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Guess my HP/TQ - 416 Build

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Old 04-21-2017, 11:34 PM
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Default Guess my HP/TQ - 416 Build

Current Setup (bought it like this):

416 LS3 in a 6 speed C5
Patriot Stage 2 243s - (300cfm @ .600cfm)
FAST 78mm Intake with stock TB and MAF
JBA Shorty Headers with stock h-pipe and Ti's
220/224 .581/.581 114LSA
10.7:1 compression

Made 450rwhp/465rwtq on a Dynojet

New planned setup:

Same heads due to budget
FAST 102mm intake with Ported LS2 TB and 85mm MAF
1 7/8ths long tubes and 3" x pipe
Bigger cam (Around a 238/245 113lsa .620/.600)


What should I expect as far as gains from these upgrades? Hoping for atleast 500rwhp but we will see. In case you were wondering about the current setup, the previous owner blew up the stock ls1 and just installed all of the same parts onto the 416 which is lame, but I think the bolt ons and bigger cam should wake it up.
Old 04-25-2017, 01:22 PM
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You may gain 30 to 40 hp on the top end but you'll lose power below 4K RPMs.

BTW.....an honest 450hp-465tq to the wheels ain't lame at all.

Jus' sayin'.

KW



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