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-   -   RPM's at Highway speeds? (https://www.gtcarz.com/chevy-gmc-70/rpms-highway-speeds-100154/)

chriskaz 10-27-2005 03:42 PM


Originally Posted by 69z-28
at 65 in 6th gear im at like... 1700 rpm.haha.

u got a t56 or the ROD 6 speed? got a 67 with the .76 6th and i know 3700 rpms is 160 mph, alil to much for that rollin brick.

archemedes 10-27-2005 04:20 PM

I would do the electronic, and go to a shop that has done it before

reamal 10-27-2005 08:59 PM


Originally Posted by archemedes
I would do the electronic, and go to a shop that has done it before

ok, thanks again

69z-28 10-27-2005 10:18 PM


Originally Posted by chriskaz
u got a t56 or the ROD 6 speed? got a 67 with the .76 6th and i know 3700 rpms is 160 mph, alil to much for that rollin brick.

stock t-56 with 3.23s. its an M29.

niceroc 10-28-2005 01:55 PM

chad has the .5 overdrive the lt1 didnt have that... i think it was in the .60's


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