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Installed my new 4 inch pipe and now I got a miss under boost. No other changes. Do I need to reprogram my gen 2 ? Is jumping from 3 in to 4 in changing readings/ calibrations ? I run a 3.5" Lt1 Maf sensor controlled by the gen 2 . Curious if any one else ran into this. Turbotweak chip Stock...

Hi all.. I have the old SMC alcohol round bottle setup for the GN and still works fine but round plastic container developed a Crack and leaks. Anyone know where I can get a replacement or even a good used one. Or maybe a source for a bottle close to same size. Thanks for any help.

Just installed a ck 200r4 shift kit and now no gears will engage. Shifter goes thru all gears fine sitting still but no engagement. I can hear the manual lever on the paw moving . Trans was fine before I started . I removed trans pan and noticed pump pressure valve assembly was stuck..no spring...

just got my precision vigilanti multidisc 9 in lu torque conv rebuilt . I just had my trans rebuilt at same time . i installed it and it locked up for the first 4 or 5 drives but now nothing. i replaced tcc already and verified 12v and ground , i even ran a temp ground from 4pin connector to...

bought a new pm pump /motor assembly from oldbuickparts . i already had new pressure sw and acc laying around. i installed it and noticed motor would not shut off so i found out that u have to disconnect line under acc ball to gravity bleed so i did and found an o ringed valve was in there to...

just want to say thanks to dave husek at turbobuick performance for a great job. i called upon dave for my build 3 months ago and i drove the 5 hrs from maryland to his shop and personally watched the whole build and was very impressed at the knowledge . he went out of his way to make sure i...

87 gn , when coming to a stop trans will not downshift from 2nd to 1st at all . when i let off brake and go again its still in 2nd maybe even 3rd. also 4th gear is really delayed about 70mph. i had this very similar prob. 7yrs ago and it was tcc sol. and that fixed it . so i just put another new...

maybe i was a little vague before but i have an 87 gn and had two problems occur on the same day first was my tranny would not down shift on its own when i came to a stop . had to manaully go thru gears and overdrive seems really delayed about 70mph. i had these exact symptoms 7 yrs ago and it...

87 gn, all in the same day trans was not down shifting properly. had this problem before . put new tcc sol. still same prob. and on that test drive my power to brakes went out . fuse ok and there is power to pump and pressure switch . so is brake switch going bad causing these two diff...

i have 87 gn with all usual mods. car has run 11 .0,s@124 w/ very limited track duty - once a year if that . i want to race again but last time i noticed at the track i had to shift to 4th at the trap about 5500 rpm . the car runs great except that last few feet in 3rd top end . it needs a...