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View Full Version : '91 cams and ECU

OptionZero
10-05-2003, 01:19 PM
I have a '97 240sx, and I got the S13 '91 Cams for a quick, cheap upgrade.

Because my car is an automatic, though, i started collecting parts for a 5spd swap. If i use a '91 5-spd ECU, will that negate the advantage gained from the more aggresive '91 Cams? I am not doing the double exhaust cam, just straight '91 intake/exhaust cam.

It is my understanding that '91 cams were more aggressive, but had a crappy ECU, where the S14 had the more aggresive ECU, and the crappier cams...

So putting the '91 cams and ecu would result in no net gain on an S14...
Kid Zelda
10-05-2003, 02:49 PM
You can't use the 91 ecu

OBI vs OBII
OptionZero
10-05-2003, 08:02 PM
Thats what i thought. Flywheel from '91 KA should still be good right?
Kid Zelda
10-05-2003, 08:28 PM
Yup, flywheel is ok
OptionZero
10-05-2003, 10:35 PM
What else is totally interchangeable? Tranny itself is fine i know, except maybe a bolt or two?

Clutch pedal, master cyl, slave cyl, drive shaft?
Kid Zelda
10-05-2003, 10:41 PM
Drive shaft = NO
Clutch slave cyl = YES

Clutch pedal & Clutch Master cyl , it will fit and work .. not sure if you'll into any problems
OptionZero
10-06-2003, 01:16 AM
Cool, i potential deal for the clutch stuff for $20, i might as well swoop on it then. Thanks.