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Years ago, maybe 2019, a member replaced the heater box with aftermarket parts that were placed just behind the doghouse. Big heat exchanger and huge fans. Looked robust and warm as Heck. EDIT- I found the link… You should start from the OP first post...

Ok. Let me know what you think. I will be considering using sound AND heat.

Lizardskin sound and temp, or just sound?

Thank you

Let’s start from the foundation and work upwards… Is the filter new and clean or old and clogged? You only mention using the dipstick. Is the tranny full and topped off? You addressed this. Are you using Dextron III? Is your shifter properly aligned? Is your transfer case in H and your...

Frauhansen and I are recommending large caliber switches to cut ALL power coming from battery. Starter can require huge currents. A small gauge unit will create a fire.

Or a switch to a 400 Amp relay

Great work!

Use the water pump hole to better guide your reverse drill bit when removing the old broken bolt. Use liquid Teflon tape in the future.

Hoping to purchase at auction. Any idea if there are many more out there?

Flasher relay?

Respirator because CARC is cancer causing stuff.

There is a guy who makes a ladder bar to reinforce the low end of the short block. That and P400 heads and a forged crank and you should be great.

I own one of the last P400. Gonna plop into my Hummer.

A Hummer H1 group had a person who tried to install a 6L80E behind a 6.5. He posted that it did not go well. He stated that the 6.5 does not have the ponies to support a six speed tranny. He stated that he was unable to use the sixth gear or cruise at higher speeds. I only read his posts. I was...

Referring to your title OP: Please find friends with better BBQ skills.

A truck you buy for $7500 will colts $11-$12,000 after paying for auction fees and transport.

You don’t have enough, IMHO. This is NOT a cheap vehicle. please reconsider.

Original hummer tranny was TH400 three speed GM

Flowers last week and snow this week. Must be the drought and global warming!!! 😅😂🤣