STD Maintenance General Alternator upgrade options

Alternator upgrade options

Alternator upgrade options

 
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martureo
GTA2056V

92
06-18-2016, 08:02 AM #1
I've got a 603 being put in a s123. Because of the fitment I'm going to run an electric radiator fan as the primary. The current alternator is 70amp. The fans I'm looking at say they max out at a 22 amp draw.

Should I be looking for a higher amperage alternator? What's the minimum I can get away with?

1983 300TD
1984 300D
1995 E300 (sold)
martureo
06-18-2016, 08:02 AM #1

I've got a 603 being put in a s123. Because of the fitment I'm going to run an electric radiator fan as the primary. The current alternator is 70amp. The fans I'm looking at say they max out at a 22 amp draw.

Should I be looking for a higher amperage alternator? What's the minimum I can get away with?


1983 300TD
1984 300D
1995 E300 (sold)

MFSuper90
Budget Builder

1,533
06-19-2016, 08:42 AM #2
I honestly wouldn't worry about it, is their other electric item that you will be using that will draw 48amps?
Especially if you set up your electric fan to be controlled by a thermostat, because then it will probably only kick on every once in a while

'82 300D -3" straight pipe, ALDA deleted, 3in1 glowshift gauge, HX30, egr-less manifold, A/W intercooler Big Grin
'14 Ram 6.7l cummins -G56 handshaker, wishing it was deleted         
MFSuper90
06-19-2016, 08:42 AM #2

I honestly wouldn't worry about it, is their other electric item that you will be using that will draw 48amps?
Especially if you set up your electric fan to be controlled by a thermostat, because then it will probably only kick on every once in a while


'82 300D -3" straight pipe, ALDA deleted, 3in1 glowshift gauge, HX30, egr-less manifold, A/W intercooler Big Grin
'14 Ram 6.7l cummins -G56 handshaker, wishing it was deleted         

bricktron
'77 240D

174
07-02-2016, 07:32 PM #3
it's cheaper to diagnose the problem: get a voltmeter and see if battery potential sags after using the fan.


english red rat rod 1977 240D, OM617.952 burning B99.9, iron 4-speed & 2.88 diff, 195/60/R14 on alloys, 5mph bumpers, battery in the trunk, 25mm swaybar, 4x ECE H4 lamps, double brake lamps, deleted sunroof, export zoll & california blue plates




bricktron
07-02-2016, 07:32 PM #3

it's cheaper to diagnose the problem: get a voltmeter and see if battery potential sags after using the fan.



english red rat rod 1977 240D, OM617.952 burning B99.9, iron 4-speed & 2.88 diff, 195/60/R14 on alloys, 5mph bumpers, battery in the trunk, 25mm swaybar, 4x ECE H4 lamps, double brake lamps, deleted sunroof, export zoll & california blue plates




 
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