1st Gen Neon 1995 through 1999 Neons

how much boost

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Old Feb 22, 2009 | 12:35 PM
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how much boost can i run on a stock sohc bottom with a dohc ported and polished head with a t3/t4 turbo also got crane valve springs mopar pcm and new poly motors mountsany mor info need ask i can give it
 
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Old Feb 22, 2009 | 12:36 PM
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really need to know cnt find any where else
 
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Old Feb 22, 2009 | 12:49 PM
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i need to know the internal compression on 1 cylinder, i suggest 8 - 10 psi and retard al lil the 2 cams, but u can run 13psi => (not recomended!)
 
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Old Feb 22, 2009 | 01:03 PM
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well i looked on here it said the stock compression would be 9:3:1 but i like to get forged pistons so it would be like 8:5:1 with crowder rods
but im waiting
 
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Old Feb 22, 2009 | 01:57 PM
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safely on a stock bottom end I think between 6-7psi.
 
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Old Feb 22, 2009 | 02:08 PM
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how much horses would that give me with a 2.5 inch exhuast mopar pcm
 
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Old Feb 22, 2009 | 02:21 PM
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I ran 13 psi it lasted a few miles. Piston did not hold up. I ran 10psi for months. The engine had 160,000+ miles. I plan to run 5psi, and try to keep the motor alive for a long time.
 
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Old Feb 22, 2009 | 02:31 PM
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how many horse u think it would push tho i also got a atx throttle body
 
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Old Feb 22, 2009 | 03:24 PM
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Ricer math= y + 132 x 100 -(x)+14%= 200hp. You will need a dyno. But ball park figure 160-220.
 
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Old Feb 22, 2009 | 03:25 PM
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Oh crap, I think everyone failed to mention. You can not use a mopar ecu on a boosted motor!
 
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