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> Alternator Swaps Anyone???
post Apr 16, 2011 - 1:13 PM
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rkelly_83543

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I want to do a high output alternator for my ’94 Celica GT. I have already done a ton of research before coming to this conclusion. Here is my issue…THERE FREEKIN’ EXPENSIVE!!! So after more research I discovered a couple of possible solutions that wouldn’t cost a boat load of money. The problem? I can’t find any information of whether or not anyone has ever done this with our car.

Option #1 140 Amps
Swap a GM CS144 alternator into the car and modify the mounting to make it fit. Also, I would have to modify the wiring of course to make it work. This bad boy is big though and I am worried about the clearance behind the alternator as there is not much room between the alternator and the heat shield for the headers (stock config).

Option #2 120 Amps
Try an alternator from a Lexus (since Toyota make would probably do better). I have no idea if this would fit or even if the plugs are different. I was considering maybe an alternator from a ’94 Lexus SC400.

With both of these options, I don’t want to end up staring at a battery light on my dash. I was to make everything mesh with the electrical system as best as possible. Even though I’m from Idaho doesn’t mean that I was my car to look like it! laugh.gif
So what do you guys think? Is it possible to do without a bunch of mods? I live in a condo so I am not able to weld or fab anything.
Thanks for your input!
 
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post Jun 1, 2011 - 7:40 PM
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delusionz



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The idea of a cap is to take excess power from the highs and feed it on the lows giving you a more constant ~13v.

That's a given if your music collection consists of low frequency test tracks, and you listen to it at max volume and max gain the entire time you drive, your stock charging system wont keep up. Personally I'd find that a little irritating so I don't drive like that.

The only charging your battery should need is whatever it used to crank the starter motor and to replenish the very very low drain of an alarm/immobiliser system and to keep your clock, radio, ecu settings, etc..

I certainly noticed an improvement by adding a cap to an entirely stock wiring on a previous Celica, when the bass thumped the headlights no longer dimmed. This was with a 1000W amp and a Pioneer 1200W dual voice coil 12" sub.

This post has been edited by delusionz: Jun 1, 2011 - 7:48 PM


--------------------
Mike W
1996 Toyota Celica ST205 GT-FOUR
GT2860RS turbine, TiAL mvr44, JE 86.5φ piston, Clutchmasters FX400, APEX P-FC
269awhp / 273ft-lbs

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