What alternator to use for s13 sr20det?

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insane727
Posts: 2
Joined: Fri May 07, 2010 2:04 pm
Car: 1989 nissan 240 W/sr20det

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Im in the process of fully building a sr20det. I heard i can use a J30 alternator for higher cranking amps. Will this alternator bolt right up or do I have to do some modification.

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PyR0NiAk
Posts: 3851
Joined: Sun Mar 01, 2009 4:29 pm
Car: S13 SR W/ T2 GT3071R .86AR, JWT S4 Cams, 810cc Injectors,Z32 MAF, JWT tuned ECU 87mm 9:1 Compression CP pistons, Manley Rods
Location: Ohio
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KA alternator will bolt up, but you'll have to swap the pulley for an SR one..
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