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Doug Nash 4 + 1 Trans

Posted By: Dave W

Doug Nash 4 + 1 Trans - 10/20/11 12:58 AM

I'm sure this question has been asked before. How much power can a Doug Nash 4 + 1 pro/slick shifted trans handle? Is it capable of handling 700-800 ft.lbs. of torque at the flywheel?
Posted By: Guitar Jones

Re: Doug Nash 4 + 1 Trans - 10/20/11 02:04 AM

Can you call Richmond and ask them?
Posted By: gearjammerdart

Re: Doug Nash 4 + 1 Trans - 10/20/11 02:59 AM

Quote:

I'm sure this question has been asked before. How much power can a Doug Nash 4 + 1 pro/slick shifted trans handle? Is it capable of handling 700-800 ft.lbs. of torque at the flywheel?



I would say no, but there are a lot of variables. Weight of the car is a big factor. Some of the DN have a center support bearing which makes them better, you can also have them sent off to have the shafts handcuffed together. The biggest problem that I found with the DN is that under a lot of power the counter shaft seperates and then you have gears breaking.
A good clutch will help the trans live.

Donald
Posted By: Dave W

Re: Doug Nash 4 + 1 Trans - 10/20/11 03:12 AM

Car will weigh around 2800lbs. I would like a bullet-proof trans, what would be my best bet behind a power-adder small block with a budget of $3500?
Posted By: rowin4

Re: Doug Nash 4 + 1 Trans - 10/20/11 04:50 AM

I don't know how much power they will take but I have broke mine a couple of times, the last time I shifted into 2nd while the wheels were still up from the launch, took out 2nd gear, bent the output shaft, split the case and oiled the track. Bought another , cheaper than the repair. And NO parts are for sale.

Posted By: Rich970

Re: Doug Nash 4 + 1 Trans - 10/20/11 12:12 PM

check out g-force north ask for bubba. i have a 4 speed that works great for me. what clutch are you running ?

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Posted By: Dave W

Re: Doug Nash 4 + 1 Trans - 10/20/11 01:12 PM

how much power can your G-Force handle?
Posted By: Rich970

Re: Doug Nash 4 + 1 Trans - 10/20/11 03:58 PM

they say around 1000. depends ot the weight of the car . i am at 2800 lbs. hp ?
Posted By: jcc

Re: Doug Nash 4 + 1 Trans - 10/20/11 07:54 PM

I got a richmond 5 sp FwIW and its rated 450lbs, which sounds very conservative IMO.
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