Engine build hp estimate
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From: Crappy Stupid Liberal Washington state
Lots of cam only cars been across my dyno over 300 rwhp.
But most (essentually) cam only LT1 cars with a 4L60E are gonna dyno a good bit less than 300 HP to the wheels.
And I'm saying that this car (as it stands) will be one of those cars.
KW
I don't remember tuning a cam-only LT1 on my dyno under 300 rwhp.
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From: Crappy Stupid Liberal Washington state
That would be the high side for sure. They all gain about the same. Some were just turds from the factory. I have seen virgin LT1s only make 230 or so. One of those dogs wouldn't make 300 with a cam only.
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From: In the garage fixing LT1
That's a standard 330rwp build. But remember, the big thing with the 503 is the flat power band, you don't get spectacular HP but you do win races.
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From: Crappy Stupid Liberal Washington state
I'd agree with you it's a 330 hp build, if he had proper exhaust, a good mail order tune, and 1.6's. He needs to spend en afternoon swapping to longtubes and 1.6's, and then sending his PCM off to a good tuner.
