Will Auto KA driveshaft work with RB20?

Post by **goofynick6** » Wed Feb 11, 2004 4:25 pm

:help Well good news, I'm getting a complete RB20 motorset with everything except intercooler and clutch this Monday. $900 plus $100 for my buddy to go pick it up for me with his truck.

Anyway, I thought about the driveshaft issue, and I know the stock KA is supposed to bolt right up, but I have an auto trans, so didn't know if anyone had info about whether or not it might still work or if it would be the wrong length..etc.

I have a J30 LSD which I think already made the driveshaft a little tighter than usual by like .5" I think.

Thanks! Let me know if you have any good info!

Nick

Website · Post by **frosted flakes** » Wed Feb 11, 2004 4:25 pm

Hello,

I have the auto rb20det transmission. I HAD to get a custom driveshaft made as the stock KA driveshaft was too long. Its gunna be even longer with that j30 vlsd.

The auto rb transmission is a few inches longer than the auto ka transmission so that is why u need a new shorter driveshaft. I just got a one piece made for $220 at a local driveshaft place.

Post by **goofynick6** » Wed Feb 11, 2004 4:25 pm

I forgot to add I'm gonna use the manual rb20 transmission.

Nick

Post by **PROJECTRB240SX** » Wed Feb 11, 2004 4:25 pm

SHOULD BE DIFFERENT YOKES.

Post by **goofynick6** » Wed Feb 11, 2004 4:25 pm

PROJECTRB240SX wrote:SHOULD BE DIFFERENT YOKES.

Darn..

ANyone have a driveshaft for sale?

Nick

Post by **PROJECTRB240SX** » Wed Feb 11, 2004 4:25 pm

THEY HAVE S14 DRIVESHAFTS ON EBAY

Post by **goofynick6** » Wed Feb 11, 2004 4:25 pm

Yeah, There's an aluminum unit for $400, but I don't think I wanna spend that much! I guess I'll just have to keep an eye out.

Nick

Post by **Andrew85cm** » Wed Feb 11, 2004 4:25 pm

will an '89 240sx 5 speed drive shaft bolt right up to a manual rb20. Someone told me the sohc engines were different but I didn't know just wondering?~ANDREW~

Post by **PROJECTRB240SX** » Wed Feb 11, 2004 4:25 pm

YES THEY DO...... THAT IS WHAT I HAVE RIGHT NOW.

Post by **goofynick6** » Wed Feb 11, 2004 4:25 pm

Sooo what's different here from the auto to manual? Is it the rear or front sections? Is the auto too long?

I'm pricing them out on car-part.com and I can choose front or rear sections, and if I choose rear, I choose ABS or NO ABS.

All I know is I have rb20 manual trans and j30 lsd in my S14 and I need a new driveshaft...heh.

Any help?

Thanks,Nick

Post by **PROJECTRB240SX** » Wed Feb 11, 2004 4:25 pm

you will need a s14 manual driveshaft front and rear section.

Post by **goofynick6** » Wed Feb 11, 2004 4:25 pm

abs or non abs doesn't matter?

Thanks,Nick

Post by **PROJECTRB240SX** » Wed Feb 11, 2004 4:25 pm

nope it doesn't

Will Auto KA driveshaft work with RB20?

Will Auto KA driveshaft work with RB20?

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