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Front driveshaft won’t fit

k51977blazer

k51977blazer

1/2 ton status
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Feb 11, 2007
Posts
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Location
Cocoa Florida
I just bought a 1976 k5 new process 203 transfer case 4 inch suspension lift when I bough the blazer both driveshafts where not on the truck the rear fit the front maybe needs about 2 inches cut off does anyone have a measurement of there’s and I’ve looked at new driveshafts and they all have the 2 u joints at the end mine is not like that it just a single u joint on both sides
Thanks everyone
 
k51977blazer said:
I just bought a 1976 k5 new process 203 transfer case 4 inch suspension lift when I bough the blazer both driveshafts where not on the truck the rear fit the front maybe needs about 2 inches cut off does anyone have a measurement of there’s and I’ve looked at new driveshafts and they all have the 2 u joints at the end mine is not like that it just a single u joint on both sides
Thanks everyone
Click to expand...
Sounds like that may not be the factory driveshaft. I do believe all the 203 cases had the CV joint (double joint) on one end, and a single joint at the axle
 
Bent77 said:
Sounds like that may not be the factory driveshaft. I do believe all the 203 cases had the CV joint (double joint) on one end, and a single joint at the axle
Click to expand...
Yeah that’s what I’ve been finding out should I get one of those ones are just shorten this one I can take a picture of the driveshaft when I get home and the yoke on the 203
 
k51977blazer said:
Yeah that’s what I’ve been finding out should I get one of those ones are just shorten this one I can take a picture of the driveshaft when I get home and the yoke on the 203
Click to expand...
I’ve shortened driveshafts for 205s. Maybe some of the 203 knowledgeable can answer more questions. @Capt Ron @onetonbb74
 
Post a pic of your front output.

If both ends of your front shaft bolt on, just get your driveshaft shortened a few inches, local shop does this fairly cheap.
 
That's the early style 203 output yoke, do you have the old u-bolts and nuts?

That setup will work just fine, I'd just shorten the shaft you have to fit and slam new u-joints in there and call it good.
 
The driveshaft shop should tell you how to measure the shaft length and then can determine how much needs to be shortened.
 
If I remember correctly stock is 4 bolts that come in from the back side not u bolts with nuts. They're a bit of a hassle also. I might have all of the parts at home. I can post up picks later.
 
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Ok thanks everyone I didn’t know which route to go if I should just shorten this one or go more with a stock one
 
I do not seem to have an older 203 style on hand.
If this is a rig you plan on keeping for a while and if any serious wheeling is gonna be involved I would convert to a flange style output https://www.offroaddesign.com/1350-...lot-for-oe-type-saginaw-3r-cv-driveshaft.html
They are way more user friendly if you are trying to change/repair on the trail and if you are not carrying a spare chances are someone you might be wheeling with would have this style as opposed to the older style.
 
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The older style is not readily available as it once was.
They have become pricey due this.
The flange style for the 203 started around 77.
Possible some on the forum might have one laying around after a 205 swap if you want stock config.
 
k51977blazer said:
Ok thanks everyone I didn’t know which route to go if I should just shorten this one or go more with a stock one
Click to expand...
Capt Ron said:
If I remember correctly stock is 4 bolts that come in from the back side not straps with nuts. They're a bit of a hassle also. I might have all of the parts at home. I can post up picks later.
Click to expand...
blazer74 said:
Are you Familiar with CRS Driveshafts. China based out of NY?
Click to expand...
no im not I haven’t heard of them
 
Capt Ron said:
I do not seem to have a 203 style on hand.
If this is a rig you plan on keeping for a while and if any serious wheeling is gonna be involved I would convert to a flange style output https://www.offroaddesign.com/1350-...lot-for-oe-type-saginaw-3r-cv-driveshaft.html
They are way more user friendly if you are trying to change/repair on the trail and if you are not carrying a spare chances are someone you might be wheeling with would have this style as opposed to the older style.
Click to expand...

Are you Familiar with CRS Driveshafts. China based out of NY?
 
Yes, even if its the wrong length as long as the 3r cv is there you can have a new one made from the parts.
 
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