Quote:
Originally Posted by slider701
Is bringing a different diff with a deeper gear ratio an option so you could swap it out on a really tight course so you can keep the RPM's up higher at lower speed? Or would you end up spinning the tires more and breaking more stuff?
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Yes, the reason I went with the 3.31 was to control wheels spin but I think you are on to something when the course is so tight that we are running at or below idle speed a 3.70 would really help. Just need the discipline on the throttle to keep from lighting the tires at higher speeds. These cars are so light and the tires do not grip like drag radials so breakage is not usually a problem. I need to find some forged yokes and sliders that are like the original Hardy Spicer parts
but made of better material (modern). I use drag race zerkless U-joints,they have been very good although hard to load during assembly because of the thickness. Driving technique is kind of like a sprint car floor it with little or low velocity in the manifold and start getting out of it before it comes to life.
When the rpm is too low it stumbles a couple of times then explodes and blows the tires off so a 3.70 would give us more control.