Quote:
Originally Posted by 86longbed
I have 3.42 in my 86...they work fine
not to get off topic but when ya'll are saying streetable are we talking highway or just on the street because 3.73 gears with a 3 spd work just fine on the street and give you a good bit more pick up from a stop but on the highway is where the problems start anything higher than about 55 to 65 and the motor is wound up for any type of long distance traveling but the truck will go way past the speedo for short bursts
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This whole discussion is about alignment of trannies and gears. I run 3.73 gears in my 84 GMC truck and my son has them in his 86 Chevy. Those rear ends are mated to 700 R4 trannies and th eoverdrive is a great combo with that gear ratio.
At the 75 MPH mark (no one runs 60 to 70 anymore) I am at 2700 RPMs and just starting to breath good on the engine. That also includes a smaller tire than most run on their trucks. I like the response of the 3.73 gears and the roadability of the cruise control and the response on the highways.