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Re: Re: Re: Pinion angle
On Sat, 12 May 2007 03:42:51 +0300, "Bill Spiliotopoulos"
<vspili@yahoo.com> wrote: >I am not aware if it is possible to have a double CV rear driveshaft for a >Wrangler. >The driveshaft is so short that there might not be enough length to >accommodate the slip joint and CVs at both ends. >Also I haven't seen one provided off-the-self, so it would require ordering >and buiding to specifications, which would probably be more expensive than >using the common way of a single CV shaft. It wouldn't justify the extra >engineering just for a 2.5" lift. When ever I need a speacail drive shaft, I have it built at a local drive shaft shop. I do not depend on online prefabbed ones. Even if I wind up paying a few extra bucks, I also wind up getting EXACTALLY what I want, not the closest fitting off shelve unit. Because of this I never really looked at what is availble ready made so I cannot comment on ready made over the counter solutions. ----------------- TheSnoMan.com |
Re: Re: Re: Pinion angle
On Sat, 12 May 2007 03:42:51 +0300, "Bill Spiliotopoulos"
<vspili@yahoo.com> wrote: >I am not aware if it is possible to have a double CV rear driveshaft for a >Wrangler. >The driveshaft is so short that there might not be enough length to >accommodate the slip joint and CVs at both ends. >Also I haven't seen one provided off-the-self, so it would require ordering >and buiding to specifications, which would probably be more expensive than >using the common way of a single CV shaft. It wouldn't justify the extra >engineering just for a 2.5" lift. When ever I need a speacail drive shaft, I have it built at a local drive shaft shop. I do not depend on online prefabbed ones. Even if I wind up paying a few extra bucks, I also wind up getting EXACTALLY what I want, not the closest fitting off shelve unit. Because of this I never really looked at what is availble ready made so I cannot comment on ready made over the counter solutions. ----------------- TheSnoMan.com |
Re: Re: Re: Pinion angle
On Sat, 12 May 2007 03:42:51 +0300, "Bill Spiliotopoulos"
<vspili@yahoo.com> wrote: >I am not aware if it is possible to have a double CV rear driveshaft for a >Wrangler. >The driveshaft is so short that there might not be enough length to >accommodate the slip joint and CVs at both ends. >Also I haven't seen one provided off-the-self, so it would require ordering >and buiding to specifications, which would probably be more expensive than >using the common way of a single CV shaft. It wouldn't justify the extra >engineering just for a 2.5" lift. When ever I need a speacail drive shaft, I have it built at a local drive shaft shop. I do not depend on online prefabbed ones. Even if I wind up paying a few extra bucks, I also wind up getting EXACTALLY what I want, not the closest fitting off shelve unit. Because of this I never really looked at what is availble ready made so I cannot comment on ready made over the counter solutions. ----------------- TheSnoMan.com |
Re: Re: Re: Pinion angle
On Fri, 11 May 2007 17:47:24 -0700, "Carl S"
<carlsaiyed@REMOVE.hotmail.com> wrote: >Wouldnt a CV on each end cause the shaft to flop up and down? I cant imagine >4 joints on a single driveshaft... No more than he front drive axles on a front wheel drive car of truck with IFS. As far as strength, axle shafts handle more torque than any drive shaft. It is quite feasable and doable with correct design and parts. ----------------- TheSnoMan.com |
Re: Re: Re: Pinion angle
On Fri, 11 May 2007 17:47:24 -0700, "Carl S"
<carlsaiyed@REMOVE.hotmail.com> wrote: >Wouldnt a CV on each end cause the shaft to flop up and down? I cant imagine >4 joints on a single driveshaft... No more than he front drive axles on a front wheel drive car of truck with IFS. As far as strength, axle shafts handle more torque than any drive shaft. It is quite feasable and doable with correct design and parts. ----------------- TheSnoMan.com |
Re: Re: Re: Pinion angle
On Fri, 11 May 2007 17:47:24 -0700, "Carl S"
<carlsaiyed@REMOVE.hotmail.com> wrote: >Wouldnt a CV on each end cause the shaft to flop up and down? I cant imagine >4 joints on a single driveshaft... No more than he front drive axles on a front wheel drive car of truck with IFS. As far as strength, axle shafts handle more torque than any drive shaft. It is quite feasable and doable with correct design and parts. ----------------- TheSnoMan.com |
Re: Re: Re: Pinion angle
On Fri, 11 May 2007 17:47:24 -0700, "Carl S"
<carlsaiyed@REMOVE.hotmail.com> wrote: >Wouldnt a CV on each end cause the shaft to flop up and down? I cant imagine >4 joints on a single driveshaft... No more than he front drive axles on a front wheel drive car of truck with IFS. As far as strength, axle shafts handle more torque than any drive shaft. It is quite feasable and doable with correct design and parts. ----------------- TheSnoMan.com |
Re: Pinion angle
On 12 mayo, 08:41, SnoMan <a...@snoman.com> wrote:
> On Fri, 11 May 2007 17:47:24 -0700, "Carl S" > > <carlsai...@REMOVE.hotmail.com> wrote: > >Wouldnt a CV on each end cause the shaft to flop up and down? I cant imagine > >4 joints on a single driveshaft... > > No more than he front drive axles on a front wheel drive car of > truck with IFS. As far as strength, axle shafts handle more torque > than any drive shaft. It is quite feasable and doable with correct > design and parts. > ----------------- > TheSnoMan.com Thanks to all who replied, I have a beter perspective on this now. Thanks for the welding advise Bill S.. Although I will have a good welder do it, I'll make sure they take this into account. Did some angle measuring last night and found out the the stock pinion angle is up 2 degrees and the TC output is down 2 degrees. The operating angle of the stock DS is right at 10 degrees (12 degrees from the floor). Also, based on trig calculations assuming a super short SYE will be used, the plan is to: 1) weld the perches so that the pinion points up 8 degrees from parallel to the floor 2) shim down with a 6 degree shim untill the lift is installed 3) once lift is installed, shim the opposite way to get the required angle, looks like it should require less than 6 degrees even in the worst case 4) use a regular CV style DS (one u-joint at axle pinion and double u- joint at TC) Does this sound reasonable? No issues with 6 degree shimming? |
Re: Pinion angle
On 12 mayo, 08:41, SnoMan <a...@snoman.com> wrote:
> On Fri, 11 May 2007 17:47:24 -0700, "Carl S" > > <carlsai...@REMOVE.hotmail.com> wrote: > >Wouldnt a CV on each end cause the shaft to flop up and down? I cant imagine > >4 joints on a single driveshaft... > > No more than he front drive axles on a front wheel drive car of > truck with IFS. As far as strength, axle shafts handle more torque > than any drive shaft. It is quite feasable and doable with correct > design and parts. > ----------------- > TheSnoMan.com Thanks to all who replied, I have a beter perspective on this now. Thanks for the welding advise Bill S.. Although I will have a good welder do it, I'll make sure they take this into account. Did some angle measuring last night and found out the the stock pinion angle is up 2 degrees and the TC output is down 2 degrees. The operating angle of the stock DS is right at 10 degrees (12 degrees from the floor). Also, based on trig calculations assuming a super short SYE will be used, the plan is to: 1) weld the perches so that the pinion points up 8 degrees from parallel to the floor 2) shim down with a 6 degree shim untill the lift is installed 3) once lift is installed, shim the opposite way to get the required angle, looks like it should require less than 6 degrees even in the worst case 4) use a regular CV style DS (one u-joint at axle pinion and double u- joint at TC) Does this sound reasonable? No issues with 6 degree shimming? |
Re: Pinion angle
On 12 mayo, 08:41, SnoMan <a...@snoman.com> wrote:
> On Fri, 11 May 2007 17:47:24 -0700, "Carl S" > > <carlsai...@REMOVE.hotmail.com> wrote: > >Wouldnt a CV on each end cause the shaft to flop up and down? I cant imagine > >4 joints on a single driveshaft... > > No more than he front drive axles on a front wheel drive car of > truck with IFS. As far as strength, axle shafts handle more torque > than any drive shaft. It is quite feasable and doable with correct > design and parts. > ----------------- > TheSnoMan.com Thanks to all who replied, I have a beter perspective on this now. Thanks for the welding advise Bill S.. Although I will have a good welder do it, I'll make sure they take this into account. Did some angle measuring last night and found out the the stock pinion angle is up 2 degrees and the TC output is down 2 degrees. The operating angle of the stock DS is right at 10 degrees (12 degrees from the floor). Also, based on trig calculations assuming a super short SYE will be used, the plan is to: 1) weld the perches so that the pinion points up 8 degrees from parallel to the floor 2) shim down with a 6 degree shim untill the lift is installed 3) once lift is installed, shim the opposite way to get the required angle, looks like it should require less than 6 degrees even in the worst case 4) use a regular CV style DS (one u-joint at axle pinion and double u- joint at TC) Does this sound reasonable? No issues with 6 degree shimming? |
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