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Post Info TOPIC: HP saving trick
4-door Chevelle


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HP saving trick
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In my desire to gain at least a tenth of a second at the race track a fellow racer shared a possible trick. If I disable the alternator for the 13 seconds I am going down the race track I can save the draw of the alernator. I am not opposed to this trick as the battery should do just fine for that short period of time.

So ... I am needing the service of those much more schooled in the area of electronics than I. The voltage regulater has 4 connectors on it. The 4 connectors are labeled F  2  3  4:

F - blue wire in to harness and is one of the 2 wires in the connector on the alternator

2 - yellow wire in to harness and is one of the 2 wires in the connector on the alternator

3 - red wire in to harness to fusible link to horn relay

4 - brown wire in to harness out to ???

Would I interrupt the circuit in the blue wire to tell the alternator I don't need charging?



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Darren - Crystal, MN
1972 4-door Chevelle driver/racer
2003 Silverado 1500HD Crew Cab
Bowtieman427


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Are you sure they did not mean diconnect the alternator belt ? The mechanical turning of it takes some HP. The same holds true for the mechanical water pump, AC & power steering. I do not know what you would acheive by just electrically disabling it.

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Jim  -- Pine Island, MN
4-door Chevelle


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Yup, wire in a switch to tell the alt the system does not need a charge right now.

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Darren - Crystal, MN
1972 4-door Chevelle driver/racer
2003 Silverado 1500HD Crew Cab
Bowtieman427


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Here is a thread on Mustang Fourm
http://www.moddedmustangs.com/forums/v6-mustangs/147560-alternator-drag.html

Here is an article found on cheap easy ways to inclrease ET (HP to rear wheels basically free up what you have)

http://ezinearticles.com/?Drag-Racing-Horsepower&id=6500701

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Jim  -- Pine Island, MN
4-door Chevelle


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John D, care to weigh in on my electrical proposition?

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Darren - Crystal, MN
1972 4-door Chevelle driver/racer
2003 Silverado 1500HD Crew Cab
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