[Gmecm] re: L31 Info Part (2)

[Scott Pearson]

----- Original Message ----- 
From: "SubZero350 at att.net" <subzero350 at att.net>

> A friend of mine did a GM LT4 HOTCAM kit on his 96 GMC 1500 Vortec 5.7L. 
> I got his tuning done but the engine makes very little power below about 
> 2800rpm.  Whats worse is the power band falls off sharply after 5400rpm! 
> Fuel looks ok and I gave it as much timing as it can handle.  I am 
> convinced the stock vortec intakes are horrible from a performance 
> standpoint.  Now I know some may not be familiar with, or not like the 
> profile of the LT4 HOTCAM, but let me give you a couple of examples of 
> what I have used it in and the results...

To be honest, I would expect nothing else. It's a truck motor. Trucks need 
low end torque, not high reving hp. His combo would be like putting a 
4500-9000RPM cam with a stock cast iron Q-jet intake in an old truck. It's 
just not matched.

Scott