Project RWD
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First:
The main reason most draggers use the powerglide is because it's lightweight, and the fact it takes very little power to turn. The TH350 while being 3 speeds, takes a considerable more power to operate and weighs over 100lbs more. The TH400 is a VERY heavy transmission and takes even more power to turn.
Buschur uses the powerglide in both his old back half and tube car. He also runs it in his Conquest racers. Bill Walls, Aaron Poe, etc. Many of the Supra guys run a powerglide too. Venom, Titan, Paul Efantes, etc.
Wiz
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Kevin was telling me he could get a deal though on the turbo tranny, is that the one he is going with then?
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I agree with the fact that the powerglide robs ahelluva lot less power. But as far as weight goes, Theres only about 25lbs difference between the th350 and powerglide. plus usually, and I mean USUALLY, the turbo 350's are cheaper to build. I personally like the idea of shifting only once and like them both. As far as a th400, Well the cost too much to buy and build compared to the other two. They are very tough out of the box but do rob alot of power. Like 45hp in stock form. Given building it up will make that number decrease but a th350 usually robs between 25-35hp in stock form and the good ol shlushbox er, uh, powerglide robs even less. So if you do themath it's a no brainer. But I think kevins a cheap ass. JK!
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How much more does this tranny weigh compare to the stock AWD transmission?
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Dave just breaks trannys so he has a bunch laying around.
I'd really be interested in knowing how much my auto trans weighs, all I know is I can lift it and set it down a few feet away but that takes almost everything I have in me.
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Powerglide is lighter, takes less power to turn, Same price to build (check www.summitracing.com or www.jegs.com), for most 4G63 use...won't need any building at all and honestly.....do you really think that a 4G63 can ever make enough torque to blow up a PG? The powerglide is behind many 2000+ V8s that produce over 1200-1500ft lbs of torque. The powerglide is actually stronger due to the less gearing, larger shafts, etc. The ONLY advantage to using a TH350 is the 3rd gear. But....that 3rd gear is a very tall gear. Mighty Mouse (Buschur's old car) tried running a TH350 in his RWD and could never muster better than a 10.3x. Switched to a powerglide and now run's mid 9's all day long W/O NOS.
Wiz
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