gear ratio
Thread Starter
Member
Joined: May 2004
Posts: 234
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From: nebraska
Car: 90 RS, 83 z28, 85 ranger
Engine: none, 350, 2.8
Transmission: none, t-5, 5-speed
gear ratio
does anyone know how to figure gear ratio by tire dia. i have a 3.45 ratio and a 35 in tall tire. i want to try to get the ratio back to 3.45 with those tires. any help would be greatful.
Thread Starter
Member
Joined: May 2004
Posts: 234
Likes: 0
From: nebraska
Car: 90 RS, 83 z28, 85 ranger
Engine: none, 350, 2.8
Transmission: none, t-5, 5-speed
i don't know. but i am going to say about 26 in this question is not f body related but i figured someone might beable to help.
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Joined: Jan 2005
Posts: 1,768
Likes: 2
From: Gambrills, Md
Car: clapped out 84Z
Engine: 355 efi roller
Transmission: tremec TKO
4.65 would be the new ratio. Might want to double check original tire size. Plug into this formula:
35/(old diameter)x3.45=new ratio
35/(old diameter)x3.45=new ratio
Thread Starter
Member
Joined: May 2004
Posts: 234
Likes: 0
From: nebraska
Car: 90 RS, 83 z28, 85 ranger
Engine: none, 350, 2.8
Transmission: none, t-5, 5-speed
thanks. i will check monday and figure out what the origanal dia is. but now i know how to figure the ratio
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