Stock Alternator? Make upgrades? Porsche?
I'm looking to get a 72 SB currently stock. Plans for a motor of some kind. Rotory mabey.. but if I got a Type 4 with upright cooling I'm curious about the factory alternator. I've got a sub from my old car I'd want in my SB a 12" Pioneer TS-W304C powered by a USX-2100 that's got a 35A blade fuse. (300 Watt) can the elecrical system handle something like that? I could sell it and get something smaller. Or do they make bigger alts?
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you can get a bosch alt. in 75 and 95 amp. The stock al82n is 55amp.
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If end up running a Type 1 engine or a Type IV with upright conversion stay away from generators, they absolutely suck for powering a system.
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Did the SB's even have generators? Are they 6 volt or 12?
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71 and 72 Supers had Gen. they went to an alt. with external regulator in 73 then an alt. with internal regulator in 74.
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That I didn't know..
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ok i got a question, i have a 71 super beetle with a t1 and i took out the generator and put in an alternator, everything is workin fine and dandy but do i still need that thing behind the drivers seat, i forget what to call it, like a power converter or regulator. but now that i got the alternator do i still need it?
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Do you have an internaly or externaly regulated Alt.?
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im pretty sure it's internal.
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On my '72 1302 I converted to a internally regulated alternator long ago, and tossed the stock voltage regulator...excess weight.
Nick |
What alts can you use? What's the power rating? Mods to make them work?
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Stock Type 1 style alternators come in 55 amp, 75 amp and 95 amp. They will work with any type 1 shroud or a DTM shroud for type 1 or type 4.
Porsche alternators must be used with a 911 style shroud. I don't know all the amperage ratings of the Porsche alternators. |
I have asked this question on the typ4rum too, but can I use my T1 regulator (my T1 alternator is 50A) with a 35A alternator on a porsche fan unit? Will the alternator still charge correctly? Or will I have to get another regulator suitable for the 35A output? I would love to use the original regulator as that would be neat, and would save me having to buy another...
Chris |
good way to fry the alt. i ordered a '73 911 regulator. was about $45 US. i think i got it from Vertex Auto out of Miami. good prices there.
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Why would it do that?
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ah, retract that statement. doing too many things at one time. :rolleyes: that would apply to people like me that were running a generator. that regulator obviously will not work with the porsche alt.
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:rolleyes: You just can't get the staff these days! :)
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heres an easy way to get the most out of your alternator, Im gonna try and get some photos of my stereo and alternator install and make a tutorial for audio wiring, Upgrade all your wires running from the alternator to some high quality 4gauge or higher welding cable or like high perf stinger wire, which i used. Everyone likes capacitors but this usually does the trick, most of the time the amp is starving for current throught the thin wire, did you know that on my type IV it was less than a 8 gauge wire running fromt eh alternator to the starter, then 4 gauge to the batt. really bad wires. now its all nice 4 gauge, with a optima deep cycle. My system should be installed completely in a week or two. and oh boy, its gonna be loud. 1500 watts, more later.... if your going with a 70 amper for a type 4 good luck finding a cooling boot. I made one and also had rigged up a fan for under the pulley..
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