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Valve spring compressor can often be rented free at auto parts stores doing the pay first then return for refund. If you are planning on rebuilding multiple engines- then yes you can buy one. Otherwise there is also some diy tricks you can learn on YouTube to just lever it. DO NOT use a...

it all sums up in the line from the first post: “…the reality is that the Allison partnership has been mostly a branding exercise since 2020, when GM introduced its HD 10-speed automatic—which, let's be honest, owes more to Ford than it does Allison” Ford & Gm went in together on making...

If you go on YouTube and search “squarebody door” you’ll find dozens of videos and none of them cover everything. But it is time well spent to watch before you start messing around. For some adjustments the fender has to come off. For some it’s removing the parking brake pedal/release...

Ya might look at hmmwv non turbo manifolds. They are non egr, do not have the mounting tabs for the ffm in the back. Other than that- same lower intake. There is no upper intake hmmwvs. It’s plastic air horn.

The striker pin is that bolt in your pictures that the door latch hooks onto when closed. Barely loosen it, and there is a captured nut behind it and large washers on both sides. It goes through a fairly large hole. By moving it up/down/ in / out you can adjust where the latch area of the...

The guides are rarely a concern. The guide seals are what I am referring to

Idk about valve guides yet. But the valve guide seals never survive well with sludge. If you don’t mind making a mess in your truck bed- get it all torn apart, put block & heads in the bed. Then go to a self service car wash. Simple pressure washing will get it. All a “hot tank” that...

I have to confess- onky used forks on a tractor two or three times. But on a front end loaded- a ton, and on a forklift way more than I wanna remember.

1. I really suggest this in its own thread. 2. It is amazing that bolt was in the cylinder with the better compression. 3. Acetone & ATF 50/50. Fill’er up & let it soak a couple days. With that much sludge- I couldn’t handle it. I would tear the engine all the way down at this point and...

I prefer 60”, but it’s easier to over do it and stab something you didn’t want to. So just be aware of that. It’s far better when loading a pallet (or similar) into a pickup truck because you grab it at the end of the forks and can load past the tailgate without repositioning and less risk of...

That is the original type rocker arm. Yes most of us old dudes prefer that to the button type. Both type can become “bent” out of the 1.5:1 ratio. It is rare but happens with the intake faster than the exhaust ones. So how we did the check was simply take apart, clean, and use one to make...

With it upside down- inspect the cylinder walls. Rotate crankas need to mo e pistons towards top of cylinder to see most of it.

Thats odd - those being loose. Check both mounts and check the transmission mount

That guy makes his $$ rebuilding engines or selling new ones. When someone wants his shop to swap engines only - he gets labor but not the $$$ selling one. Not buying a used engine is same as not buying a used vehicle: if you buy a used car you bought a used engine, used transmission, used...

Yes. There is very little fore/aft shift of the crankshaft with auto trans. The force of the clutch throw out bearing generates a lot of wear on the thrust bearing on the crankshaft center bearing.

Yuppers- one of the first 6.2 -660 blocks. That is what gm used for sensor connectivity before the weatherpack. It’s probably good and somewhere out there a guy will be wanting to find a good used one. How you two meet up is the hard part- haha. That’s a single stat non blockoff- but with...

Very nicely done!

MAKE SURE SAE30R9

Oh my Ok… depending on clarity of the amp is if it should have the MUCH LARGER ground wire return directly to the battery and have a noise suppressor in line. You should have a large connection point for the ground which uses the same size cable as the power going to it. A common trick is a...

Balanced injectors vs unbalanced are a far bigger impact to power than 6.2 vs 6.5. I wished when GEP started casting they went back to the 6.2. Bring some old oil incase he doesn’t have enough in there and a compression tester.