Quote:
Originally Posted by Matts94Z28
Hmmm. The 28 fits, but its not as wide.
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The actual contact patch on the ground with the taller tire should be larger than the 27s so you should have even better traction off the line. You have to account for tire sag at lower pressures and launch so when measuring the actual rubber on the ground you have to measure front to back and across the width so the taller tire will always put more rubber on the track. Check out this slow motion launch to see what I am talking about also there is a pic to demonstrate notice how the tire smashes into the ground thats the front to back measurement I mentioned. I say go with the taller tire to keep the RPM's down and your 60 should come down (maybe half a tenth) because you should be able to launch it harder and you wont oil down the big end of the track when a rod bolt lets go.
http://www.youtube.com/watch?v=DDwEZ9KM-PQ
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