SR20 Auto vs Manual ECU's (#62 vs #63 redtop)

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EludeR
Posts: 15
Joined: Fri Jul 01, 2005 5:21 pm

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I recieved a #63 ECU with my motorset, and i was wondering if their are any substatantial diffrences with the stock rom's (if i'am seeing any decrease in performance). It does not throw any check engines lights or anything. Is the speed limiter on this ECU moved up or removed all together ? Will their be any problems getting this ecu rom tuned (daughter board installed) in the near future.

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EludeR
Posts: 15
Joined: Fri Jul 01, 2005 5:21 pm

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anyone ?
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SpeedRacer1
Posts: 3144
Joined: Fri Jul 26, 2002 7:44 pm
Car: 1990 240SX, G35

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No real differences. Higher idle at times on the Auto ECU. Also the auto ECU will ignore the TPS signal, so that may mess with modding it internally later. Try to get a manual ECU for upgrading.
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