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[AJMBLAZER]

It's the same diesels the 3/4 ton and 1 ton trucks and Suburbans got. Only the Blazers never got them standard.

 

[Dabba]

whats the difference between the 2 engines?

 

[hobie237]

Emissions controls.

 

[AJMBLAZER]

Yep, basically the J code engine breathes a bit better.

 

[Recovry4x4]

It's the same diesels the 3/4 ton and 1 ton trucks and Suburbans got. Only the Blazers never got them standard.

"C" code engines were in all half ton offerings and had an EGR valve clogging up the intake. "J" codes were heavy emissions and EGR exempt. The 6.2 was offered in all truck platforms from 1982 up, this includes 1/2 tons. 3/4 tons. 1 tons. burbs, vans and blazers. The 1982 variants had coarse thread injectors and all others had fine threads. Vans had short injectors but all others had the standard length injectors. I don't know what year the 700R4 showed up but it was 1984 or earlier as I've had some 84s with it. It is my humble opinion that DOD got the M1009 rated as a 3/4 ton to get the "J" engine installed in it!

 

[m16ty]

As far as the alt. goes, I've got a cousin that owns a starter and alternator shop. He tells me that he can make any Delco alt. 24 volts just by changing some parts inside for the same price as a 12 volt.

 

[hobie237]

If that's true, that'd be awesome. I could convert the two alternators to 24v, run them in parallel, and even if one goes out, the other is there as a backup. And when both were running in parallel, it'd double the wattage of the system and I could run an even bigger inverter. I mean, you can buy 24 and even 48v alternators commercially.

But I suspect there's more to the story, especially since CUCV alternators ARE NOT 24v.

 

[m16ty]

If that's true, that'd be awesome. I could convert the two alternators to 24v, run them in parallel, and even if one goes out, the other is there as a backup. And when both were running in parallel, it'd double the wattage of the system and I could run an even bigger inverter. I mean, you can buy 24 and even 48v alternators commercially.

But I suspect there's more to the story, especially since CUCV alternators ARE NOT 24v.

He explained it all to me but it was some time ago and I don't remember what all he said. I think he said all you have to do is replace the regulator but don't hold me too it. I do know a alt. produces fairly high AC voltage before it is rectified so I can see it being possable. I'll call him tomorrow and get the scoop and report back.

 

[Michael]

If you put a 24 v alternator in a CUCV you will need a battery equalizer because of the 12 volt load the truck has.

 

[m16ty]

Realm, Where in TN are you located? I'm in Dickson.

 

[realm]

Realm, Where in TN are you located? I'm in Dickson.

m16ty,

I'm way over in the Memphis area. Took the truck out for the first time today, and got some really strange looks from my neighbors. I think they're going to hate me.

 

[Recovry4x4]

If neighbors aren't worth support, they aren't worth anything.

 

[hobie237]

He explained it all to me but it was some time ago and I don't remember what all he said. I think he said all you have to do is replace the regulator but don't hold me too it. I do know a alt. produces fairly high AC voltage before it is rectified so I can see it being possable. I'll call him tomorrow and get the scoop and report back.

Let me know, I'd be interested.

If you put a 24 v alternator in a CUCV you will need a battery equalizer because of the 12 volt load the truck has.

Or you could just junk all the existing wiring and run all the 12v stuff out of a 24v-12v converter.