avidShelby Posted August 23, 2008 Report Share Posted August 23, 2008 Some of you are thinking about replacing your stock driveshaft with an aluminum one. This post presents some considerations... http://www.allfordmustangs.com/forums/2005...leshooting.html Link to comment Share on other sites More sharing options...
68fastback Posted August 23, 2008 Report Share Posted August 23, 2008 That's a great write-up Steve did. I'd just add that if anyone has ever seen what a car looks like after an out-of-balance one-piece DS detonates you will take all of Steve's comments to heart. One fellow with a GT500 felt a vibe on his 'budget' one-piece and decided to let it rip anyway. It came apart at the front joint and absolutely pulverized the bottom of the car, shattered the tranny and broke the drivers-side rear mount off the engine -- I guess easily $10-15K in damamge and your insurance isn't likely to cover it either. Based on what I've seen I like Dynotech alloy shafts. They've been at it for 80 years and do the majority of the NASCAR team shafts and many many NHRA/AHRA/etc race race shafts. Their SGT and GT500 shafts come in 4" and 3.5" and weigh roughly 19lbs (approx a 22 lb savings.) Evolution Performance (site sponsor here) sells them for both cars (SGT is about 1" longer than the GT500's). Dunno of anyone who has had a Dynotech shaft failure either. I'm sure there are other good ones too, but 80 years of race shafts speaks volumes, imo. Good luck with whatever shaft you pick and I can't overemphasize how important it is to resist falling for a 'bargain' shaft and, as Steve's writeup mentions, safety-hoops should be considered absolutely essential and any vibration should be taken seriously and relentlessly tracked down. Dan Link to comment Share on other sites More sharing options...
LuLu Posted August 23, 2008 Report Share Posted August 23, 2008 Some of you are thinking about replacing your stock driveshaft with an aluminum one. This post presents some considerations... http://www.allfordmustangs.com/forums/2005...leshooting.html Well done! Thank you for the link. Link to comment Share on other sites More sharing options...
69dejavue Posted August 24, 2008 Report Share Posted August 24, 2008 I have also been concerned about the quality of replacement drive shafts. I have also been in contact with another company, the Drive Shaft Shop, in Salisbury NC. They stated they make a 3.5" that is original and not a cut down Ranger Shaft. They are also experiementing with a 2 piece aluminum shaft to reduce NVH. Link to comment Share on other sites More sharing options...
ingram4868 Posted August 24, 2008 Report Share Posted August 24, 2008 Is this an issue with the S197 Mustang? I have not read about this being a problem. So why would someone want to change out the factory shaft? Link to comment Share on other sites More sharing options...
AstroDan Posted August 24, 2008 Report Share Posted August 24, 2008 Is this an issue with the S197 Mustang? I have not read about this being a problem. So why would someone want to change out the factory shaft? Less rotational mass means more HP to the rear wheels. Link to comment Share on other sites More sharing options...
ingram4868 Posted August 24, 2008 Report Share Posted August 24, 2008 Less rotational mass means more HP to the rear wheels. Thanks, I guess that makes sense. For this old geezer I really don't want my rear wheels spinning any faster. The darn car moves faster than my brain does these days. Link to comment Share on other sites More sharing options...
SGT2666 Posted August 25, 2008 Report Share Posted August 25, 2008 I talked to a manufacturer about the alloy drive shaft and his feeling was that the weight savings was not that significant because of the small diameter of the shaft. He recommended a Chomeoly shaft, stronger smaller diameter slightly heavier. Just a thought... Link to comment Share on other sites More sharing options...
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