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Author Topic: Alternator swap  (Read 548 times)

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Offline hammy221

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Alternator swap
« on: May 07, 2020, 07:17:20 PM »
Anyone know if the GXP alternator will fit on the base solstice? Stock the base is 120 amp and the gxp is 140 amp. Looking at the schematics they both seem to use the same control wires. I just don’t know if they will bolt up. 

Offline Sol Asylum

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Re: Alternator swap
« Reply #1 on: May 07, 2020, 10:21:33 PM »
If you look in a GM parts catalog you will see the base and GXP use the same part numbers for the alternator, the one I looked at showed they were all 140 amp too none were 120.

So to answer your question they must bolt up or they would be different numbers.  Why they show 3 part numbers if they are all 140 amp is beyond me maybe different suppliers.
2007 Aggressive GXP

Offline hammy221

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Re: Alternator swap
« Reply #2 on: May 07, 2020, 11:35:29 PM »
Ya. When I went to gmc dealer they show 2 part numbers one 120 amp one 140 with the 140 being for the gxp.

Offline Steelmesh

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Re: Alternator swap
« Reply #3 on: May 15, 2020, 12:25:25 PM »
If the electrical connector is the same it should bolt on.  The LSJ alternator spins backwards fyi because of the SC drive system on that version.
2006 Solstice #1458, Twincharged LE5/LEA, 5757+M62, Werks exh manifold, Tial bpv/wg, Cams, dual meth, 40 PSI, Kappadapt clutch hose/flywheel bolts/trans mount, Aisin AR5, Stage 5 clutch
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