rb25det s1 vs s2

Discuss the RB20, RB25 and RB26 series engines.
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nomenai
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Joined: Wed May 17, 2006 12:40 pm

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what are the diference between s1 and s2?wich one is easier to tune beter?no problem to use and 5 speed transmission w and auto transmission swap?

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Kansei240sx
Posts: 1356
Joined: Mon Nov 01, 2004 10:17 am
Car: S13 - RB25 Circuit car
71 240z - street/track day car
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use the search
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BoostFab
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Joined: Wed Dec 03, 2003 8:23 am
Car: S13cp, S13fb, S14z
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neither version have no problem. 100% of the time it's the driver/owner that crap them up.

look into the sticky.
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USMCgetsome
Posts: 2030
Joined: Wed Apr 14, 2004 7:38 pm
Car: OWN S13.5 RB25DET/2003 G35
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ignition coils are different. s2 has no igniter chip. that's about it.
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