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I was thinking about using a carbon 1 piece driveshaft. I was quoted about 1500 for one custom made using the original steel ends. Is that good, bad, normal? Anyone know who of some companies that make them?
maybe for track use a 1pc is good, but for street use with all the bumps and uneven surfaces, i say the regular OEM heavy steel pieces with a swivelling joint and bearing is your best bet for daily driving. just my $0.02
IG: @Baye30
FRONT VALENCE IS ZENDER!!! STOP FILLING MY PM BOX PPL!!!
I think if they use them on full size trash trucks that only drive on the street, in super heavy duty stop and go traffic, im pretty sure they'll do fine for a street car.
its not worth the money. when i was replacing my guibo i expected the driveshaft to be really heavy but when i unbolted it i relized i could lift it wiht my pinkey
I just removed my driveshaft earlier today. As a comparison it's noticably heavier than the one-piece steel driveshaft that was in my Camaro. For street cars I'm pretty sure that the only benefit to a two-piece driveshaft is that it's less prone to vibration than a one-piece. Also considering that the one-piece in that Camaro is still as good as new at 245,000 miles vs. my E30's destroying its u-joints at ~150,000 durability isn't an issue either.
I also would have killed for the E30's to be as easy to remove. Camaro driveshaft removal: Back car onto ramps. Remove 4 bolts holding u-joint to diff input. Pry u-joint out of mount with any handy screwdriver. Slide driveshaft forward, let it drop, pull it out of transmission. Done. Literally a 3 minute job from the time you open the garage door. Oh well, I suppose that's just the price to pay to drive a more refined car...
Making the driveshaft lighter makes a bigger difference in acceleration than removing the same amount of weight anywhere else because it's part of the rotating mass. That being said, unless you're doing serious competitive racing it wouldn't be worth the trouble and expense.
an aluminum driveshaft would be more than enough and then you wont see a notice able difference in power or performance. A friend of mine swapped his steel freaking 20 pound driveshaft in his mustang with a aluminum one that weighted around 11-12 pounds no real noticable difference though he said that it would shave .1 off his 1/4and he is make over 310 hp to the rear wheels.So I do not think that most E30 would gain anything by lightening the driveshaft rotational mass can be take off rear rotors with drilled ones and look into lighterweight wheels and tires before you really look at drivetrain lightening.
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