Only thing I can say is that drive trains supposed eat 10-15%...

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Posted by chriscase [75.36.32.237] on Wednesday, June 20, 2012 at 21:43:43 :

In Reply to: Re: Dyno run, Dodge 230 flat head- After, 60.41 hp posted by Kaegi [24.16.253.154] on Wednesday, June 20, 2012 at 19:26:58 :

And accessories like generators and water pumps eat several, like 5hp?

You realize the quoted ratings are on an engine dyno, no generator, electric water pump. No drive train losses.

IIRC, my first dyno run 37 years ago was 45hp. I think drive train losses are %, but water pump = x hp, gen = y hp, fan= z hp. So tahy would take a larger % of a smaller engine, like 90 hp, than of a V8 with 350.

Oh. this is a crash box truck. I've always heard the straight cut gears are more efficient, but noisy. Can't wait for the NP420 truck to get up and running- some day.


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