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NO EMMULSION! Xpd has better ratings. Being a db2 ip- i run atf. We don’t need our fuel clear like the ds4 guys. When installing new fuel filters- I fill mine up with atf. That smokes for a bit but it’s healthy for the ip & injectors

When the sealed ones stay sealed- the grease doesn’t “wear out” and there is no way for it to leak. The only time anyone should even consider a greaseable ujoint on anything is if you drive a lot of miles then while hot you submerge it in a river/ stream crossing where it will be submerged in...

You don’t want a low micron filter as a primary filter- oil, fuel, etc. oil especially because a little dirty oil is way better than super clean oil that doesn’t get there in time. Running a bypass filter is great- there are a few brands that are third party certified. My plan is one of the...

My wife says - anytime I think I did something 4 years ago, double it. And I probably paid triple from what I remember. So for the miles I put on a rig- that’s probably 4 times what I am remembering!

They hmmwv ones do flow better- but I forgot about the mounting bolts, instead of 6 they only have two bolts. Also the egr block off is snazy.

Remove that flashing as well. Once the flashing is all out, you can choose to spend a little time taking the edge off the oil return holes. Doesn’t really help a ton- but for 5 minutes more per head is worth the time imo.

If ya have a press you can rebuild the waterpump. Pop the seals out and head to napa to match up.

Yep- replace the pigtails. It’s annoying but once done-the issues are gone.

Yes that’s the compound to use with the suction cup tool. Search youtube how to do it with a cordless drill. Faster, easier, you probably already have a cordless drill. On gaskets- obviously ya need head gaskets and the crankshaft seals. But timing cover, waterpump, valve covers, intake...

Don’t try reaming the tops of the cylinders unless pulling the pistons replacing rings. Remember the ridges at the top are not something built up on it- it is the amount of the cylinder wall that has worn away. I think he needs input from others who ran small precups with turbos and had good...

Nothing identified on those precups- I think those are the really tiny ones. It shouldn’t smoke too much with stock fueling and gm turbo kept around 10-12psi boost… but it might leave a bit of a cloud if you stomp it from a dead stop.

For some reason I missed the post with them cleaned up. Good, disregard the dmso option. Those heads are desired because the valves flow better. But what precup is in it can determine what turbo it can handle. Read about small precups and using bigger turbo like hx40 by @WarWagon and when he...

Our favorite Russian buddy always recommends the DMSO- but man you have to be fully covered when using it. That stuff drawe chemicals through your skin into your bloodstream. My memory is not much longer than my pinky toe, but I think the difference is of 1.94 versus a 2.02

GEP used same specifications for weight tolerances, bearing tolerances, etc. So no, unfortunately. The gep are just as bad as the gm. No, D-Dec is completely different. It’s like saying a flat head ford and a flat head Willy’s jeep head and a lawn mower head are all the same design concepts...

Because so many of the issues was poor diagnostics then poor repair or correction theories. They are know for garbage injection pumps- when the db2 is amazing for multi-fuel and lasts 350,000 and the ds4 handles 250,000 no problem if proper fuel supply pressure is there. The horrible ds4...

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...