Alternator current capacity?

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T45
Posts: 1493
Joined: Fri Jun 09, 2006 1:12 pm
Car: King Kong powered Z32

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Does anyone know what kind of amps the stock alternator on a 92Q puts out?

Nevermind, a click of the giant blinking search button revealed 110 amps.


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qship96
Posts: 6624
Joined: Sun Nov 24, 2002 11:31 am
Car: 1996 Infiniti Q45

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at what rpm?
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Q45tech
Moderator
Posts: 14296
Joined: Tue Apr 30, 2002 3:19 am
Car: 1990 Q45 342,400 miles 22 years ownership with original engine
1995 G20t 5 speed 334,000 miles 16" 2002 wheels - 205/50/16 Sr20ve vvl

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> 34@1,300> 82@2,500>105@5,000 rpm

Use the ratio of pully diameter vs Crank diameter to calculate alternator rpm vs engine rpm. Roughly 2:1.........................30-40 amperes at idle.

Regulated voltage 14.1-14.7 depending on temperature.
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