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Old 07-10-2012, 03:50 PM
gflentge gflentge is offline
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engine spec - hp estimate

Been reading for a while and see all sorts of posts on HP estimates based on engine spec/build sheet. Been to "ryans" info page and the onfo is great, but there are always unique things .....

Found a 383 already built (someone elses project that they ran out of time/$ For) with following spec and would love to hear opinions on build and estimated hp

Seller says motor was built to make big HP upwards of 480hp and big torque over 500with no spray.... i don't see it, based on the spec hes giving

Any input is great.....good/bad/estimates/opinions...

Specs are.

Intake: Ported Victor Jr.

Carb: Hollwy 750 double-pumper

Heads: Fuelly - 194/150 valves Manley Undercut & Swirl Polished 3 angle valve job ARP Head bolts

Crank: Eagle Cast Steel,3.75" stroke

Rods: Reconditioned GM pinks w/90,000 psi tensil straight bolts

Pistons: Speed Pro Forged and skirted (.125" domed,4.030" over)

Cam: Duration @ 295/305 (roughl) Lift @ .575/.585 w/1.6 hydraullic roller rockers

Rockers: Proform 1.6 full roller rockers

Pushrods: Comp High Tech,stock length

Lifters: Crane,anti pump up

Current Distributor MSD HEI with module and high output coil

Long tube headers

Thanks for input

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