











370 turbo build
I am still f***ed up over this, lol Don't know which way to go. Big or small? I don't really think I can go wrong with the 228/232 cam. Maybe I might jsut have to call up a sponsor, etc. I personally don't believe in reverse splits if thats what they are going to say. Again I'd take a straight split though.
The poll keeps changing, come on guys........... what do ya think?
edit - I'm only curious b/c I am jsut having second thoughts b/c my builder has other pistons that would up my CR to a hair over 9.3. I think that this MIGHT be better for me b/c I don't plan on running a **** load of boost and going to the track to really test it out that much. If I'm on the street 99% of the time, wouldn't I be better off with a little higher CR and less boost. Better efficiency, more power on less boost and better off boost power as well. Even better milleage too, lol What do ya think, I'll be a 370 too with pump and meth?
Last edited by Websy21; Jan 27, 2008 at 10:10 PM.
I am also planning on running it at a conservative 10psi. My car sees lots of street "duty"
so I can't use 900rwhp. I am also planning on running it at a conservative 10psi. My car sees lots of street "duty"
so I can't use 900rwhp.edit - So with your old setup you never had meth than? What did you boost it to at the norm? I know meth helps allot and think I'd be better off half a point higher CR. What ya think? I know it will make tons either way, but why not make it a better overall build right.
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I like your thinking, say since we'll be close in comparison and being you have allot more experience than me. How much boost you think I can run on pump and meth without a worry with 9.3? 10-12 is what I am thining? 10 should be a joke for it not? Like you said, faster spool, more power and there is only so much you can actually use on the street anyhow.
I like your thinking, say since we'll be close in comparison and being you have allot more experience than me. How much boost you think I can run on pump and meth without a worry with 9.3? 10-12 is what I am thining? 10 should be a joke for it not? Like you said, faster spool, more power and there is only so much you can actually use on the street anyhow.
Ya I agree, 9.3CR and 12psi with meth no prob. Many run 8-10 on stock 10:1 CR but I think 10 is pushing it. I'm really torn b/w this b/c both would be beneficial in both ways. With pump gas and even meth I won't be able to achieve the most out of the setup. If I go with the 8.7 I should be able to make hell of allot more power and I don't plan on ever using race gas b/c I don't go to the track much at all.
I wish I was as fortunate as you and could go for a rip in both cars and decide on what 'I' want as its personal preference. Even so though, theres a difference if the whole combination of things are setup right. Even 8.7 CR with the right, cam, converter, gears, tuning etc should be a blast to drive. I know that 9.3 would be even better though, lol I guess if I look at it that way, with the 9.3 and say for example 12psi or so(max with pump/meth) it should make a solid 650-700rwhp which would take about 15psi or a lil better on the lower CR. Both are more than enough for the street regardless, take your pick on whats better for you? The 8.7 would also have the added feature of a safer combo(detonation) as well wether or not it would be chosen to run higher boost in the future.
Ya I agree, 9.3CR and 12psi with meth no prob. Many run 8-10 on stock 10:1 CR but I think 10 is pushing it. I'm really torn b/w this b/c both would be beneficial in both ways. With pump gas and even meth I won't be able to achieve the most out of the setup. If I go with the 8.7 I should be able to make hell of allot more power and I don't plan on ever using race gas b/c I don't go to the track much at all.
I wish I was as fortunate as you and could go for a rip in both cars and decide on what 'I' want as its personal preference. Even so though, theres a difference if the whole combination of things are setup right. Even 8.7 CR with the right, cam, converter, gears, tuning etc should be a blast to drive. I know that 9.3 would be even better though, lol I guess if I look at it that way, with the 9.3 and say for example 12psi or so(max with pump/meth) it should make a solid 650-700rwhp which would take about 15psi or a lil better on the lower CR. Both are more than enough for the street regardless, take your pick on whats better for you? The 8.7 would also have the added feature of a safer combo(detonation) as well wether or not it would be chosen to run higher boost in the future.
I am also leaning towards the 228/232 cam as well, if not the 224/228 maybe. Any other opinions?
Last edited by Websy21; Jan 29, 2008 at 01:59 PM. Reason: cr edit
To help with the power down low, I am leaning towards the smallest cam which will also help to spool the turbo up even though it shouldn't be no hell to start with
I would still run the 228/232 or the 232/240 for your car and let her rip. Your 80mm is on a T4 flange w/ smallish a/r correct? I know you posted in the first page but I'm the epitomy of lazy
I would still run the 228/232 or the 232/240 for your car and let her rip. Your 80mm is on a T4 flange w/ smallish a/r correct? I know you posted in the first page but I'm the epitomy of lazy

Trust me I really want to tell my builder to throw in the 228/232 believe me. (Its the biggest I'll go for sure) Not only for power etc, but for some lope at idle. I love the sound of overlap in a late model sports car, little alone any vehicle.
Good choice on CR, the more shops I talked to the more reccommended b/w 8.5-8.8 CR. So I think thats the best. Max power by far with pump gas, add a meth kit and go even farther. Just don't rely on it. Like I said I prolly won't use it unless I really let the boost rip.
