Alright guys, stock 1987 turbo coupe, cone filter and straight - TopicsExpress



          

Alright guys, stock 1987 turbo coupe, cone filter and straight pipe, IHI turbo currently One cylinder has 95 while the rest have 115-120 compression (I know), at 16psi no stutters all day pulling, but as Im pulling in a higher gear (3rd to 5th) itll spike to 18psi back and forth a few times and stutter, motor will sound louder and it just falls on its face. I have a few ideas to what it might be (lean, rich, knock) but Im just curious as to why I cant run 18lbs normally? Others run 18 with no problems all stock...I live in Canada so temps arent hot at all this time of year. Thanks in advance for any help. And it gets worse as the motor warms up, and mostly around 3-4500rpm it occurs.
Posted on: Wed, 17 Dec 2014 08:35:40 +0000

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