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-   -   Driveshaft spacer fabrication questions (https://forums.turbobricks.com/showthread.php?t=296763)

SuperSleeper 06-14-2014 01:48 PM

Old ford rangers actually have a spacer on the diff shaft yoke. Iirc its about the same size as the guibo on a 740. Drill the holes straight and rock that badboy. Its also made from forged steel.

sbabbs 06-14-2014 11:16 PM

Okay the length of the M90 driveshaft and other measuring from here.

http://i513.photobucket.com/albums/t...ps7f3ede74.jpg

To here.

http://i513.photobucket.com/albums/t...psbadc834e.jpg

http://i513.photobucket.com/albums/t...ps0ed98808.jpg

Driveline on top is 740 with Getrag 265 five speed transmission. 28 1/2 inches.

Next driveline below that is 240 with M47 and it is 24 inches.
I got it from Harold I think he put a 740 center support on it...

The two below that are 740 with M46 and those are 20 1/8 inches.


Now the one you need is the bottom one 740 with M90 and it is 29 1/4 inches.

I showed those other ones as they are all guibo connectors to the tranny.

You can see on the top one the custom getrag one the part that is rusty is the added tube. Basically they cut the stock m46 tube off and welded a longer on in it's place. 120mil on the tubing wall. 60mil can twist and break if drag racing and 500hp..

Only driveline that might work as is, I don't have one.. 740 M47 would be the one that would be closest. Get one of those. Maybe someone here has one and can measure it..

Simon

DET17 06-15-2014 07:11 AM

Simon,

Are the M47 and M90 Guibo connections exactly the same? I posted pics of my M90 front halve propshaft for the OP in the M90 thread...measured 744mm (from memory). What I don't know for a fact is if all Guibo inputs are the SAME dimensionally. I don't have an M47 front half to measure.

Here's my M90 front half shaft:

[IMG]http://i699.photobucket.com/albums/v...140606_004.jpg[/IMG]
http://i699.photobucket.com/albums/v...140606_003.jpg


Another solution that hasn't been discussed in this this thread.....beg a Euro TBer to buy and ship the OP the piece he needs.....and done. :roll: No cutting, welding, balancing required.

AdmiralSenn 06-15-2014 09:54 AM

Quote:

Originally Posted by DET17 (Post 4929966)
Simon,

Are the M47 and M90 Guibo connections exactly the same? I posted pics of my M90 front halve propshaft for the OP in the M90 thread...measured 744mm (from memory). What I don't know for a fact is if all Guibo inputs are the SAME dimensionally. I don't have an M47 front half to measure.

Another solution that hasn't been discussed in this this thread.....beg a Euro TBer to buy and ship the OP the piece he needs.....and done. :roll: No cutting, welding, balancing required.

I have an M90 guibo that came with my transmission that I will compare to my M46 prop shaft this afternoon to answer that question. According to the all-you-need-to-know megathread they're the same but I've seen some other posts that say they aren't. :e-shrug: Will post results in that thread.

I found a few more driveline shops I am going to try as well but after my previous experiences I'm not optimistic.

I've already contacted someone in Germany (the guy who built the car this is going in) who can get the prop shaft, but at the time he advised me not to pursue it because of the high shipping costs. Probably my best bet at this point though, because at least it'll be the right part.

sbabbs 06-15-2014 12:28 PM

Guibos are all the same... Only difference is say the bmw M5 quibo is a little thicker. I have m46's, m47's, m90's, and BMW getrag 265 and they are all the same.

sbabbs 08-06-2020 02:55 PM

Bump this thread has those much needed driveshaft lenghts... I will look for the pic to reupload for you all.


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