s4 vs s5 n/a transmissions
#1
s4 vs s5 n/a transmissions
so, the tranny on my gxl is toast. no reverse, and rarely 5th. and now the clutch is begining to say good bye. my s4 se is dead, and i'm wondering what if any differences there are between the two.
150k on the s5, fresh 75k on the s4. i've purchased an XTD clutch on ebay (hoping for the best) 6 puck sprung hub.
also a braided stainless clutch line from mazdatrix.
thanks in advance!!
150k on the s5, fresh 75k on the s4. i've purchased an XTD clutch on ebay (hoping for the best) 6 puck sprung hub.
also a braided stainless clutch line from mazdatrix.
thanks in advance!!
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#8
Rotary Enthusiast
There are differences in 5th gear ratioes between some S4 and S5 transmissions. There are also differences in the tailshaft housing mounting points. The S5 transmission has an internal damper on the output shaft whereas the S4 has a damper on the front of the driveshaft. Subtle differences, but something to keep in mind.
Hot_Dog
90 RX7 GXL
Hot_Dog
90 RX7 GXL
#10
They should be the same mounting wise, assuming you use the same tranny mounts. Even then, I don't think it matters.
As for the clutch, why didn't you just use a stock clutch? Unless you have a radical port job, you shouldn't producing the power to warrant a 6-puck clutch. At the most, all you need is an upgraded one from Racing Beat, for example. I have been running a stock clutch disk with an ACT pressure plate (34% stiffer than stock) for years with zero problems. Very smooth engagement, no chatter, easy to drive.
As for the clutch, why didn't you just use a stock clutch? Unless you have a radical port job, you shouldn't producing the power to warrant a 6-puck clutch. At the most, all you need is an upgraded one from Racing Beat, for example. I have been running a stock clutch disk with an ACT pressure plate (34% stiffer than stock) for years with zero problems. Very smooth engagement, no chatter, easy to drive.
#11
well, the $$$ side of life forced me to ebay, and that's what i found for $142 plus freight, so i figured that i can use that and upgrade later without having to replace the clutch again.
i also got the mazda trix stainless braided clutch line. a little flash, and i hope better pedal feel with the new clutch. i'll let ya know what happens when i get it in this weekend i hope.
and thanks for the info on the tranny. the s5 tranny shifter was loose in the middle, so i stuck the s4 shifter and ball into it, and notced the mounting plates are different.
but it works a little better.
i also got the mazda trix stainless braided clutch line. a little flash, and i hope better pedal feel with the new clutch. i'll let ya know what happens when i get it in this weekend i hope.
and thanks for the info on the tranny. the s5 tranny shifter was loose in the middle, so i stuck the s4 shifter and ball into it, and notced the mounting plates are different.
but it works a little better.
#12
ok, so i got the swap done. not a thing was different! well, other than the bolt under the rear mount was turned around on the s4. and yeah, this tranny is SOOOO much smoother!!
the s5 tranny was well used. black and shimmery. not good. and the input shaft was a little too wiggley.
and the xtd ebay special is workin good so far.
the s5 tranny was well used. black and shimmery. not good. and the input shaft was a little too wiggley.
and the xtd ebay special is workin good so far.
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