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CutterUp Diesel Lab

89 members • Free

18 contributions to CutterUp Diesel Lab
500,000 mile 68RFE trans: good story.
A video teardown of a 68RFE after 500,000 miles, after losing 4th. And the internals are still in pretty dang good shape. But, the owner serviced the trans every 15,000 miles https://www.facebook.com/share/v/1BJsiTVTKX/
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What to prioritize
Im finally working through my long list of stuff to get done (moving gravel, pouring concrete, builond a small shop, finixng and seel8mg an NA Miata, ec ,etc, etc) so I can get my 2nd gen. Im looking to build a 600-650 rw hp 4x4, wirh and automatic, extended cab, long bed. I would *prefer* a hydroboost, but i assume I can retrofit. Given my hp desire, ive been told a 160 pump wont work ata ll, and that a 180 pump cpupd be iffy. (I have a list of parts including head, tuebo, cam, etc, that should get me there), but I have one question/concern: how to get a 215 ppump? I can get a manual trans, then have to get a 47/48 RE core, and reconfig for an auto, which is a ton of work on top of my alteady substantial list, or I have to find a 215 pump in the wild. The places ive called all need a 215 pump as a core. (I guess the 215 pump cams are scarce?) Ive seen a couple 215 pumps listed here and there, but folks want $2000 or more for a stock/unlmolested one that will still need another $2k in parts and rebuild. Thoughts or suggestions?
0 likes • 5d
Thanks, man. I'veasked a couple places if they could upgrade a 160 pump to a 215, and was told they needed a 215 as a core. Ill figure it out, as I still have time (I just swapped the front loaded on my tractor to a quick attach system, and have a new heat pump arriving Monday, and, and, and, lol. I know you're in way deeper having to get your shop set up. The list never ends.
A warning to anyone who has a friend driving a Duramax
Lake Speed jr, aka "The Motor Oil Geek" on YouTube, did a video that pretty much slams GM and their choice of oil for ther AC Delco oil for use in the Duramax engines. Share as appropriate. Oh, and you get a view inside Wagler's dyno room. (He also does a video about piston rings at Wagler with a Cummins.a while back) https://youtu.be/2rXlLW1iZUQ?is=gLoVpa-0IbTJiFuo
Winners of the draw !
Well. Yes is late lol. But I just do the random draw for the give away ( decided to do two this time ) @Weston Atkinson @Eric Fuller Please send me your info and I will have stuff shipped to you !
1 like • 14d
Congrats!
MIA
sorry guys, i lost my phone or someone stole it not sure so i have been dealing with that, so just on pc for a couple days here,
1 like • 26d
Aw shit, that sucks. I guess we'll know why if "you" suddenly start posting duramax stuff here. 😉
1-10 of 18
Jeff MacDonald
3
37points to level up
@jeff-macdonald-3911
Former gas tuner, with a '92 CK2500 6.5 turbo, finally upgrading to a 12v.

Active 21h ago
Joined Apr 9, 2026
San Saba
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