stock rear-end ratio is 3.08 gears.
Stock gear ratio for that van is not 3:08 it wasn't an option. It stands a better chance of being 3:42 which would be option code GU6 on the build sticker in the "glove box".
sticker should be under hood on the van.,
on rad support or on hood underneath side of it glued in place
possibly also in rear on rear door or spare tire cover
G code is axle code
plug on pumpkin on front of rear end on passenger side
3.8
200
Reverse and forward gears
I'm sure that was the 4L80E transmission.
the top speed is 85 mph
all I need is what the color codes from the stock wire harnes to connect to the new one
You can only adjust the speedometer with an ERA - Electronic Ratio Adaptor or possibly the Dealer, because the Speedometer is electronic.
if you have an 3.1 it dont sound bad, it sounds like an v8 at idle, but not as loud
1992 Chevy 1500
How do you convert the ac in a 1992 Chevy lumina
Any 1992 Chevy may be considered a "classic" in a literal sense, but short of a 1992 Corvette ZR-1, no other 1992 Chevy will likely ever be considered a collectible.