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Thanks! I am more excited about finally getting to do some chemical testing! When I inspect the Redblock, I will see if the crank turns, remove...

Just my opinion here... Having been into several 700R4 OR Currently called the 4L60E The 700R is a wimpy gear box.....Even the later...

Good luck in the quest for a good one

I found another potential redblock 6.2 in Idaho. I plan on making the 6hr round trip drive either today or tomorrow. It was taken out fresh 2 months...

Sensor ID is simple. Unplug one before a cold start. Repeat with the other before it warms up. The computer will complain appropriately. Logically,...

Wish I had a good one for sure! lol

Thought you said you had one, but the bores were pitted. Even with pits, they may not be too deep to bore. If they are too deep, sleeves are next. At...

That’s about what I am getting. I always push it hard.

Have you researched the made in China Hx35w? I’ve read that they spool faster and have less lag. On my work bench is a good used Holset Hx35w and...

I do not have a red block to get a sample! Lol! Thought I explained that. Or you talking to Yukon6.2?

After 4,000 miles, fuel mileage is still low. My best tank so far has returned 16.5 mpg, but the last two tanks returned 16.1 mpg. I'm a little...

Pull your sample from the red block you have. The bell housing boss is a benign area between the bolt holes. A few 1/4" divots won't weaken the...

Definitely an option worth considering! But first need to find a Redblock to get the chemical testing done or else this theory will remain a theory…...

The Blazer produces 15-16 locally as well. Doesn't make sense when compared to that GMC I owned with a Banks 6.2L. The Blazer's engine is equipped...

Yeah my 1995 with a CKO-HX40W-II turbo, DS4, and 4L80-E is very similar in MPG to your 94 Most of my miles are local stop/go in town and I am...

It seems nothing else is off the table. It's been done, and I know of a few locally. If the block is sound otherwise, why not?

Idk. I have never researched sleeving a 6.2 before.

No consideration for sleeves? (not that I would, just tossing it out there)

Jim, you know of any hoarders here in Montana?

Awesome info! AMG heads it will be! So the Redblock I though I found that was crack free has some bad pitting in the cylinders even after it had...

I've been thinking lately about the questions posed here for improving fuel economy in the 6.5. My thinking includes a trans swap to a TH700R4...

Another thing to consider is the Red Heads are limited to what you can do to the injectors. there never was a different option to the ones that...

The heads on the early 6.2 did have issues..... Best choice for heads......Get a set of the AMG 6.5 heads. Better castings, ZERO duty...

Some random thoughts came to mind.. So it was not mainly the heat that cracks the heads of the redblock but lack of material from the bigger...

Yukon6.2 NVM on the samples. I just found a crack free 1981 660 cast Redblock. For you Robyn, Anything ;-) The lab is going to charge me...

Once you get the test results....please post the data....This will be very interesting stuff.....

I contacted a lab… https://www.metengr.com 1. I need 1-5grams of 6.2 Redblock Drill Shavings. 2. Grind the block surface clean to bare block...

Chainsaws are hoarded as well As a crossover tie in, i have a diesel powered chainsaw... And a few other rarities in the chainsaw world. Like i...

Waaaaay upppp North :D I can think of a few things to go along with the 6.2 diesels in the hoard pile..