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Does a '96 AW4 4-speed Auto have O.D.?

Planetcat

NAXJA Forum User
Location
NorCal
Does anyone know if my 1996 AW4 automatic tranny have just 4 speeds or 4 + overdrive? I'm going to increase my gear ratio and am trying to calc effective gear ratios, so I pick the right gears to install. BTW, I think I can go from current 4.10's to 4.56's without blowing up my engine going 70+ mph. Thanks.
 
Actually, it's 3 speeds plus overdrive. 4th gear is the overdrive gear.
 
AW4 (A340): 2.804, 1.531, 1, (.70 21 spline til '91, then .753 23 spline after. 275 ft lbs est. rating)
gear calculator
 
Thanks.

Thanks everyone for the info. Very helpful. I'm going with 4.56's.
 
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