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is this tire i put on going to slow me down????

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Old 02-24-2014, 06:51 AM
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AUTO with 3600 STALL
car, last time with a 150 shot, 3:73 gears, and 26 tire
60 ft: 1.5
1/8: 6.8
mph: 102
1/4: 10.6
mph: 124

the thing is my car sounded like it was hitting the rev limiter real bad right before the finish, so I went to a taller tire...

well now I got a 28" tire with tube, strange rear with spool, switched to a 200 shot, lost a bunch of weight with tubular front end everything.

well come to find out its my valve springs sticking just a bit, but my new tires are on already.

when I dyno it, it seems to fall on its face at the same spot with both the tires...
Old 02-24-2014, 01:31 PM
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I doubt the tire will slow you down, but the MPH will be different at the various points down the track. Where you could pick up ET is hitting it harder out of the hole with the bigger tire.

Al
Old 02-24-2014, 04:23 PM
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I don't think the tire will slow you down either, especially since you upped the jetting. When I switched to a 28" tire my car had a faster 60'.
Old 02-24-2014, 10:40 PM
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Taller tire can be hit harder out of the hole and if you were hitting the rev limiter with a 26", 28" should be a win/win in my opinion
Old 02-24-2014, 10:46 PM
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I have the opposite prob, my 6speed car with our tracks subpar prep I'd love to up my 4.11 and 26x10 to a 28" but I'm already only crossing the line at 5900, I could go from 1.6s to 1.5's with the 28s but I'd be bogging 4th gear even worse and lose top end
Old 02-25-2014, 03:32 AM
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^^^ have you tried it tho?

OP... if you lost weight and went a 28 you should end up with a lower ET. I don't think its gunna hurt it that much.
Old 02-25-2014, 05:24 AM
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thanks for the replies I wanted, im going back march 9 with new setup so we will see.



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