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Title: 3400 sfi where next? Post by: blue41 on October 23, 2016, 04:41:01 pm so I'm looking for some input on where to go next on this project. But I do have (as my bother calls it) T-rex syndrome (arms are to short to reach the pockets). well I bet a lot of you guys know what I mean when it comes to a budget. so I will be doing a lot of this myself. but for now lets get into what I have done so far.
so here is the donor 2004 grand am 3400 sfi. (https://drive.google.com/uc?id=0B4oZCP3z7D7iSzByMnEtWGtlUjA) pulled the engine with pcm and wiring harness. rinse wash and repeat and yellow starts to come out very nicely (https://drive.google.com/uc?id=0B4oZCP3z7D7iZVpsSmNzTDNSbUU) yes that is 3500 manifolds that have been gasket matched at the primaries and open from 1 3/4" to 2 1/8" at the flange. the flange is pocketed like a globe fish bowl. just remove the lip inside to open it. with a long bit clean the channels. (https://drive.google.com/uc?id=0B4oZCP3z7D7iRUJhSGluS0FSQ1U) I also did 2 1/8" to the y and 2 1/2" the rest of the way. (https://drive.google.com/uc?id=0B4oZCP3z7D7idDlwOWJKMVBGYzA) not quite in place yet but you get the idea. (https://drive.google.com/uc?id=0B4oZCP3z7D7iQzBuM1o2MWUyZG8) to 2 1/2" spintech muffler I also gasket matched the intake and cleaned up casting inside as far as my bits would let me. new plain ngk, 3800 scII coils(heard that they give a little more spark. might be just rumours lol), cone 3" filter (most likely not doing a thing till I put a bigger throttlebody & intake), sinister performance tune. SO......... I'm looking to see what the next move. thinking 3500 heads and intake, maybe a cam(more interested in low and mid rpm range then noise and high rpm.), then the t-rex syndrome cuts in and I'm short pistons and mains and rods etc. of a rebuild lol. more looking to take advantage of what I've done so far. I would like to keep it n/a but something inside cry turbo :D lmao. no I've to keep it reasonable. maybe when I find someone else's deep pockets lol. but with all seriousness I'd like to hear what you have to say. hope to here from you soon and I will get around to putting the whole build up from the time she rolled off the flat bed march of 2014... (yeay I got the picture to work and resized) Title: Re: 3400 sfi where next? Post by: Dan on October 23, 2016, 06:45:53 pm I see you like the 3400 and you already hove one but for more performance the VVT engines like the 3500 and the 3900 work real nice in the Fiero
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