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MGB Roadster conversion

18517 Views 18 Replies 6 Participants Last post by  Rf 4.3
I'm now planning for my next Conversion, which is going to be a 1979 MGB Roadster. This is a rear wheel drive.

I wanted this to be a fast and high performance drive. I just bought a Remy HVH250. I'm close to getting a rinehart pm100dz. I'm planning to run it close to 500V.

I need your guidance on the reduction ratio for this setup. MG diff is 3.9:1. I read up few threads about 2 speed Powerglide trannies and I don't think it is a good idea to go for Powerglide tranny, as its final ratio is 1:1. I don't want to spend too much money on tranny/reduction

Miz, RobA, Duncan, and all other experts, please share your thoughts
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After you figure the motor speed vs vehicle speed limits, you could look into a Gear Vendors under/overdrive. I'm confident you could set up a good final drive ratio for cruising with one. The Lone Star EV guys are using gear vendor units stacked in their Assult & Battery dragster.
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