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  #21  
Old 12-15-2011, 09:22 AM
Overlander Overlander is offline
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Originally Posted by rockrod View Post
GM calls it the PCM, others call it the ECM.
Oh, ok.... these new acronyms they come up with...

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I know it sounds like a big challenge but doing custom hoses to adapt over to the gm compressor really isn't that big of a deal.
It's not the custom hoses that are concerning as much as the 'compensation needed at idle'... trying get that figured out I would think would be more challenging (unless the ECM senses it automatically and increases the idle speed).

The reason I ask all these stupid probing questions is that I'm probably going to do a swap on my FZJ80 one day (though not anytime soon) - I'm thinking '93 GM 6.2L diesel. Just trying to work out some of the things on my own, and it seems you're bravely dealing with these very same issues that have been occupying my own mind, so I hope you don't mind me bantering about it here on your thread.
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  #22  
Old 12-15-2011, 12:40 PM
rockrod rockrod is offline
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Oh, ok.... these new acronyms they come up with...


It's not the custom hoses that are concerning as much as the 'compensation needed at idle'... trying get that figured out I would think would be more challenging (unless the ECM senses it automatically and increases the idle speed).

The reason I ask all these stupid probing questions is that I'm probably going to do a swap on my FZJ80 one day (though not anytime soon) - I'm thinking '93 GM 6.2L diesel. Just trying to work out some of the things on my own, and it seems you're bravely dealing with these very same issues that have been occupying my own mind, so I hope you don't mind me bantering about it here on your thread.
The pcm does the compensating by itself automatically. It senses the drag (by 'seeing' that the idle speed is slowing) and opens the throttle a little more to offset the drag. It's fast so I doubt someone would even notice it happening.

I would imagine the 6.2l diesel works much the same way since it is computer controlled.
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1994 FZJ80. Elocked, MAF 3/2 Lift, BFG 315 KM2s, stock 4.10s, ARB bullbar and a Warn 8074 winch.

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2004 Kona Stinky dee-lux.
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  #23  
Old 12-15-2011, 08:20 PM
Overlander Overlander is offline
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I would imagine the 6.2l diesel works much the same way since it is computer controlled.
Actually the 6.5L is computer controlled (ECM... oh, excuse me - PCM... ) - I'm contemplating the more reliable 6.2L with a Turbo addition. Time will tell - still early in my planning.

I'll be watching your progress closely and cheering you on. Best of luck -
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  #24  
Old 12-16-2011, 07:05 AM
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black95 black95 is offline
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How about you get all that done and then sell it to me cool project, that engine is really going to wake up that 80.

Do you know if you can keep all the ABS braking function without the stock Toyota ECM?

I've got a Vortec 4.3 in my SAS 4runner, and lost the ABS controls when the stoc ECM went. It only had rear ABS anyways, but it gets old in the ice and snow not having good braking, especially when your family is involved.
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  #25  
Old 12-16-2011, 04:38 PM
rockrod rockrod is offline
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How about you get all that done and then sell it to me cool project, that engine is really going to wake up that 80.

Do you know if you can keep all the ABS braking function without the stock Toyota ECM?

I've got a Vortec 4.3 in my SAS 4runner, and lost the ABS controls when the stoc ECM went. It only had rear ABS anyways, but it gets old in the ice and snow not having good braking, especially when your family is involved.
good question - the EWS doesn't show that the ABS computer is tied to the engine computer in any way. As long as it has power, it should work normally.
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1994 FZJ80. Elocked, MAF 3/2 Lift, BFG 315 KM2s, stock 4.10s, ARB bullbar and a Warn 8074 winch.

powered by an all-aluminum 335hp L33 Vortec V8

2004 Kona Stinky dee-lux.
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  #26  
Old 12-17-2011, 02:37 PM
rockrod rockrod is offline
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Inuk came by the house today and took the engine and trans home with him. We had a great time pulling this it out. It put up a good fight.



empty engine bay:

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1994 FZJ80. Elocked, MAF 3/2 Lift, BFG 315 KM2s, stock 4.10s, ARB bullbar and a Warn 8074 winch.

powered by an all-aluminum 335hp L33 Vortec V8

2004 Kona Stinky dee-lux.
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  #27  
Old 12-18-2011, 11:52 AM
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waggoner5 waggoner5 is offline
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After doing this swap in to a 91, I would build my own motor mounts and put the LS as close to the firewall as possible. The tcase will have to moved as well, but your engine/fan/radiator clearances will be much easier to deal with in the long run. Great job so far by the way.
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  #28  
Old 12-18-2011, 08:36 PM
rockrod rockrod is offline
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After doing this swap in to a 91, I would build my own motor mounts and put the LS as close to the firewall as possible. The tcase will have to moved as well, but your engine/fan/radiator clearances will be much easier to deal with in the long run. Great job so far by the way.
Once I have the mark's adapter, I will mate the trans to the t-case and then install them using the stock trans support. the motor will then get dropped in, and then the radiator/e-fan combo will be mocked up to test fit and ensure there is enough room.

the big hold-up right now is the adapter - it's somewhere between Australia and CA right now...slow boat and all..


Delta Current fan controller was ordered tonight. I was going to have the PCM control the e-fans, but decided to go with the DC variable speed controller so that the fans will run only at the speed that is needed to maintain operational temp, rather than just off/slow/high speeds. The DC controller will slowly spin the fans up to speed and will run from 0rpm to max as needed - this eliminates any huge amp draws when the fans are commanded. they will also turn at a minimum of 50% rpm when the a/c cycles on to keep air moving over the condenser to better performance.
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1994 FZJ80. Elocked, MAF 3/2 Lift, BFG 315 KM2s, stock 4.10s, ARB bullbar and a Warn 8074 winch.

powered by an all-aluminum 335hp L33 Vortec V8

2004 Kona Stinky dee-lux.
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  #29  
Old 12-18-2011, 10:32 PM
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Good move on the Delta. The computer always sucked at controlling the fans for me. Nice to see the motor pulled out, and glad Daniel was able to grab it
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  #30  
Old 12-19-2011, 06:04 AM
rockrod rockrod is offline
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Good move on the Delta. The computer always sucked at controlling the fans for me. Nice to see the motor pulled out, and glad Daniel was able to grab it
I had a DC controller on my old CJ crawler. It was controlling a lincoln M8 fan coolling an EFI 351w motor. It worked well once I moved the temp sensor closer to the radiator inlet. having it at the outlet didn't work for the jeep on the highway because CJs don't cool well at highway speeds. Not a big enough grill opening and airflow is minimal through the engine compartment. I had to add louvers to the hood to get it to cool.
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1994 FZJ80. Elocked, MAF 3/2 Lift, BFG 315 KM2s, stock 4.10s, ARB bullbar and a Warn 8074 winch.

powered by an all-aluminum 335hp L33 Vortec V8

2004 Kona Stinky dee-lux.
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