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Old 01-07-2007, 04:21 AM   #1
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From Intense Racing www.intense-racing.com

$74.99

"Your alternator is designed to put out a specific voltage, generally 13.8 volts. The only problem is when there'* a greater demand on the electrical system, like at wide-open throttle (WOT), the alternator falls a little short. The Casperí* Electronics V-Plus Volt Booster is designed to overcome voltage taper at WOT by stepping up the alternator voltage 2.2v. at and above 70% throttle. The Result? More power to your fuel pump and ignition system! This unit is completely plug-and-play, with no wires to cut or tap into. Includes all necessary hardware and instructions."
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Old 01-07-2007, 07:18 AM   #2
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does it only cover the S2? Edit: just noticed it says for S2, but can it be adapted to older gens?

and whats up with that? why does your alternator LOSE voltage at WOT? I would think it would be the other way around
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Old 01-07-2007, 09:09 AM   #3
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What about a smaller Alternator pulley?
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Old 01-07-2007, 02:46 PM   #4
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As far as I can tell the PCM regulates the output of the alt because I have never noticed an increase in voltage with the engine reving.
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Old 01-07-2007, 02:49 PM   #5
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A smaller pulley and beefed up internals will increase current, not voltage. I know. I have one built like that (160 amp output).

The only way to modify voltage is to modify the voltage regulator in the alt or with Casper'* product. But don't expect a performance gain. Again, this is one of those things designed for the guy who'* trying to push from 12.005 on the quarter mile to 11.995.

I don't know of anyone that uses one.
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Old 01-07-2007, 02:56 PM   #6
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It looks cool frrm a geeks standpoint. If I could get a sloid 14.9V continously, I'd be all set
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Old 01-07-2007, 03:37 PM   #7
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Quote:
Originally Posted by wjcollier07
does it only cover the S2? Edit: just noticed it says for S2, but can it be adapted to older gens?

and whats up with that? why does your alternator LOSE voltage at WOT? I would think it would be the other way around
WJ Most of the 87-91 Bonnies will put out 14v most of the time...

The 92+ are regulated buy the PCM which applies a voltage feed to lite the field... On the 95 when I crank it up it shows 12v for a few seconds and then you see the gage swing right to 14...

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Old 01-07-2007, 03:39 PM   #8
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Quote:
Originally Posted by Cheetah
It looks cool frrm a geeks standpoint. If I could get a sloid 14.9V continously, I'd be all set
I think by the time you get to 15v you are starting to charge the life out of the battery... 14.0 all of the time would be good...

But I do believe that the 00+ guys run a solid 14.2-14.5

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Old 01-07-2007, 03:55 PM   #9
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My running voltage ranges from 14.5 - 14.8 v

If yours doesn't you may be a candidate for that gismo.
I notice it only boosts when the throttle position is 70% or higher, so it won't help you when you are idling or cruising around town.
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Old 01-07-2007, 05:37 PM   #10
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Don't run in it in an 00+ Bonine, I tried it and the car cries about overvoltage from the alternator.
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