Thread: 3.1 mpfi to dohc 3.4 swap

Okay... Got the fuel leak fixed... Got the downpipe on... Had it running for a minute... And it shut off... Anti theft kicked in killed the motor and now wont crank.... Need to find a way to bypass the security so that I can drive it.

Okay been awhile since I posted on this.... As an update. I have the dash switched out for a 1995 grand prix gtp dash that had the dohc 3.4 in it. She runs good and strong. I have axles and hubs... Waiting on taxes cuz their being slow to get the brakes and the turbo kit. Can't find anyone that sells turbo manifolds for the 3.4 so turboing it will be harder than i thought... Got in touch with a company called Livernois Motorsports and they are going to build a custom manifold and exhaust for me for around $1300, just have to get the car there. I am also having them dyno tune it to get the best out of it they can. They said when all is said and done, with the turbo thats going on it I should expect around 650+, which I'm extatic about. In total this project will clost me around $5,500 which isn't too bad considering the amount of work being done to it.

Wow what an amazing build, I have only ever heard bad about the 3.4 dohc but clearly if you have money and knowledge there is a lot of potential. I live in the metro Detroit area as well and would love to hear more about your build!

little progress update on the build, yes I know it's been a long time but it's been a real pita and pricy, but I have at least managed to get it driving under it's own power. few design changes and overall plan changes later and I'm running at roughly 40psi on forged internals, sleeved and girdled the block. custom cut cams from a local speed shop. on a test run we got it up to 60 psi at 11k rpms safely though i don't plan on running it that hard (at least not yet). as of right now only thing keeping it from being street legal is it only runs while wired to the pc not into the dash (the one last electrical gremlin to figure out of many I've had) so I have no lights.