crash98 Posted April 6, 2012 Share Posted April 6, 2012 so this morning i lost second gear in my 98 lgt. and was wondering about a sti transmission swap i heard that you have to swap out the clutch to make it a push or pull clutch. could i just swap the gear box or would i have to go this way this is my daily driver and a do drive pretty hard at times so id need a stronger transmission Link to comment Share on other sites More sharing options...
TbirdMan Posted April 6, 2012 Share Posted April 6, 2012 you would have to swap the rear diff with one of the proper ratio (the STi is not a direct bolt in) and a few other things too (IIRC mounts are different), as well as get a DCCD controller if you want full functionality. If you are breaking a 5MT with an EJ25 you are driving it wrong. more than likely it just wore out, but if you did break it, try not driving so hard, they are not designed to be dropping the clutch and whatnot. if you want an upgrade that is a bit easier, look for a WRX 5MT. stronger but not as pricy (you're looking at a few grand for a 6MT). Link to comment Share on other sites More sharing options...
crash98 Posted April 6, 2012 Author Share Posted April 6, 2012 ok so with the wrx 5mt is there alot of conversions that need to be done i know ive been beating on the tranny to hard i have a stage 1 clutch in it so i suspect thats part of the reason why it went all the other gears are fine but theres nothing in second Link to comment Share on other sites More sharing options...
whitetiger Posted April 6, 2012 Share Posted April 6, 2012 doing a 5mt from a wrx or legacy would be much easier and cheaper. as long as your rear end ratio is the same as the donor trans then you are good to go. you may need different front axles as your old box may use inner axels stubs. if you find a rear diff and trans pairing, you will be able to add a rear lsd to your car as well. Link to comment Share on other sites More sharing options...
crash98 Posted April 6, 2012 Author Share Posted April 6, 2012 thanks alot guys i figured that this is a good excuse to upgrade now Link to comment Share on other sites More sharing options...
WESTcoast Posted April 6, 2012 Share Posted April 6, 2012 If you do what the open up your transmission you can go with a different gear sets, such as RA gear set, 06 WRX gears or even the 09 WRX gears. You will still need a supporting diff for the matching gear sets but you will now know the condition of the tranny rather than putting something in that has a not that known history. Link to comment Share on other sites More sharing options...
crash98 Posted April 6, 2012 Author Share Posted April 6, 2012 ive heard some about a different type of clutch operation is the wrx clutch a pull type clutch or push would i then have to replace the clutch? Link to comment Share on other sites More sharing options...
TbirdMan Posted April 7, 2012 Share Posted April 7, 2012 there are two different throwout bearing types, and I am not 100% familiar with them, but I am pretty sure the clutch itself is the same. Link to comment Share on other sites More sharing options...
crash98 Posted April 7, 2012 Author Share Posted April 7, 2012 ok so i looked into everything and im gonna have to jsut replace the trans with the normal 5mt from lgt was wondering if 97 or 99 trans would still bolt right in. Link to comment Share on other sites More sharing options...
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