Quote:
Originally Posted by hotrod 80
The 2.48 over the 3.90 is alot of mechanical advantage . Did they specify 28" or just say true 10.5 ? If just a true run a 29.5 . I would test with the 3.90 , but your on the right track . I came up with 3.40 with a 28 " tire and 400 . I had a 3.60 in the garage , so i'll probably be heading that direction .
X2 on the ignition box and pulling timing .
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they said max 28x10.5 no w's