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Old 09-26-2018, 10:12 AM   #3
Coley
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Join Date: Oct 2011
Location: Victoria, B.C
Posts: 3,794
Smile Re: 350/290 Crate vs. stock 72 350 4bbl power?

Be careful with the 290hp crate engine..

I believe it has been built and intended for producing its hp up higher than what would typically be needed and used in the trucks.
So it typically is a better choice for lighter vehicles like Nova's, Camaro's, Chevelle's, etc, etc...vs the 4000lb + trucks.

I recall seeing that it is not recommended for heavier vehicles (ie: trucks) due to the fact it produces minimal torque down low...which is what trucks need.

As a result a few guys have seen their low end performance actually drop...given the fact that they don't often go above 4500-5000 rpm in their trucks.

First tho', you have to figure out where you do most of your driving rpm-wise and then where you want your power band.

The primary issue here for a lot of guys is they are constantly referencing the conversational 'hp' number.....and rarely the torque/rpm number, which is substantially more useful and more likely to be the driver of (heavier) truck performance.

....food for thought and maybe some of the other guys can weigh in on this.

Coley
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1966 Chevy 1/2 ton (Florida- Red/white)
1972 Chevy 1/2 ton (California- Blue/white)
2005 Chevy Silverado HD2500/Duramax
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