well after taking the car apart for the 2nd time bc the damn opti got splined wrong and then my crank bolt threads got jacked up i finally got the car back together with the help of a few buddies. however, on the first test drive (cold) the car studdered under a load (more than 1/2 throttle) then when it got warm the car runs smooth but has low low low power levels. the opti was installed right im 100% sure and the firing order is right. im getting everything i need fuel, spark ect. the plugs are brand new and looked good when i pulled one after the test drives. anyone have any ideas? thanks

 

What else did you do beside the Opti? How did the crank bolt threads get screwed up? You must have been doing something besides the Opti.

 

nope, just doing the opti and a buddy messed the crank threads up when we were puttin it on tdc. i fixed that with a helicoil though so no biggie. any input guys. im testing my fuel pressure tomorrow

 

dude,,,going thru the same thing...sounds like. im pretty much at the point you are...im going after my o2 sensors next...and if that dont do it...then my Ignition module and / or coil. check out my other threads if you havent alrady....seems a bunch of people are having trouble after or with their optis//// if you find a solution please post it!
good luck

 

i founf my problem even though all my wires looked good i pulled them all off to examine and found that 4 hard burnt a lil (only 3k old lol) put new msd wires on and it runs like a champ again. are u throwing any codes?