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370 hke with 72mm turbo

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Old 06-08-2010, 08:38 AM
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Default 370 hke with 72mm turbo
Well I have a 08 GMC Truck I just finish breaking in the new motor its a hke370 with stock 799 head running a 72mm turbonetics. kit by trick performance. I have not ran it with high boost but planing on Wed. to turn it up to 14-15psi of boost what do yall think this kind of set up will make HP? Thanks in advance
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Old 06-08-2010, 08:40 AM
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what made yu go with a 72? thats a pretty small turbo for a built 370. Id have at least a 78
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Old 06-08-2010, 08:43 AM
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The reason is I kept the 72 from my 5.3 set up but I have a promod 88 coming for it
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Old 06-08-2010, 08:57 AM
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Originally Posted by mgonzo82
The reason is I kept the 72 from my 5.3 set up but I have a promod 88 coming for it
ahhh, thats going to be your limiting factor i think. I bet it runs out of steam up top. Prob will hit 600rwhp
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Old 06-08-2010, 09:00 AM
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What trans, and rear? I would guess about 650rwhp at 5500rpm with a 60e.
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Old 06-08-2010, 09:02 AM
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FLT lvl7 4L70E with 3:73 rear
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