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Arne

Now taking orders - 240Z to 280ZX alternator adapters!

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Good news in several ways! I've hooked up with a source that will make the "Plug-N-Play 240Z Alternator Upgrade Adapter" to my specs. And the production version is frankly better in many ways than I had hoped.

1.) It is now the small, weather-resistant and self-contained unit I had originally envisioned. (See pictures below.)

2.) It is made with a factory-style connector, and new brass terminals. The necessary diode is self-contained.

3.) Better yet, the final version is cheaper than I had thought it could be made. The final price is $15.00 each, INCLUDING postage within the US. Contact me for shipping outside the US. A small volume discount is available for quantities of 10 or more. Contact me for that as well.

So here's the scoop - I can only do this via money orders at this time. PM me for the address to mail it to. Figure 7-10 days turn-around (plus first class mail delivery) once I receive payment.

Here are the pictures, and the instructions. (Instructions will not be printed and shipped with the adapter, to hold down on costs. Please download it here instead.) The alternators that I know for a fact will work are from '81-83 280ZX, both turbo (70 amp) and non-turbo (60 amp). I've been told that other Nissan alternators may work as well (Maxima, etc.) but can't verify that.

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240Z to 280ZX alternator.pdf

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Arne:

At this price, I think that you have a viable product here.

I'll be ordering a couple of them in a few weeks.

Are you producing them on an "as ordered" basis, or do you plan to have some quantity "in stock" to fill orders?

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At this time, probably as ordered. Depends somewhat on the demand.

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Just to clarify - these adapters are for 240Z's wishing to use the '81-83 internally regulated 280ZX alternator. Later 260 and 280Z's are not supposed to need these. Other Nissan alternators may work as well, but I can't confirm that.

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quick question: the pulley needs to be swapped from the old 240z alternator onto the new 280zx alternator, right? Also, has anyone done this swap, and solved an overcharging problem they might have had?

Sorry to hijack your thread, just wanted to ask, I might contemplate the adapter after I check alternator prices.

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Damn Arne, Great idea!!! Kinda Makes me wish that I had thought of it..:cheeky:

Looks very clean and also looks like I could even hide it between the engine harness and the frame rail without any one seeing it. NICE......

Dave.

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quick question: the pulley needs to be swapped from the old 240z alternator onto the new 280zx alternator, right? Also, has anyone done this swap, and solved an overcharging problem they might have had?

Sorry to hijack your thread, just wanted to ask, I might contemplate the adapter after I check alternator prices.

No, this is a good question. In my experience the 280ZX pulley should work fine, no need to swap it. You might need a new or different belt, but that should be all. If you've got any local wrecking yards that will guarantee their parts, you should be able to grab and go.

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Damn Arne, Great idea!!! Kinda Makes me wish that I had thought of it..:cheeky:

Looks very clean and also looks like I could even hide it between the engine harness and the frame rail without any one seeing it. NICE......

Dave.

Thanks for the kind words, Dave. Your help and support during the trek to get here has been invaluable. These parts wouldn't be available today without your help.

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Well done! That is really nice looking. It looks infinitely better than my homemade creation of an adapter. Good luck with the production, Arne.

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Great piece Arne, I'll be up for one of these shortly. One question, I wanted to upgrade the lights with harnesses that Dave is making. If I go this route do I need to still do that

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Tom:

Going to the ZX alt will increase the maximum amperage available in your car and eliminate the external VR. And that is all it does.

But it does NOTHING to eliminate the fact that ALL of the power to your headlights goes through the Headlight Switch, and through the Fuse Box. This is the promary benefit to Dave's product.

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Garth is right, the alternator upgrade is a totally separate issue. The ZX alternator will help recharge your battery faster, and can produce more amps in normal driving. The internal regulator is more accurate and reliable as well. But it doesn't address the issues that Dave's harnesses do.

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Thanks guys, thats what I thought but wanted to make sure. Looks like I will be ordering from Arne and Dave!! Man you electrical guys are awesome, every time I do something with wires involved it burns up. Thanks again!!

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Thanks guys, thats what I thought but wanted to make sure. Looks like I will be ordering from Arne and Dave!! Man you electrical guys are awesome, every time I do something with wires involved it burns up. Thanks again!!

Believe it or not, there was a time in my life that all I would do is think about touching a wire and then stumble out of the car-black crap all over my face and the only words that I could choke out were "me touch wire, tangs went POOF" LOL

Thats when I decided to learn a little more before jumping in face first. I guess it paid off, in more ways than one.

Dave.

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heres a questions, why would you want to upgrade the alternater?

Most people upgrade their alternators because of a few facts, like...

1) Higher powered headlights (H-4's) require more amperage than standard headlights

2) adding fog lights usually require more amperage from the alternator

3) if you have or are planning on running any kind of stereo equipment or amplifiers. they need more amps than the Oem alternator can supply.

These are only a few examples of why the upgrade may be neccesary. And remember that the stock 240Z was designed for your basic 240Z's electrical system and adding anything other than what they planned for will most likely require a bigger alternator.

I have a 200 watt amp that makes my stock alternator scream when I turn up the strereo. So I myself will be doing the alternator upgrade in the near future.

Hope that helps,

Dave.

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Another common mod that eats more amps than stock is electronic ignition.

And the internal voltage regulator in the ZX alternator is more reliable, and delivers a better regulated voltage than the stock points-type regulator. It's just a better system.

But even better is that the alternator swap is totally reversible. Going to show the car and want to look stock for a weekend? You can restore it back to factory in 15 minutes or so.

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I want to order 2, one for a spare??? I will get out the money to you Fri or Sat this week. If possible would you accept a personal check? I will be glad to have you wait until it clears (no problem for me) I just hate paying someone for moneyorders and I am not in a big hurry. Just let me know. Thanks again. This will go great with Dave's Headlight harness and parking light harness that I have installed. TOP NOTCH STUFF GUYS don't wait or you may miss out. Easy to install and what a difference!!!

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Hey, Arne!!

Have you set up your merchant PayPal account yet? It's real easy (and free). But, there is a 2-3% fee when you receive payment.

I would LOVE to order an adapter.

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Here is a summary of answers to some of the questions I have received this week:

1.) The two alternators that I know work are the units from '81-83 280ZX, both turbo and NA. The turbo is a 70 amp unit, the NA is 60 amps. Other Nissan alternators may work as well, but I can not confirm that. Use others at your own risk. (But if you find something else that does work, let me know.)

2.) This is totally plug and play, NO cutting or modification to your car's wiring harness is needed.

3.) As best I can determine, the stock length belt should work fine. That's not to say that there can't be a few alternators out there with a slightly different pulley size, but I haven't heard of one yet. Even if so, the stock belt width is fine, all you'd need would be to get the next size smaller or longer belt.

4.) At least one person was having problems downloading the instructions from the forum. An alternate site is Alternator swap instructions.

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Hey, Arne,

Is the unused port "P and E" an auxilary output? Do you know?

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