trany problems
#1
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trany problems
I have a 91 nonturbo with an automatic and i am not sure if it is shifting into overdrive. I dont think that it is. In the supposed OD the tach reads right at 4000rpm at 70mph. somebody please help me out here is it in 3rd or 4rth
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Assuming that you have stock sized tires, according to the gear ratio calculator:
205/50/16 tires, 3.90 rear end
3rd gear (1.0:1) at 70mph: 4000RPM
4th gear (.72:1) at 70mph: 2900RPM
So based on that, assuming stock tires, you're right, your OD isn't working.
205/50/16 tires, 3.90 rear end
3rd gear (1.0:1) at 70mph: 4000RPM
4th gear (.72:1) at 70mph: 2900RPM
So based on that, assuming stock tires, you're right, your OD isn't working.
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