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Old 09-07-2011, 07:45 AM   #41 (permalink)
oil pan 4
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Location: NewMexico (USA)
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Sub - '84 Chevy Diesel Suburban C10
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Back when the I had converted to electric fans it could barely hold the load at idle with the head lights and the big fan on. When I would apply the brake the volts would always drop.

I will try the 95 amp alt first. Spinning the standard alternator faster will likely just burn it out sooner and still not provide the amps I need. I have nearly doubled the power needed at idle with the electric fuel pump (5amps) and electric coolant pump (6amps).
When the fans (3 of them) need to run theres 12+5+5 more amps right there. 99% of the time I can get away with just running the larger 12 amp fan.
At night turning on the head lights and running lights is about another 12 and the brake lights draw 4 or 5 more as needed.

I plan on building a glassless solar panel that puts out 18.5v (open circuit) that should be good for pushing about 6 amps into the electrical system at 14.5 volts. If it works well I might build a second one.
And I will install my 21v @ 0.4 amps salvaged panels to apply power to the batteries all the time when the sun is out (no danger of over charging, it takes nearly an amp to hold voltage at 13.2v and 2 amps to maintain 14.5v).

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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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