'93 LT1 T56 Better Gear Ratio?
#3
Year 1993 (M28) / 1993 (M29) / 1994+ (MN6)
1st: 3.36 / 2.97 / 2.66
2nd: 2.07 / 2.07 / 1.78
3rd: 1.35 / 1.43 / 1.30
4th: 1.00 / 1.00 / 1.00
5th: 0.80 / 0.80 / 0.74
6th: 0.62 / 0.62 / 0.50
1st: 3.36 / 2.97 / 2.66
2nd: 2.07 / 2.07 / 1.78
3rd: 1.35 / 1.43 / 1.30
4th: 1.00 / 1.00 / 1.00
5th: 0.80 / 0.80 / 0.74
6th: 0.62 / 0.62 / 0.50
#6
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The RPO code is G92...if you have that you have the low ratio's. I have them and the first 3 gears were identical to the m12 found in the gto's and c5 z06 t-56 which is cool. 4.10's in a 93 will be very aggressive and more like 4.56's in the regular t56s...
#7
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Actually the first 4 gears are...the final drive is a bit higher to make up for the fact they came with 3.23's instead...
http://en.wikipedia.org/wiki/T56
http://en.wikipedia.org/wiki/T56
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#8
1993 M28 w/ 3.23
1st 10.85
2nd 6.69
3rd 4.36
4th 3.23
5th 2.58
6th 2.00
1st 10.85
2nd 6.69
3rd 4.36
4th 3.23
5th 2.58
6th 2.00
Last edited by My93Z; 07-06-2008 at 02:29 AM.
#12
I have a 93 with the m29. I run a 3.73 which would be like the MN6 with a 4.10, but a little deeper. My highway cruising rpm's are even higher than the MN6 with a 4.10 which kinda sucks, but overall I like it. Even more so for the fact that they are rare(M29).
#17
TECH Fanatic
I'd love to put in 4.10's to my rear and have only the 6th gear ratio changed to like... ummm... 0.40 to get that 6th gear highway RPM back to what I have with 3.42's but still have the 4.10's benifit 1st-5th. Anyone ever heard of that being done? Is that even possible? Sorry for the thread-jack.... just made me wonder from reading this.
#18
Actually the M28 with the 3.36 is usually the least desired due to the larger RPM drop from 1st-2nd and 2nd-3rd. It is also the weaker of the 2, rated at 350 vs 400 for the M29 and 450 for the mm6 (94+ T56). All M28's came with 2.73's, and M29's came with 3.23's. Even though both 93's are weaker than MM6's, they can be upgraded just the same as the 94+ trans due to most other parts being equal (other than gears of course).
BTW, I have a M29 w/steel 3-4 fork in my 95 with stock 3.42's and love it! The 6th gear is the only thing that would keep me from getting 3.73's right now. I have heard of a few people swapping out the 5-6 gears and countershaft from a 94+ into their M29, which is similar to the ZO6/GTO trans ratios.
BTW, I have a M29 w/steel 3-4 fork in my 95 with stock 3.42's and love it! The 6th gear is the only thing that would keep me from getting 3.73's right now. I have heard of a few people swapping out the 5-6 gears and countershaft from a 94+ into their M29, which is similar to the ZO6/GTO trans ratios.