Gear ratio's/ tran's and rear's

1

1965LONEWOLF

lonewolf
Joined
May 13, 2006
Messages
469
ok guys, I know there's plenty of diesel gear heads out here and hopefully this hasn't been asked so here it goes,I switched from 33's to 35" tires but same brand and tread type, the sts's that just about everyone swears buy- i have 4:10 gears,48 re tranny and set up to pull the workstock class. I did gain 1 -2 mph by going 35's but loss 300 rpm, if i use L2 instead of drive i scream the motor to much, seeing how tires are cheaper to find then changing out gear ratio's i was looking around but just found out the tire limit of 35" is just about the limit for most clubs - i know 4 high is a no no but what are the differences in ratios and mph ?
4 low 2 nd
4 low drive
4 high 1 st
4 high 2 nd
4 high third , don't bother because she'll go pop or bang in a heartbeat .
 
1st gear is 2.45, 2nd gear is 1.45, transfercase is 2.72
 
Go to 4.88 gears and run drive ... Trying to stay street friendly and pull competive don't match ... Do gear swap to 3.73 run L2 still ..
 
How much power do you plan on making? You are gonna need quite a bit to turn 35's with 4.56 gears and expect to hit drive


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with 35" in drive I'm 3300 rpms - in low 2 nd 4200 rpm - like to run drive and be 3800 - 4000 - either 4:56 or 4:88 looks like it might do it , still want to drive on the street without screaming down the road
 
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