GlennWest Posted August 31, 2015 Report Share Posted August 31, 2015 I have found a 630 with a 230 wheelbase. If I get it I intent to single to front axle location. I am aware the driveshaft yoke has to be changed. Is the length good? I hear of new driveshafts being made. Why if just yoke need changing? Link to comment Share on other sites More sharing options...
Bill B Posted August 31, 2015 Report Share Posted August 31, 2015 different sizes and length (look at the 'nose) between the front axle (power divider) and the rear. Usually the nose is longer on the front diff. Things change but I haven't heard of a shaft stretcher being invented yet. - LOL Link to comment Share on other sites More sharing options...
GlennWest Posted August 31, 2015 Author Report Share Posted August 31, 2015 Oh it is short then. Yes that is new tube. Thanks. Link to comment Share on other sites More sharing options...
SIBERNUT Posted August 31, 2015 Report Share Posted August 31, 2015 W/o the power divider, shaft needs to be LONGER. Note that is a Metric tube, too. If you move the rear axle fwd, you "should" have it aligned. There are shims on the nose of the springs. Do you feel lucky? Link to comment Share on other sites More sharing options...
GlennWest Posted August 31, 2015 Author Report Share Posted August 31, 2015 I will find out correct pinion angle. I don't trust just transferring shims but I have read it works many times. Link to comment Share on other sites More sharing options...
Mark and Dale Bruss Posted August 31, 2015 Report Share Posted August 31, 2015 If you haven't watched the video from Greg Shields about moving an axle and the things that should be done to the drive shaft, you should. RV Haulers Videos. Link to comment Share on other sites More sharing options...
GlennWest Posted August 31, 2015 Author Report Share Posted August 31, 2015 Yes, it's rather strait forward. We once did this this with our race cars. Didn't have a lathe but ours always turned out good. Been welding all my life and making joints straight. And with a tig rig if it comes out with run out I can draw it back straight. Link to comment Share on other sites More sharing options...
SIBERNUT Posted August 31, 2015 Report Share Posted August 31, 2015 I was not talking about pinion angle, but that should be checked also. I meant the shims at the front of the spring where it makes a 90 degree bend over the mount Link to comment Share on other sites More sharing options...
GlennWest Posted September 1, 2015 Author Report Share Posted September 1, 2015 Thanks but I know how to align a axle. The springs are the same, front and rear, on an 05, right? Link to comment Share on other sites More sharing options...
ray.service Posted September 1, 2015 Report Share Posted September 1, 2015 Thanks but I know how to align a axle. The springs are the same, front and rear, on an 05, right? No they are not. On the Gen I's they are the same but early Gen II's (starting '04) they are different. Do not use the rear Z springs when moving that axle forward. Using the rear springs in the power divider position will cause the pinion angle to be >10 degrees up. Link to comment Share on other sites More sharing options...
GlennWest Posted September 1, 2015 Author Report Share Posted September 1, 2015 So I transfer axle not springs? Link to comment Share on other sites More sharing options...
RandyA Posted September 2, 2015 Report Share Posted September 2, 2015 Link to comment Share on other sites More sharing options...
RandyA Posted September 2, 2015 Report Share Posted September 2, 2015 Can't seem to get this right tonight. Posting doesn't want to work with above attachment or thumbnail. Anyway, IMHO, the most important part is having a pro shop build the drive shaft and balance it as well. The attachment (above, I think) is the bill for the drive shaft. Link to comment Share on other sites More sharing options...
GlennWest Posted September 2, 2015 Author Report Share Posted September 2, 2015 I will have to do driveshaft myself. I may scrap it and pay someone later but I weld for a living and always making straight joints. Can't see paying for this. Link to comment Share on other sites More sharing options...
RandyA Posted September 2, 2015 Report Share Posted September 2, 2015 I will have to do driveshaft myself. I may scrap it and pay someone later but I weld for a living and always making straight joints. Can't see paying for this. Be careful, Glenn. The deal is not just the welding - trueness can only be accomplished on a lathe. Balancing is important. Imbalance can ruin bearings in diff and u-joint costing much more later. Link to comment Share on other sites More sharing options...
GlennWest Posted September 2, 2015 Author Report Share Posted September 2, 2015 I may but a professional must. I have built shafts for our race cars but they were a lot lighter. They always run smooth. I had no lathe but they were true. Link to comment Share on other sites More sharing options...
Dollytrolley Posted September 2, 2015 Report Share Posted September 2, 2015 Not sure about the stock driveline you have but often to the naked eye it looks like the u-joint eyes are indexed zero-zero but often they are indexed slightly offset so that the joints do not toggle high or low at the exact moment during a rotation cycle. Â Once in a while our local balance shop is called in to balance a straight zero-zero index driveline and it can't be balanced because it is a joint-toggle condition not a balance problem. Â Drive lines can be simple.......and.......not so simple....... Â In my abused childhood we had too many drive lines on too many log trucks and washboard roads would hammer the slip-sleeves hard so we had to install new slip-sleeves fairly often so it is important to look hard at the original drive line configuration before waking it apart........once you cobble one together wrong it gets ugly fast........(don't ask......I won't tell)......... Truck drive lines have high mass and they can be a pain when they are........a pain....... Â Drive on..........(Drive line.......smooth....) Link to comment Share on other sites More sharing options...
NoDirectionHome Posted September 2, 2015 Report Share Posted September 2, 2015 Â Â trueness can only be accomplished on a lathe You can with a pair if "V" blocks and dial indicators, but for the reasonable cost and balancing, I think it would make sense to farm this one out, even at the low RPM HDT engines turn, the diameter squares the out of balance forces. Link to comment Share on other sites More sharing options...
ray.service Posted September 2, 2015 Report Share Posted September 2, 2015 So I transfer axle not springs? Exactly Link to comment Share on other sites More sharing options...
GlennWest Posted September 2, 2015 Author Report Share Posted September 2, 2015 Thanks. Most of the old posts on singling is gone. Maybe a sticky in order? Link to comment Share on other sites More sharing options...
Brad & Jacolyn Posted September 3, 2015 Report Share Posted September 3, 2015 Glenn, I have a 2004 630 singled to the front position. My WB is now 218". I left the frame the original length so I have a pretty big bed and lots of storage under it. I had it done in Canada before I brought it home so I do not know what they did for sure. What axle is on the truck. I carry a Smart on mine but I have the 14.6K axle so I have no weight problems. Â Brad Link to comment Share on other sites More sharing options...
GlennWest Posted September 3, 2015 Author Report Share Posted September 3, 2015 Hadn't found one with a 14k front axle. If I don't soon get some time off it will be sold though. Thought I would be off now but got rof Sunday and got call Tuesday to go to work. Link to comment Share on other sites More sharing options...
Mark and Dale Bruss Posted September 3, 2015 Report Share Posted September 3, 2015 Â Thanks. Most of the old posts on singling is gone. Maybe a sticky in order? Stickies won't protect a pruning of older posts. That is why pertinent information is moved into the resource guide. Link to comment Share on other sites More sharing options...
GlennWest Posted September 3, 2015 Author Report Share Posted September 3, 2015 I don't find singling info there. Just pros and cons, long vs short. Not info about generation 1 or 2 difference in springs, etc Link to comment Share on other sites More sharing options...
Mark and Dale Bruss Posted September 4, 2015 Report Share Posted September 4, 2015 There are the Greg Shields videos which cover virtually everything related. Link to comment Share on other sites More sharing options...
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