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https://hummernetworkforums.com/threads/free-engines%E2%80%A6.250838/ So I spoke to Grayman. He met with a guy who owned a hummer business and is selling the lot of hummer parts apparently. None of the UROVA parts are there- all that was sold long ago. This would be more a reseller business...

Over on hummernetworkforums.com a guy with 6.5TD centermount engine is for sale. He blew a head gasket, one head toast, other one cracking between valves could be brass sleeved and ran 100k or so. The block is a May 99 so supposedly latest version GM ever made. You’d have to verify cylinder...

I looked, but am bad at finding old posts. It has been too many years since I was modifying these oil pumps. I know the stuff about die grinder work on the ports for under the 4wd adapter/ and the block itself getting the port edges smooth & rounded over. But I can’t remember or find my...

A few of us have made headers at some point. Incredible tedious. Time to look at the lowest cost kit how to make everything fit I have seen yet. Also would work for custom exhaust if they have the sizes available… https://www.centurialinc.com/exhaust-tech/starter-kit

Been a while since posting, and maybe this is something good to add to the “new guy check list” for them to learn. There is a million fuel additives that do different things. The one I recommend for the Stanadyne ds4 is the Stanandyne Lubricity formula in the purple bottle. Below I will add a...

If anyone has a block where you can post pics, or anyone better at google searching than me (almost everyone probably-haha) I would like to see some oil squirter pics please. I have my 99 van block that should have them but getting to that engine is a nightmare currently. Thanks!

My intent is to link together the most useful turbo threads for people trying to determine turbo comparisons into one thread rather for reference. Kind of a turbo sub thread in the performance section. If you come across any comparison threads you feel relevant, please add the link. A...

Wanted to buy a set of p400 heads. New or used. N/A hummer (same as pickup) or turbo hummer (same as van/ center mount turbo) Lmk what ya got & price.

Wanted to buy a set of p400 heads. New or used. N/A hummer (same as pickup) or turbo hummer (same as van/ center mount turbo) Lmk what ya got & price.

My nephew has lost his in the shuffle, any pictures of what this one looks like would help. if anyone has a spare layin around they are willing to part with it would be cool.

I never noticed we don’t have a specific thread for tools. Anyways- a buddy sent me a link to see this tool in action. An Engine hoist tilting tool. I am planning on building this one last engine and never again so I will not buy it. But if I figured I would still be doing more engines I...

I kinda like it. Never seen one quite like that before…

4L80E transmission cooling line bypass valve is a part all hmmwv and civilian Hummer, Hummer H1 have (idk about H2, H3). On hummernetworkforum.com the discussion about this valve came up. I never noticed it on any GM rigs, or anything that the 4L80E went into outside of a hmmwv/Hummer. It’s...

NOS parts question. Balanced flow water pumpfrom Peninsular diesel. Remember they sold them as take offs from brand new optimizers because their boats don’t use that pump. They sold them at a decent price and so before they closed down I bought a couple. (Still crying over not buying one of...

I was messing with youtube trying to remember how to upload a video- and stumbled across this video. It’s not mine, no idea who this is. But worthy of sharing imo.