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long live italy.
Joined
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636 Posts
Discussion Starter #1
my 93 4.3l "Z" needs an alternator.
i wanna slap it on before night time rolls around...
how many amps do i need in an alt?

also-
i have underdrive pulleys (crank/alt.)
 

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chics dig a phat jimmy
Joined
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202 Posts
my 93 4.3l "Z" needs an alternator.
i wanna slap it on before night time rolls around...
how many amps do i need in an alt?

also-
i have underdrive pulleys (crank/alt.)
i have a 180amp alter took my stock one and rebuilt it but iv got a ton of amprage draw with the system, msd, and AC ( the heat index is 105% today) and if you dont use street pulleys you will lose amprage i would say atleast 100-120amp iv got a 88 4.3 z vin
 

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chics dig a phat jimmy
Joined
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202 Posts
thankyou i was considering over 100amps at least.

had to make sure!
yea if you have any sort of amp draw go at least 100amps but like i stated if you have AC ,amps ,power package go bigger cause that pulley will drop a good bit of amprage of the alter
 
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