HP guess on new build please
12-10-2013, 09:36 AM
#1
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HP guess on new build please
I posted my mild 5.3 build at 299hp-309tq
I'm taking that same block boring it to 3.902 to make it a 346
I've done the 383 and that's fun but I want to try the 346
It will have 11.25:1 compression with probe fps forged pistons
I'm thinking a cam motion 228-232 .600 lift 110lsa cam
AFR 205 heads hand finished flowing 305@ .600 and 248ex @ .600
Stock rockers with upgrades good comp 26925 springs
TBSS intake setup ported runners 87mm TB
Pace Setter 1.75 primary headers modified into step headers with merge collectors
And Dual 3" ORY Dual 3" exhaust nascar style
Cd 3400 stall locked up 3.42 gears 10 bolt
Any guesses? Thanks a bunch!
I'm taking that same block boring it to 3.902 to make it a 346
I've done the 383 and that's fun but I want to try the 346
It will have 11.25:1 compression with probe fps forged pistons
I'm thinking a cam motion 228-232 .600 lift 110lsa cam
AFR 205 heads hand finished flowing 305@ .600 and 248ex @ .600
Stock rockers with upgrades good comp 26925 springs
TBSS intake setup ported runners 87mm TB
Pace Setter 1.75 primary headers modified into step headers with merge collectors
And Dual 3" ORY Dual 3" exhaust nascar style
Cd 3400 stall locked up 3.42 gears 10 bolt
Any guesses? Thanks a bunch!
12-11-2013, 08:29 AM
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I'm going to guess between 390-415hp at 6200rpm and 365-375tq at 4800rpm
I may go with a 234-238 .630lift 112lsa cam and 11.6:1comp but it would probably hurt low end power too much
I may go with a 234-238 .630lift 112lsa cam and 11.6:1comp but it would probably hurt low end power too much
12-19-2013, 02:35 PM
#4
you should easily be over 400 rwhp. My 5.7 with 241 heads with just a little bowl work, 11:1, a comp 215-223 .600 112 cam, stock exhaust manifolds, stock truck intake and a cold air intake makes 378/368 to the tires through a 4l60 trans and 18'' wheels
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