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347ci or 408ci for f1 procharger

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Old 09-08-2008, 01:56 PM
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Default 347ci or 408ci for f1 procharger

which ci would you use and why? i dont know what motor would be better boost and daily driving!
Old 09-08-2008, 02:29 PM
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Oh boy, here we go again....

I'll say 408 and leave it at that.
Old 09-08-2008, 02:38 PM
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id say a 407 ci.
Old 09-08-2008, 03:10 PM
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No question.408
Old 09-08-2008, 07:04 PM
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408.5
Old 09-08-2008, 07:52 PM
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bigger is always better but a 346 is enough for just about everyone
Old 09-08-2008, 07:52 PM
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408ci.
Old 09-08-2008, 08:35 PM
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408 all the way for an F1! I have a 347 with an F1 and wish I had bigger... If you wanna buy my 347 I'll sell it to ya Then I'll buy me a 408 lol
Old 09-08-2008, 08:53 PM
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408 for sure, F1 on a 346 = a TON of cylinder pressure. There is an F1R FRC about to get tuned down here, custom 12 rib setup (procharger doesn't make a 12 rib for C5's), 408, blah blah blah, should do over 1k.

Originally Posted by ChevyChad
408 all the way for an F1! I have a 347 with an F1 and wish I had bigger... If you wanna buy my 347 I'll sell it to ya Then I'll buy me a 408 lol
When are you planning on getting numbers on the new setup, or do you have them already, I'm curious to see what it does!
Old 09-09-2008, 06:56 AM
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Originally Posted by 'Trust'
When are you planning on getting numbers on the new setup, or do you have them already, I'm curious to see what it does!
You and me both brother! Last time I was at the dyno for a tune my fuel pumps went out... Thats like the 3rd time with the new setup that something has gone wrong right when we get it strapped down on the rollers Everything works pretty good right now tho, its just trying to find the time to drive to OKC and do the tune on my tuners schedule and my busy 60+ hour work schedule and 10 hours of school
Old 09-09-2008, 12:23 PM
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Originally Posted by ChevyChad
You and me both brother! Last time I was at the dyno for a tune my fuel pumps went out... Thats like the 3rd time with the new setup that something has gone wrong right when we get it strapped down on the rollers Everything works pretty good right now tho, its just trying to find the time to drive to OKC and do the tune on my tuners schedule and my busy 60+ hour work schedule and 10 hours of school
Yea that blows, I'm not at work as much, but full time school sucks right now! I'm ready to see what it'll do! This weather is perfect right now, lol. I need to get some injectors in mine to see 700 when its hot and that's gonna be crap next to yours!
Old 09-09-2008, 09:53 PM
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whats the most pounds of boost you can push with a d1? im looking for around 700ish to 750! i also the cam i got now is a 228/232 585/575 on a 113lsa how would this cam work with boost? thanks guys




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