Another guess the Hp thread
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The Mad Porter
dfree383
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Another guess the Hp thread
650jetmech March 25th 2024, 10:37 am
Engine goes on the dyno next week. Heres what i have, Eliminator sportsman block 4.39, 4340 Liberty crank 4.30, Oliver rods, Mahle pistons 12.8 CR, AFR 295 heads port matched to an AFR Dominator flange intake, minor plenum porting, 1150 Holley, Solid roller cam 272/280 .774/.770 109*, 1.8 Comp Roller Rockers, 2” primary headers for now. All I want is to crack 800 but i think it might just have more than that in it. Any guesses?
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Re: Another guess the Hp thread
The Mad Porter March 25th 2024, 11:15 pm
650jetmech wrote:Engine goes on the dyno next week. Heres what i have, Eliminator sportsman block 4.39, 4340 Liberty crank 4.30, Oliver rods, Mahle pistons 12.8 CR, AFR 295 heads port matched to an AFR Dominator flange intake, minor plenum porting, 1150 Holley, Solid roller cam 272/280 .774/.770 109*, 1.8 Comp Roller Rockers, 2” primary headers for now. All I want is to crack 800 but i think it might just have more than that in it. Any guesses?
I'd quite frankly be surprised if it didn't exceed 800 hp.
Remove the pinch(s) in the plenum corners just below the carb flange.
https://scontent.fhio3-1.fna.fbcdn.net/v/t39.30808-6/369985870_764246452375792_8088622288405067724_n.jpg?_nc_cat=100&ccb=1-7&_nc_sid=5f2048&_nc_ohc=1Z9M1sdVyUwAX-IPoNl&_nc_ht=scontent.fhio3-1.fna&oh=00_AfCjtk0jFce-u1rTsC9wwirHrRwTexJ0WtypVIou2oL0iA&oe=6607C518
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Last edited by The Mad Porter on March 25th 2024, 11:22 pm; edited 2 times in total (Reason for editing : additional content)
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Re: Another guess the Hp thread
BBFTorino March 31st 2024, 2:31 am
814 hp / 730 tq......just a guess.
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Re: Another guess the Hp thread
650jetmech April 12th 2024, 4:35 am
Results are in. 808Hp@6700 and 705Tq@4900. Goals met so i’m happy.
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Re: Another guess the Hp thread
Mark Miller April 12th 2024, 11:09 pm
BBFTorino wrote:814 hp / 730 tq......just a guess.
You were only 6 horsepower off good guess!!
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Re: Another guess the Hp thread
supervel45 April 13th 2024, 12:55 am
Nice Numbers and glad you got it running. 
I think 5Points has close to the same cam, or at least it has the same .050" duration and LSA with .730"ish lift.
Thinking out loud, would have 1.8 rockers have picked his 763HP deal up any?
I think 5Points has close to the same cam, or at least it has the same .050" duration and LSA with .730"ish lift.
Thinking out loud, would have 1.8 rockers have picked his 763HP deal up any?
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