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| Swapping 4th gear ratio? http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=78219 |
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| Author: | sailwa66 [ Thu Feb 06, 2014 10:23 am ] |
| Post subject: | Swapping 4th gear ratio? |
Since the 66RFE is basically a 545RFE case stuffed with 68RFE gears, does anyone know if replacing our 4th (well, kinda-5th) gear with a 66/68RFE 5th gear is a drop-on? This would change the ratio from 0.75:1 to 0.81:1, thereby eliminating the too-large 3rd-4th gap, and too small 4th-5th gap. I'm sure Kieth could then tailor a trans cal for me. |
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| Author: | jlgail4309 [ Thu Feb 06, 2014 5:29 pm ] |
| Post subject: | Re: Swapping 4th gear ratio? |
That sound great. Transmission shop might be the only way to find out!! |
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| Author: | tjkj2002 [ Thu Feb 06, 2014 5:41 pm ] |
| Post subject: | Re: Swapping 4th gear ratio? |
sailwa66 wrote: Since the 66RFE is basically a 545RFE case stuffed with 68RFE gears, does anyone know if replacing our 4th (well, kinda-5th) gear with a 66/68RFE 5th gear is a drop-on? This would change the ratio from 0.75:1 to 0.81:1, thereby eliminating the too-large 3rd-4th gap, and too small 4th-5th gap. I'm sure Kieth could then tailor a trans cal for me. The gap between the higher gears in a 545RFE is very small compared to the lower gears.Would be a lot of $$$ for no noticeable difference. -1st 3.00:1 -2nd 1.67:1 -2nd Prime 1.50:1 -3rd 1.00:1 -4th 0.75:1 -5th 0.67:1 -Reverse 3.00:1 |
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