Horsepower estimations

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Karlos
Posts: 4
Joined: Sun Jan 03, 2021 1:42 pm

Horsepower estimations

Post by Karlos »

A tricky question to answer I know but some ball park estimates for my next engine would be good :mrgreen:

2276 94x82

AS41 case
Chevy journal crank
5.4” h beam rods
Mahle pistons & barrels
Engle FK10
Straight cut cam gears
Chromoly push rods
1.4:1 rockers
Thorsten pipier tool steel lifters
044 cnc ported ultra mag heads
42x37.5 stainless valves
Aiming for about 10:1 compression
48 ida’s with berg 40/35 grooved vents
Match ported Scat trac manifolds
A1 1” 5/8 sidewinder header and twin tube muffler
Mallory CDI ignition system
10mm Taylor ht leads
Full weight flywheel
Gene Berg equaliser pulley
All fully lightened, balanced and blue printed

I think 180hp is a realistic figure
madmike
Posts: 3146
Joined: Mon Jul 24, 2006 3:11 pm

Re: Horsepower estimations

Post by madmike »

It could be 200hp if ya get a 1 3/4 header :wink:
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woodsbuggy1
Posts: 822
Joined: Sun Feb 20, 2011 5:15 pm

Re: Horsepower estimations

Post by woodsbuggy1 »

Not much help on HP estimate but would expect it to rev rather slowly with the combination of stroker crank, heavy flywheel and very heavy crank pully. You might want to get rid of some reciprocating weight to help your bearings live longer and improve performance.
Good Luck
Good quality is getting harder and harder to find.
Bruce2
Posts: 7094
Joined: Sat Oct 13, 2001 1:01 am

Re: Horsepower estimations

Post by Bruce2 »

What he said. All that extra rotating mass makes for a really lazy engine.
farmer
Posts: 2399
Joined: Fri Dec 07, 2001 12:01 am

Re: Horsepower estimations

Post by farmer »

It´ll rev high, but the power will not be super high. The 42 x 37,5 valve combination makes for the exhaust side being over efficient.
Between 170 and 180 hp and most likely not more than about 215-220 Nm perak torque.
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Kalle
Posts: 441
Joined: Tue Nov 16, 2004 12:10 am

Re: Horsepower estimations

Post by Kalle »

165 to 175 hp at the crank.
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