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post #1 of 12 (permalink) Old 04-10-2010, 09:04 PM Thread Starter
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driveline help

hey, pretty new here to the board and to the so cal area. Have a 1989 toyota ext cab with sas and 6" front and rear lift. the front driveline is currently not on because the angle from the t-case to the axle is too big.... the driveline won't match up. I just bought the truck, and previous owner told me that the 6 degree shims would make the angle work. Was curious if there is anybody in the area with any experience with this sort of thing. Would really appreciate any and all help, maybe somebody with a welder to help me weld in the shims. I don't think it will take long, just take apart the front end and put it back together, just don't have a lot of tools or room... the auto shop on base is pretty backed up and I'm a little iffy on doing it by myself. PM if you are up to helping me out.... I'll even throw in a 6 pack of your beer of choice haha

here is an awesome link, that i have been going through and trying to understand more...
http://www.4crawler.com/4x4/CheapTri...n-Measurements

I measured myself and the length from the top of the tcase flange to the top of the axle flange is 30 7/16. from bottom to bottom is 29 1/2. the only problem is that's for a single cardan driveshaft, i don't really understand how to get the measurement for a double cardan driveshaft.

bottom line, would love help if somebody is willing. Like i said, i have 6 degree shims that the previous owner said would work, but i wanted to figure it out myself before i welded them on.... heres my driveshaft i intent to put on...



any help is appreciated... sorry for the long read... I know that rotating knuckles is the best, but seems a lot harder.
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post #2 of 12 (permalink) Old 04-10-2010, 10:38 PM
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post #3 of 12 (permalink) Old 04-10-2010, 11:04 PM Thread Starter
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thanks... I am located in laguna niguel... just north of san clemente.... I'll give them a call... thanks.
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post #4 of 12 (permalink) Old 04-11-2010, 02:01 PM
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6* shims seems like way too much to me. 2* shims helped on my buddy's truck, the angle is still off, but the combo of shims and clearancing the cardan joint made it work for the time being. shims will affect your caster too, don't forget that. does the truck have dual cases? do you plan on doing dual cases if not?

'98 tacoma extended cab SAS Dana 44 with the works
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post #5 of 12 (permalink) Old 04-11-2010, 06:28 PM Thread Starter
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truck does not have duals and I don't plan on going with duals for a while. Currently it is my DD, which is another reason I am trying to get this right, i do not want to effect my caster too much or steering.
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post #6 of 12 (permalink) Old 04-11-2010, 06:28 PM Thread Starter
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6* shims seems like way too much to me. 2* shims helped on my buddy's truck, the angle is still off, but the combo of shims and clearancing the cardan joint made it work for the time being. shims will affect your caster too, don't forget that. does the truck have dual cases? do you plan on doing dual cases if not?
what year and lift combo does your buddies truck have?
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post #7 of 12 (permalink) Old 04-11-2010, 10:56 PM
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Originally Posted by yota4me View Post
what year and lift combo does your buddies truck have?
i think its a 92 or 93 with a 5" all pro kit, i'm not 100 % sure though

what front axle are you running?

is that a 15* joint? a 30* joint might solve the problem

'98 tacoma extended cab SAS Dana 44 with the works
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post #8 of 12 (permalink) Old 04-12-2010, 10:38 PM
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6* shims are a bad idea they will effect the way ur truck handles immensely not to mention put ur tierod alot closer to the spring pack itself

honestly ur best bet is get a highangle driveline or go dual cases

give yotamasters a call 1 951 279 0220 they will be able to better explain

tell eric cheezy told u to call
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post #9 of 12 (permalink) Old 04-13-2010, 07:16 PM Thread Starter
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6* shims are a bad idea they will effect the way ur truck handles immensely not to mention put ur tierod alot closer to the spring pack itself

honestly ur best bet is get a highangle driveline or go dual cases

give yotamasters a call 1 951 279 0220 they will be able to better explain

tell eric cheezy told u to call
thank you a bunch. I started to look into it more, and realized how much it effects steering, truck currently is my DD, so I want to avoid that completely. Probably will go with duals now, or get a new driveline alltogether. Thanks for the number, i really appreciate it.
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post #10 of 12 (permalink) Old 04-13-2010, 09:59 PM
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Originally Posted by yota4me View Post
thank you a bunch. I started to look into it more, and realized how much it effects steering, truck currently is my DD, so I want to avoid that completely. Probably will go with duals now, or get a new driveline alltogether. Thanks for the number, i really appreciate it.
Do you have a picture of your front axle? Those 6* shims will be too much.

Messing with the drive shaft will be one way to fix your problem but not the best. Duals and another drive shaft with the cv clearenced will be your best bet if your not going to rotate the knuckles.

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post #11 of 12 (permalink) Old 04-14-2010, 12:15 AM
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You might also want to consider switching the front CV to a u-joint as the u-joint will give you more of an angle. We recently did this with my brothers front driveshaft...

This was the advice we got from Yotamasters...Like Justin (84SoCal) said Yotamasters knows their shit!
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post #12 of 12 (permalink) Old 04-14-2010, 08:49 PM Thread Starter
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Originally Posted by SiRMarlon View Post
You might also want to consider switching the front CV to a u-joint as the u-joint will give you more of an angle. We recently did this with my brothers front driveshaft...

This was the advice we got from Yotamasters...Like Justin (84SoCal) said Yotamasters knows their shit!
yeah i called them and thats exactly what they said as well. I def didn't want to add a shim, mess with steering and all that... thanks for the help guys
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