missing and running rough as well as the rpm went up to 1500rpm at idle. Additionally the scan master G had a reading of negative 30 degrees coolant and negative 70 for air temp. My...
  4. Cape Cod GN

    Knock gauge question

    Good day everyone. I just installed a Casper’s Knock Gauge. I get the green center light and that’s it. No other lights light up when I’m driving or in WOT. Is this normal? Should it at least be giving me a reading during WOT or only if there is knock data going to the ECM? I followed the...
  5. Cape Cod GN

    Bad Gas causing ping?

    Hi all I’m just looking to see if bad fuel can cause a pinging at WOT? I have Meth injection (working I primed before the test). 43psi fuel and pushing 20 lbs of boost outside temp was about 52 degrees. I fueled up a couple weeks ago at a side rd gas station. So I’m thinking it might be the...
  6. Cape Cod GN

    87 GN intermittently “skipping””

    Hey all, my 87 GN bucks and feels like it’s skipping for a few seconds then runs fine. At WOT it will almost feels like a misfire and sometimes cruising it will skip and “buck” lightly. Here are my scantool readings at idle and warmed up: MAF: 4 LV8: 27 Volts:13.0 BLM: 142 Speed: 0 Coolant...
  7. Cape Cod GN

    Start and idle issue

    Hey all, I just went out to start the GN and it cranks, starts and then stalls. It won't idle on its own. I need to hold my foot on gas lightly for it to stay started. Could this be a tps issue? Thx.
  8. Cape Cod GN

    Dyno and tune in the New England Area

    I have a 87 GN looking for a dyno and tune in the New England Area. Anyone here have any contacts? Thanks!
  9. Cape Cod GN

    T-roof headliner

    Just looking to see if the t- roof headliner is a lot easier to replace then a full. I did one a few years ago on my 88 Lesabre t- type and it was a pain. I was hoping since it it a t roof all I have to do is remove the screws out of the ceiling trim.
  10. Cape Cod GN

    Car running rich

    Hi all. I'm new to the forums. I just put in 42lb injectors and was told I shouldn't have to modify my chip. I currently have a TT 5.7 that was set up for mostly stock set up. The fuel pressure gauge is new and at 42lbs fuel pressure the car runs really rich and even bogs when I rev the engine...
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