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Can Someone Identify This Gearbox?

Sammy B
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Sammy B Contributor

Sammy B

Posted
Posted (edited)

Hey all, Ive got a 32gtst with a standard rb20 in it, and what i thought was the standard box, but have been told this is not an RB20 box.

Just trying to work out what it is, and if it's ok to continue using it in my car/or what I should sell it as.

Notice the gearbox is mounted using only 2 holes, and also the shifter sits slightly forward:

Any help would be great,

Cheers - Sam

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Edited by Sammy B
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The Dan Grand Master

The Dan

Posted
Posted

That looks like a CA/SR box, is the yoke sticking out, at the rear of the box? that crossmember is bolted in backwards aswell by the looks of it

CA/SR has the starter motor bolts facing the other way and no the crossmember is around the right way. The high side is the exhaust/passenger side

turboedsloth Grand Master

turboedsloth

Posted
Posted

That gearstick position is what happens when you put RB20 manual into RB20 auto body. The holes are in different locations. Not a problem, except it causes the rubber boot to push the gear stick backwards a little when in odd numbered gears.

My 32 was auto before its conversion and i don't have this problem

Sammy B Contributor

Sammy B

Posted
  • Author
Posted

Have you had your vehichle fasted? You can see if it came from factory with an auto.

No, I have not had it fasted. That may help work out if it was perviously auto, but I still have no solid idea what that gearbox is from. Also if it is a ca/sr box is there any reason why I shouldnt continue using it?

Any thing i should check/pictures i could take to help determine what it is?

toffy Veteran

toffy

Posted
Posted

Well, so was mine, and I do (although it's not a problem). Must be different by year or something.

could be a r31/vl gearbox . as for the hole position , i vaguely remember a friend of a friend of a friend of a mate telling me that they spaced the front crossmember/engine mount points (or something like that) slightly different in the auto (something about the bellhousing on the auto bla bla) .

Disclaimer: don't take this information as gospel , i didn't personally discover this nor have any intrest at the time of what the guy was talking about so information is fairly sketchy

GTSBoy Grand Master

GTSBoy

Posted
Posted

could be a r31/vl gearbox . as for the hole position , i vaguely remember a friend of a friend of a friend of a mate telling me that they spaced the front crossmember/engine mount points (or something like that) slightly different in the auto (something about the bellhousing on the auto bla bla) .

Disclaimer: don't take this information as gospel , i didn't personally discover this nor have any intrest at the time of what the guy was talking about so information is fairly sketchy

I've had both an RB20DET box and the current RB25DE box in there and the stick position is dead the same. Apart from ratios, those two boxes are identical anyway. Can't comment on stick position of RB30E box, as I have had one within 20' of my car.

waxracing Experienced

waxracing

Posted
Posted

You have the wrong mount on the back as well. There is about 5 different brackets for nissan. they are a,b,c,d,e

I think you need the ( a ) bracket for that conversion and it will line up with the bolt holes for the original mount

webber Proficient

webber

Posted
Posted

i still reakon, it is a short type fs5w71 bolted to an RB20 bell housing.

same crap as they are talkign about below (but obviously dif. combination of boxes, most of the bell housings are the same length, but the main shafts vary in length after the sandwich plate, and the rear of the box can be longer & shorter depending on what it is or in, sometimes you have to change the input shaft or the front bearing plate that bolts to tht bell housing. you get what i am saying

http://club-s12.org/v3/index.php?topic=12333.0

Sammy B Contributor

Sammy B

Posted
  • Author
Posted

Just checked the plate on the firewall, appears it did used to be auto (reads RE4R01a)

If its working fine just leave it there

Working fine, but the clutch is on it's way out, so the box has gotta come out either way (just a matter of whether it goes back in or not)

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