LSA Crate engine

[Sparks67]

Originally Posted by Flash68

I can't believe anyone would take a 12.5:1 roller 383 and replace it with an LS motor.

Well, I had 612 hp with 520lbs torque with the 383, but it ran Turbo Blue. Now, I have an LS3 418 around 700 hp with 800 ft/lbs torque and I run 93 octane. Well, those dyno numbers are with the Harrop, but switching to the LS9 Blower with 11 rib pulley. So, we have to see.