Other Engine Conversions - non V-8 Discussion of non-rotary engines, exc V-8's, in a car originally powered by a Rotary Engine.

Driveshaft loop for rx-7's?

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Old Nov 17, 2004 | 11:59 AM
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Driveshaft loop for rx-7's?

Anyone useing any specific brand or type of loop. I'm way overdue 1/4 mile time wise. ANyone have to install one of these to run at the track? Got an ETA on the install?

Thanks!
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Old Nov 22, 2004 | 12:20 AM
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I emailed the people out at CP racing and they said they would build one if needed, because I am getting to where I will need one also.

Later
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Old Nov 26, 2004 | 01:20 PM
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Where is CP racing? Lets call them up. Maybe they will cut us a deal if we order up 2 of them?

Thanks...
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Old Nov 28, 2004 | 10:31 AM
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I'm interested in one also. FC, FD, or does it matter?

-Destin
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Old Dec 2, 2004 | 09:55 PM
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I contacted them, lets see what happens.

Later
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Old Dec 2, 2004 | 10:03 PM
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would this work?
http://www.prostreetonline.com/buy/s...ing/sum-g7900/
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Old Dec 3, 2004 | 12:31 AM
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Originally Posted by BMS2004
Yea, it will work. But you will need to do some cutting and grinding. I've used one of those 'universal' loops before and the problem is they are made big enough to fit under a school bus. That's why there are so many holes in it. You will have to cut the extra metal off the ends after you figure out where to put the bolts to hold it together.

Someone had an interesting idea that should work. You could use a 1 inch section of pipe that's about 3.5-4" wide, put it around the driveshaft where it needs to be, then mark where you'd need support on the sides that would be level with the floor. Cut 2 6" long pieced of 1" wide x 3/16" thick flat steel, weld it to the pipe where marked, and drill two holes in each piece of flat steel. Install it against the floor, mark the holes, drill through the floor, nut and bolt it and you're done. The hardest part of the job would be unbolting the driveshaft and lifting the carpet up - neither of which are all that difficult.
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Old Dec 3, 2004 | 10:28 AM
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Originally Posted by Crash Test Joey
Yea, it will work. But you will need to do some cutting and grinding. I've used one of those 'universal' loops before and the problem is they are made big enough to fit under a school bus. That's why there are so many holes in it. You will have to cut the extra metal off the ends after you figure out where to put the bolts to hold it together.

Someone had an interesting idea that should work. You could use a 1 inch section of pipe that's about 3.5-4" wide, put it around the driveshaft where it needs to be, then mark where you'd need support on the sides that would be level with the floor. Cut 2 6" long pieced of 1" wide x 3/16" thick flat steel, weld it to the pipe where marked, and drill two holes in each piece of flat steel. Install it against the floor, mark the holes, drill through the floor, nut and bolt it and you're done. The hardest part of the job would be unbolting the driveshaft and lifting the carpet up - neither of which are all that difficult.
I ran a similar set up on my old camaro. I used a 2" long piece of 5" schedule 40 pipe with two pieces of 2"x.25" flat bar welded to it, then welded to the floor pan. Be sure to use a piece of pipe large enough to pass the front yoke through.
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Old Dec 3, 2004 | 10:57 AM
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I could make these for an FC if a few people are interested. $30 shipped.

I'd need to borrow an FD for a little bit, but those wouldn't be a problem either.

Ben
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