1966 442 Gear Ratio
#1
1966 442 Gear Ratio
Hello im restoring my 1966 442 with 400 engine. Im having a ground up restoration and I wil like to build a nice street car.
Im going to overhaul the engine, bored at .030 and I will like to add a edelbrock manifold, carburetor and headers.
I have a Mounci transmission but I dont know wich one M20, M21 or M22? and I think I have a 3.90 Gear Ratio, But I think this combination is not good for a street car, I think the car is going to be in a hig RPM range with the 3.90 gear ratio.
So what is a good gear ratio for a street car?
Is better to change the gear ratio or buy a new transmission, if yes wich one is recommended to keep the hurst shifter?
thanks
Alex
Im going to overhaul the engine, bored at .030 and I will like to add a edelbrock manifold, carburetor and headers.
I have a Mounci transmission but I dont know wich one M20, M21 or M22? and I think I have a 3.90 Gear Ratio, But I think this combination is not good for a street car, I think the car is going to be in a hig RPM range with the 3.90 gear ratio.
So what is a good gear ratio for a street car?
Is better to change the gear ratio or buy a new transmission, if yes wich one is recommended to keep the hurst shifter?
thanks
Alex
#4
Keep the 3.90 gears Fun Fun Fun!!!!!
I run a stock 330 2 barrel carb in one of my olds with a 3.90, talk about a blast to drive. Will lay rubber for an entire block and thats with the stock 2 speed automatic. A little hard on fuel but who cares when your having fun. I can still run 65 mph on the interstate with no worries.
#5
#7
But why add the performance with the intake and exhaust, and take it away with the gears?
Stock will be either the wide ratio M20 or the close ratio M21. 3.90s were standard with the M21, but could be had with either trans, so you can't tell the trans from what rear it has.
Olds thought the 3.90s were a nice match to the M21, and I agree.
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