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View Full Version : sr20det/ka24de alternator


apexi240sx
07-21-2005, 02:37 AM
does anyone know if i can use the KA24DE alternator on my sr20det by swapping out the pullies ONLY?? or does it require more mods then that??

2forty
07-21-2005, 04:15 AM
change the housings and pulley.... then youll be all set!

apexi240sx
07-21-2005, 12:26 PM
if i dont do that, i just have mine rebuilt..... Heavythrottle told me that too

PROJECTRB240SX
07-21-2005, 01:50 PM
You Are Going To Lose 10 Amps Of Charge Power When Going To A Ka Alternator.... Ka = 80amp, Sr = 90amps.

projectRDM
07-21-2005, 03:28 PM
Only the S14 SRs are 90 amps. S13 SRs are 80 amps. So are all US model S13s, base model Zenki S14s, and all Kouki S14s.

Only Zenki S14 SE models came with the 90amp unit here in the US.

PROJECTRB240SX
07-21-2005, 05:21 PM
my redtop has a 90amp alternator.... designated with a 90a on the casing.

projectRDM
07-21-2005, 06:39 PM
Someone replaced it in Japan. Good deal that you got it.

PROJECTRB240SX
07-21-2005, 08:55 PM
if thats the case then I'm lucky I guess.... its even got a brand new pulley.