Originally Posted by n20mstr
fluid can tighten or loosen the converter, Straight tractor fluid to straight dexron or a mix of them can move the stall a few hundred rpm.
IF this is a "street" race or no prep type deal, looser is usually better....just saying


Its just a street car that I am trying to NOT turn into a full blown race car lol. It may get nitrous or a blower in the future though...

I can't remember, but what I recall the tractor fluid, like hygard, tightens by a couple hundred rpm, right?