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Get the stock Supra belt from Napa, and cut one of the ribs off with a box cutter. The belt is sewn together, if you're careful (not slow as a snail careful though), you cut one of the ribs off and don't touch the stitching of the other rib.

The belt gives you no trouble.

They're sewn side by side, and kind of glued to the top. So after a little cutting, you can yank it off, but it's best to cut it all the way, so you don't have any excess.
 

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That makes no sense to do since there is a 6-rib option that it only different by 3mm. You are buying a new belt anyways, why take the chance of screwing up a belt you just bought?
 

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It'd be really hard to screw it up CelWa. You'd just have to go at it like you're trying to rip a present apart with a knife haha.

Neither of the other belts I bought worked. One was too tight, one was...I forgot what problem I had with it. And yes, I bought both the Camry and the Escort Belts. I couldn't get them to work after reading this entire thread. So I returned both and got the stock Supra belt one more time.

Trust me, it's hard to mess the belt up. If you follow any of the mods on this site, you can mod the belt haha.
 

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Edit: See post 112 and 113 : http://forums.celicasupra.com/showpost.php?p=534865&postcount=113

I just had someone PM be the same Question. I could be wrong, but I think just pinning the S and IG terminal to the new plug would do it, then the charge light mod to turn the light off(but I think the light won't come on, even if there is an issue, I could be wrong. best to follow his thread)

You might even just need the IG terminal. If thats right, you could just feed it with a switched 12V to the IG terminal, and that should turn it on.

Daves Charge light mod:
http://forums.celicasupra.com/showthread.php?t=3013


 

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I bet he is the same one that PMd me. I have no idea why he wants to go with the 90a alt when the 140a is just as easy to find and less work since he would have to change out some things to run the wider belt system.
 

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Yes, it was me. After searching the forum threads and not finding a specific answer I started asking various members that I thought might know what to do. So if you received a PM from me today consider yourself special lol
It is for a 7MGTE swap into an 82.
 

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I went to the 6M in my 83, and all I had to do was cut the square plug off, and match the right wires and conntect them to the round plug, no charge light issue, and my charging system works fine.
 

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I will go back and edit my posts. I just rechecked my info. Looks like all Supra's used an internal regulator. So even on a 79, all you'd have to do is re-pin the new plug when going 5/6/7M or even 1/2JZ. Whoops on my part!
 

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Does anyone know if the 1992 Lexus ES300 alternator is the same as the 1992 Toyota Camry V6 alternator or not? Would this mod be a good idea to do with the Camry alternator upgrade since it is 80A now instead of the stock 60-65A? The mod is the wire from alternator to positive battery terminal with fuse.
 

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as long as its 80amps and has the same connectors dude, you should be fine. if u have any more questions, or need a visual, go to an auto parts store ask the clerk for that year, model alternator and compare it with one of the 92 v6 camry one.
 

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Ok, I have had the fun of verifying the 140A swap with the later style 5m and 6m. A 3 rib belt works fine, and a 4 rib looks like it would work too, but the pulley is off enough on the alt, that a 5 rib does not line up quite right. :SM130 (1):

Update for using the 140A alt with later style belts (yeah the cutting a rib or 2 method worked fine):






It lines up very nicely, and has not made any noise yet. Also besides the washers (spacers) between the lower mount and the back of lower pivot of the alt, the re-wiring, and the belt, that is the only mods that you should have to worry about since the alt itself with the stock pulley (the one in my pics is the stock one, but the fan is a Toyota one) should work just fine.
 

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I asked the guy at Kragen about the Camry and ES300 alternator. He said they were both the same. But it is easier to just ask for an ES300 alternator since some Camry's came with 70A alternators. Just make sure you get the one for 3VZFE engine with the ROUND plug, I've seen some with a small oval-shaped looking plug.

Does anyone know if the DENSO alternators at RockAuto.com are the same as Nippondenso? Whats the difference between DENSO vs Nippondenso?

What belt can I use with the Lexus alternator if I swap pulleys? Just reuse the stock belt?

What belt would be best to use if I DO NOT swap pulleys? I see 4 listed that works. 1990 Ford Escort, 1987-90 Mustang 4 cyl, Ford 2.3L, and 1992 Camry. Does anyone know which one fits the best? Has anyone had any problems with the bearings on the water pump or power steering pump since these are only 6 rib belts instead of the stock 7 rib?
 

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Ok, I am going to be putting the 92 camry alternator on my 5m. Is there a tried and true method to removing the pulleys? One that doesn't involve a special tool that costs more than the alternator itself, lol. Bare with me since I have never taken pulleys off alternators before and I haven't taken my bad one out yet, I am just assuming it is a pain in the ass to unbolt the pulleys, lol. I was going to hold them in a vice with the vice holding the pulley as I attempted to unbolt it. Am I on the right track? Anyone been there done that?
 

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Impact wrench and typically a 24mm socket and just hold the pulley in your hand. If not, bring it over here and I can do it for you since I have done more than enough alternator rebuilds/swaps.
 

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Discussion Starter #120
The reason I tried to specify the 92 Camry is because it is the only year that has the round plug. The other years may or may not have round plugs.

Best best on the belts is just to get all the belt and then return the ones you don't use.

The best way to tighten the alternator belt is to tighten it to what you think is tight enough start the car and if it squeaks then tighten is a little more. Repeat as necessary until the squeaking goes away. At that point will will apply the minimum force on the water pump while still providing adequate grip on the alternator.

I am not sure about denso being nippondenso.

I asked the guy at Kragen about the Camry and ES300 alternator. He said they were both the same. But it is easier to just ask for an ES300 alternator since some Camry's came with 70A alternators. Just make sure you get the one for 3VZFE engine with the ROUND plug, I've seen some with a small oval-shaped looking plug.

Does anyone know if the DENSO alternators at RockAuto.com are the same as Nippondenso? Whats the difference between DENSO vs Nippondenso?

What belt can I use with the Lexus alternator if I swap pulleys? Just reuse the stock belt?

What belt would be best to use if I DO NOT swap pulleys? I see 4 listed that works. 1990 Ford Escort, 1987-90 Mustang 4 cyl, Ford 2.3L, and 1992 Camry. Does anyone know which one fits the best? Has anyone had any problems with the bearings on the water pump or power steering pump since these are only 6 rib belts instead of the stock 7 rib?
 
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