i have a manual gearbox here and have been told it could be a rb20, rb30 turbo or rb30 n/a box is there a way to tell them apart? tim

mx7 resverse and neutral switches are on the drives side i think about 5cm apart. n/a i haven't realy seen one but i think they have the switches on the other side not 100 % sure but if you count the splines it will be 25.

tim u **** ill cry if i sold u a rb20 box tht cheap**crys** lol

physical size.

size of the actual input shaft in the gearbox is bigger on mx7 (turbo). you cant really tell the difference in rb20 and na without opening the box. but believe there is a stamp on them never seen it on mine though.

the side of it RP71C #2 its got 25 on the input and 28 on the other end. tim

mx7. its huge, and the neutral and reverse switch are right next to each other on the same side. ****ty pics but you get the idea mf5 is half the size, neutral and reverse switches are at opposite ends. as for the rb20 box, no idea.

hmmm so its either a mf5 or rb20 box now lol tim

it'll be a rb20 box man if its got that RP71c on it, i can get a pic of my spare box if you want its out of a r32 rb25de (same as a rb20det box i believe) vl na boxes have less ribbings than the skyline ones

heres a pic of my boxs http://i16.photobucket.com/albums/b3...t/gearboxs.jpg (http://i16.photobucket.com/albums/b33/smkdout/gearboxs.jpg) check this... that is usually what a vl na box looks like, he belives its a gtst box... who knws.. http://www.trademe.co.nz/Trade-Me-Mo...n-58574802.htm (http://www.trademe.co.nz/Trade-Me-Motors/Car-parts-accessories/Nissan/Engines-drive-trains/auction-58574802.htm)

Hahahahahaah its a rb20 box yay so how much power can they handle????? tim

about the same as an NA box apperantly lol

dont say that dam now i carnt rub it into camerons face hmmmmm but still nar nar nar nar i got a rb20 box B1atch tim

rb20det boxs have double synchros.. Surely theyd be much smoother then a mf5 box

well i will pull it apart 2moz and have a look inside it later tim

Might be a bit late but I found another difference to distinguish between MX7 and MF5. The plate around the shifter on an MF5 has 6 bolts. One of these has a 17mm head. Not sure how many bolts on the MX7's but the one with the 17mm head doesnt exist.

If you can't pick it up by yourself its a mx7.

Quote: Originally Posted by furryfrog If you can't pick it up by yourself its a mx7. Some people have only ever seen one box, not both.

Is the RB25DET box any different (strengthwise/exteriorwise) then the 26DETT?

Quote: Originally Posted by Magnum06 Is the RB25DET box any different (strengthwise/exteriorwise) then the 26DETT? Dont quote me on this, but Im pretty sure the 25 box is simply the 26 box minus the transfer case.