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  #11  
Old 04-15-2014, 11:34 AM
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DenCo40 DenCo40 is offline
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I have a spare one (1977) that's already pulled you can borrow. PM me if you are interested.
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  #12  
Old 04-15-2014, 06:54 PM
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Quote:
Originally Posted by DenCo40 View Post
I have a spare one (1977) that's already pulled you can borrow. PM me if you are interested.
Thanks Jim, I will probably take you up on that rather than have Marco pull his. I will shoot you a PM to see when a good time might be for me to swing by.

Justin
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  #13  
Old 04-15-2014, 11:34 PM
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glad you got a solution, let me know if you end up needing mine instead!
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  #14  
Old 04-16-2014, 03:43 PM
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Rzeppa Rzeppa is offline
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I think Marco's will have a different companion flange pattern than 75-78.
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  #15  
Old 04-16-2014, 07:07 PM
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Quote:
Originally Posted by Rzeppa View Post
I think Marco's will have a different companion flange pattern than 75-78.
I thought they just had a different spline but the same bolt pattern.

http://cruiseroutfitters.com/tech_flange.html

Justin
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78 FJ40, Rear Locker, 33's, power steering, sbc and so much more left to do.
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  #16  
Old 04-16-2014, 08:21 PM
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Quote:
Originally Posted by Bruiser View Post
I thought they just had a different spline but the same bolt pattern.

http://cruiseroutfitters.com/tech_flange.html

Justin
HAHA! That's a reprint of a tech article Rob Mullen published in Toyota Trails back in the '90s. Good to see Kurt giving attribution. I have a copy of the issue around here somewhere and I remember when it came out...

I know from personal experience with broken pinions and spare 3rd members, that the multitude of companion flange bolt patterns and even bolt diameters is a huge issue with 3rd member (and driveshaft) trail spares. Among the reasons I carry an air impact in my trail tools is to use a CO2 bottle with higher pressure than OBA to get pinion nuts off in order to put the original companion flange on the new spare to fit the driveshaft.

When Rob rode with me at Cruise Moab 2000, he admitted that that particular graphic was based on limited experience and that he came across exceptions all the time, but it was still helpful to TLCA members, and I certainly agree with him.

My best advice is to (try to) mate the driveshaft with the 3rd member (or t-case) and see if it fits. FWIW I am running with a mini truck yoke on the t-case end on my '87 FJ60 - NOT the round pattern depicted in the graphic. The original yoke was not the round pattern either.
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  #17  
Old 04-16-2014, 10:14 PM
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so the best course of action is to see if mine fits if he needs it.. otherwise assume it doesn't.. which may be incorrect... but it may be moot since there is an earlier vintage available?

or best advice may be to simply measure and see if it'd work?

Quote:
Originally Posted by Rzeppa View Post
HAHA! That's a reprint of a tech article Rob Mullen published in Toyota Trails back in the '90s. Good to see Kurt giving attribution. I have a copy of the issue around here somewhere and I remember when it came out...

I know from personal experience with broken pinions and spare 3rd members, that the multitude of companion flange bolt patterns and even bolt diameters is a huge issue with 3rd member (and driveshaft) trail spares. Among the reasons I carry an air impact in my trail tools is to use a CO2 bottle with higher pressure than OBA to get pinion nuts off in order to put the original companion flange on the new spare to fit the driveshaft.

When Rob rode with me at Cruise Moab 2000, he admitted that that particular graphic was based on limited experience and that he came across exceptions all the time, but it was still helpful to TLCA members, and I certainly agree with him.

My best advice is to (try to) mate the driveshaft with the 3rd member (or t-case) and see if it fits. FWIW I am running with a mini truck yoke on the t-case end on my '87 FJ60 - NOT the round pattern depicted in the graphic. The original yoke was not the round pattern either.
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Last edited by rover67; 04-16-2014 at 10:36 PM.
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  #18  
Old 04-18-2014, 06:59 AM
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Quote:
Originally Posted by rover67 View Post
glad you got a solution, let me know if you end up needing mine instead!
Looks like we may need to test it. Jim can't seem to locate his. I am going to put my old lift back on today and will shoot you a PM with the measurements.

Justin
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78 FJ40, Rear Locker, 33's, power steering, sbc and so much more left to do.
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  #19  
Old 04-20-2014, 07:37 AM
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TonkaToy TonkaToy is offline
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Got a few 40 shafts sitting here gathering dust. What length are you needing?
I don't know what year they are out of.
Still sorting out my conversion. My 64 truck 'needed' a motor swap too and it jumped to the top of the priorities! Ironically, I need driveshafts built for it now.
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  #20  
Old 04-20-2014, 08:35 AM
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Quote:
Originally Posted by TonkaToy View Post
Got a few 40 shafts sitting here gathering dust. What length are you needing?
I don't know what year they are out of.
Still sorting out my conversion. My 64 truck 'needed' a motor swap too and it jumped to the top of the priorities! Ironically, I need driveshafts built for it now.
I need one that is 25.25 -27.25 inches long, fully compressed.

11 mm bolt holes
60.0 x 68.5 mm bolt hole pattern on the flange.

If you have one, that would be great. If you have an extra shaft with that pattern, I would take it, even if it is not the right length.

Justin
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