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Post by banginr3dn3ck on Jan 6, 2014 16:30:56 GMT -5
i was wondering if anyone runs sq tubing drive shafts in derby cars . i have built a cpl for 4wd trucks in the past and never had an issue just wondering about puttin one in a tilted derby car .
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Post by blackmopar21 on Jan 6, 2014 18:45:13 GMT -5
I've ran them before, worked good never had a problem.
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Post by klicky96 on Jan 6, 2014 20:39:12 GMT -5
Alright, I gotta question to add to this then. Not trying to ruin the thread or anything, sorry, just didn't feel that this needed to be separate. If a square-tubing driveshaft is alright, then why is it bad to have a square-tubed slider shaft? I see people run square tubing drive shafts all the time, but a bunch of guys on the site say that the square tubing slider shafts are bad and twist easily. I only have a stock 318/727 setup. I know its got balls but I don't see it twisting the shaft on a wet track.
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Post by wreakin on Jan 6, 2014 20:54:07 GMT -5
I have seen sum work and sum that don't. I have seen where they bind (don't slide), break (not only at the weld but the tube-ing snaps. I WOULD ONLY RUN A SOLID SPLINNED EQUIPMENT TYPE that been BALANCED. Just my 2cents.
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Post by jackedup on Jan 6, 2014 20:54:29 GMT -5
You wont twist it until someone makes a wheel hit on you when your spinning. The shock load is what twists them. I'd rather run a Tri-Oval drive shaft than a square pto style. And I'd rather run a square PTO style than the double square tube style.
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pourdown437
Heat Winner
I BUILD ENGINE ARMOR
Posts: 241
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Post by pourdown437 on Jan 6, 2014 21:13:48 GMT -5
I exploded a brand new unbalanced slider shaft and trans in my driveway the first time i pulled it outta garage
I wouldnt recommend running anything unless its balanced
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Post by banginr3dn3ck on Jan 6, 2014 21:23:41 GMT -5
thanks for all the input guys i was just tryin to think of something i could build decently cheap and still work gd . i cant afford a 650 dollar slider that is y i was tryin to make one i had kicked the thought of using a pto splined shaft but didnt know if it would be heavy enough.
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Post by jackedup on Jan 6, 2014 21:40:09 GMT -5
They sell many different sizes and shapes of PTO sliders. E2 sliders is about the cheapest you can find to buy one and they are as good or better than the ones I've built for the same money. Makes building one kind of dumb. A balanced Nerat slider is top of the line but I'd never buy one. Just the thought of someone puting me up on a cement barricade or a payloader operator lifting my car with the drive shaft (seen it happen more than once) is enough to buy a tri-oval. If it gets twisted or kinked you just buy $50 worth of tube and weld your ends on the new tubes. To each their own.
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Post by banginr3dn3ck on Jan 6, 2014 22:24:59 GMT -5
yeah i didnt realize the e2 sliders where that cheap. i just got done looking at them . wonder how much the ends to put on rearend and tranny would cost from nerat
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Post by XtremeMopar#307 on Jan 6, 2014 23:59:56 GMT -5
Ends are $100 a piece... Comes out to 575 complete end to end, plus shipping of course... And if you get some buddies together he'll usually do a bundle deal... He's a true class act
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Post by jackedup on Jan 7, 2014 0:22:44 GMT -5
^^^ 100% Agreed. He has helped me in the past even when I wasn't buying anything. Great guy to deal with.
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Post by banginr3dn3ck on Jan 7, 2014 7:38:29 GMT -5
Ends are $100 a piece... Comes out to 575 complete end to end, plus shipping of course... And if you get some buddies together he'll usually do a bundle deal... He's a true class act Can u bolt that slider to a stock 10 bolt flange or ford flange . |
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Post by XtremeMopar#307 on Jan 7, 2014 8:06:13 GMT -5
10 bolt flange yes... Newer 8.8 ford yes... Anything else no
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Post by 82BOSS on Jan 7, 2014 8:12:30 GMT -5
I ran a square pto style slider for years. Never had a problem.
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Post by Hillbilly Speed Shop on Jan 7, 2014 22:25:06 GMT -5
All balancing is, is a selling point to make you feel good. The first bumper you run over, the first time you belly out and stress the yokes, that balance job is worthless. Guys balance their shafts to try to control whip, which is caused by excessive rotating mass. Their shafts weigh a ton. That's the problem.
A few years back I bent my slider during a show. It had about 1/4" runout. But because my design weighs significantly less than most, I was able to continue using it for the rest of the show without grenading my trans. And I was turning that shaft upwards of 2000 rpm.
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