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Title: advice on gearbox Post by: ffred on March 30, 2011, 06:30:48 am Hi,
My car is a 64, about 640kg. I'm building a 2276cc with MS230, raptor cam, 48IDA on it. The engine must produce 230hp around 6500rpm and 26daN.m around 5000rpm. I'm planning to use it for dragstrip with MH slicks 6/26/15. Which kind of gearbox do you recommend to handle it with reliability ? Thanks Fred Title: Re: advice on gearbox Post by: dangerous on March 30, 2011, 20:44:30 pm My advice would be to run a bus box.
You can get a bug box to work, but the higher maintenence will wear you down. Title: Re: advice on gearbox Post by: Bruce on March 31, 2011, 05:55:52 am , about 640kg. I'm building a 2276cc with MS230, raptor cam, 48IDA on it. While those are contributing factors, the most important one is missing. That is YOU! Some guys can blow up a gearbox with a stock engine, while others can make a semi-stock gearbox survive with over 300hp. The engine must produce 230hp around 6500rpm and 26daN.m around 5000rpm. I'm planning to use it for dragstrip with MH slicks 6/26/15. What kind of driver are you? Title: Re: advice on gearbox Post by: ffred on March 31, 2011, 09:49:00 am On the road, i drive gently.
On the strip, i would say that i preload the trans before starting, and i sometimes floor the throttle while shifting. In my previous engine 2276cc, FK45, 42x37, 180cfm, 45DRLA, i didn't have any trouble with my stock case gearbox 3.78/2.06/1.48/1.12 4.12, superdiff and poor man posi equipped. I ran it with cold slicks (no burn out). For the new combo, i suppose that my gearbox would not handle the abuse of torque and power. But it's my opinion. I would like to have a reliable car. Not one which break the trans on every race. I would like to perfom 1.6s/60ft. Fred |