M916A3/M916A4 Questions

I am considering a replacement for our venerable M915 (w/ 7155 CAT) that has slightly more comfort but maintains the speed of the original M915. From my research the M916A1 and M915A2 will not fit the bill in terms of speed, what about the M915A4 or M916A3?

Thanks.

kubotaman said:

I am considering a replacement for our venerable M915 (w/ 7155 CAT) that has slightly more comfort but maintains the speed of the original M915. From my research the M916A1 and M915A2 will not fit the bill in terms of speed, what about the M915A4 or M916A3?

Thanks.

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A 915A3 will run 65mph due to the double overdrive A 915a4 has a double OD as well with a .67 ratio. So it'll be 65+ it is only a big cam 1 most of the time and not a III so you would want to give it some tricks to pep her up.

916a3s with the 315 80 22.5 tires are around 62mph I believe. Just not a Detroit fan