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  1. Replies
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    Welcome from California. If we ever plan a trip...

    Welcome from California. If we ever plan a trip as far as Montana I'll PM you.
  2. Thread: Cummins R2.8

    by Portager
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    2,048

    I that thinking you could take the ECU etc. out...

    I that thinking you could take the ECU etc. out of the Colorado/Canyon and throw the ECS for the i5 away. Basically, the Hummer would think it was a diesel Colorado/Canyon electronically, but you'd...
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    I did some off-roading in Los Padre National...

    I did some off-roading in Los Padre National Forest steep hill climb pulling my camper with no problem. Also, getting to Shelter Cove the road was windy with very steep grades. The transmission was...
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    I replaced my radiator with a new Ron Davis all...

    I replaced my radiator with a new Ron Davis all aluminum radiator. I'm using the internal trans cooler and I added an external trans cooler with a thermal bypass. Last Friday it was 110F when I drove...
  5. Thread: Cummins R2.8

    by Portager
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    2,048

    I'd suggest you consider at the 4 cylinder...

    I'd suggest you consider at the 4 cylinder Duramax 2.8l as an alternative to the Cummins 2.8. The Duramax 2.8l has been sold internationally since 2011 and it has a good track record. GM made...
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    Welcome. Nice 2!

    Welcome. Nice 2!
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    Congratulations Chris. I'm sure you'll do great...

    Congratulations Chris. I'm sure you'll do great and have a lot of fun!
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    There are multiple good reasons to use the trans...

    There are multiple good reasons to use the trans cooler in the radiator in series with a remote trans cooler:

    Most remote trans coolers are intended to augment the internal trans cooler, so if you...
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    Has anyone had any issues with these CSF...

    Has anyone had any issues with these CSF radiators?
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    amrg: I don't disagree with anything you said....

    amrg: I don't disagree with anything you said. With an Internal cooler the ATF temperature will always be a few degrees higher than the coolant temperature.

    I have never seen my Alpha get over...
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    Has anyone tried one of the CSF Radiators?...

    Has anyone tried one of the CSF Radiators? http://csfrace.com/new-heavy-duty-hummer-h3-radiator/
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    Keep in mind external trans coolers are designed...

    Keep in mind external trans coolers are designed to augment the normal trans cooler. If you are going to bypass it, you probably need a bigger cooler. Is the new radiator an OEM radiator or something...
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    Yes, I looked up "YourRadiator" and they are in...

    Yes, I looked up "YourRadiator" and they are in New Jersey.

    Leaning towards Ron Davis!
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    Has anybody ever try one of these "YourRadiator"...

    Has anybody ever try one of these "YourRadiator" RD22855A radiators?

    I think eliminating the plastic end caps is a plus, but I'm concerned that the transmission cooler may not be any better that...
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    Yet Another Alpha Cooler Thread

    Sorry to start yet another Trans Cooler thread, but I've read numerous Trans Cooler search results and I couldn't find any results that were applicable to the Alpha. When my integral trans cooler...
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    I installed a PCM/TCM tune/swap to compensate for...

    I installed a PCM/TCM tune/swap to compensate for the 35" wheels and I'm very satisfied. I figured that since I have the Alpha (V8) I had enough power to handel the oversized wheels, but the engine...
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    Last week I replaced my shocks, changed the oil...

    Last week I replaced my shocks, changed the oil and air filter. Then I noticed that the HVAC wasn't blowing any air on external, but it worked fine in recirculation. After removing the dash and...
  18. Welcome to H4O. You didn't mention if your H3...

    Welcome to H4O.

    You didn't mention if your H3 is an I5 or an Alpha. I think I5 because I think the Alpha only came with an automatic.

    Make your mods carefully. One thing I've proven is it is...
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    Looks like fun, and I'll be disappointed if a...

    Looks like fun, and I'll be disappointed if a Hummer doesn't show up the other vehicles. However, it is a little too far away for me to attend.
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    Welcome from SoCal.

    Welcome from SoCal.
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    Welcome from SoCal. You should put low profile...

    Welcome from SoCal.

    You should put low profile rear shock mounts on your list. Maybe a rear diff shield. AAA premiere membership. What about a winch? Light bar, ...

    Good luck prioritizing your...
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    Welcome to the forum from SoCal. Yea, tell us...

    Welcome to the forum from SoCal.

    Yea, tell us more about the light bar.
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    Yes. Still in the same place. I got the...

    Yes. Still in the same place.

    I got the Adrenalin camper because my wife couldn't climb a ladder to get into a roof-top tent and she didn't want to go outside if she had to pee in the middle of...
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    I posted in Fresh Meet. We've been gold...

    I posted in Fresh Meet.

    We've been gold prospecting, rock hunting and repairing the H3T. Now I'm getting the new used Adrenalin Camper set up.

    I was also distracted by searching for boats. I...
  25. Nice rig! Thanks for the pics.

    Nice rig! Thanks for the pics.
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