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Author Topic:   What tire size?
MThershey
Dirt Full Roller

Total posts: 36
posted April 07, 2004 11:17 AM  
Running 3/8 mile with mid-length straights 3.50 gears in a Ford 351w pure stock. Final gear ratio of 6.23. Any idea what tire size will put is in the ballpark?

[This message has been edited by MThershey (edited April 07, 2004).]

racer17j
Dirt Forum Champ
Total posts: 5390
posted April 07, 2004 01:09 PM  
And what rpm you are looking to run. That final is a little wacky looking to me.

outlawstock17
Dirt Forum Champ
Total posts: 1363
posted April 07, 2004 01:50 PM  
i'd start with about an 84" tire...

[This message has been edited by outlawstock17 (edited April 07, 2004).]

MThershey
Dirt Full Roller

Total posts: 36
posted April 07, 2004 01:50 PM  
Sorry, fixed the typo on the original gears. Makes a slight difference!! Looking to turn around 5500.

racer17j
Dirt Forum Champ
Total posts: 5390
posted April 07, 2004 07:19 PM  
i'd say an 86 would put you in that ball park

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