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Percentage of horse power used in a 6 or 8 Cly Engine Valve train.

Percentage of horse power used in a 6 or 8 Cly Engine Valve train.

Percentage of horse power used in a 6 or 8 Cly Engine Valve train.

(OP)
I need to know about how much horse power is needed to power either a 6 or 8 cly gas engins valve train.Both Intake and Exhaust valves. Say 4 valves per cly. I need this as a percent.

Lenny123

RE: Percentage of horse power used in a 6 or 8 Cly Engine Valve train.

No way to answer, how many cams, compression ratio, valves/cykinder, BMEP, spark v disel, and on...

RE: Percentage of horse power used in a 6 or 8 Cly Engine Valve train.

(OP)
Your right,I should have been more spcific with my question.
Theres a bunch of specs on this website for a small block V8 engine.http://www.raceseek.com/chevy_v-8.htm


4 valves per cly using 4 over head cams.

If you happen to have the answer using another engine size, please feel free to post it here.

RE: Percentage of horse power used in a 6 or 8 Cly Engine Valve train.

What for?  lossen the valve springs to save HP to the valve train, but suffer HP loss when valves "float".  It's a trail and error game.  Eventually you could run enough combinations to write your own equation taking into account springs, cam lift, rpm, CR, fuel....

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