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By the way, a big Thanks to CUCVRUS for that M1009 fuel door assembly. Rick you da man!

Thanks for those kind words. Building a great CUCV has been my dream for the past several years. Career obligations got in the way of finishing it early on, then all these health issues arose. I hope I am able to finish the truck, I guess these next surgeries will determine what happens. Up...

I hear ya. But here is my logic - I am 70 years old. I have had 2 heart attacks. I have had 6 major surgeries. I have 2 artificial hips and 1 artificial knee. I have 2 ruptured vertebrae in my neck which are tearing into my spinal cord as I write this. My surgery for this neck issue is...

Yes I am looking forward to the adventure. Just got to get through this next surgery first.

The P400 pan is not hitting anywhere..... yet. And it may NOT hit. Just looking at it though, it’s going to be real close. I will know for sure once the new engine is hovering over the hole. Even if the P400 does clear the factory crossmember, I may still order one of those ORD units for...

Dayum. Just found this - http://www.rubberduck4x4.com/shop/h1-hummer/performance/engines-and-transmissions/p-400-long-block/?sku=GEP18002683

I've watched Ebay for the past couple of years for P400 engines and/or parts. It's like watching for parts for the Space Shuttle - there just is nothing there. Although I cannot confirm, but I have heard that only 400 of the P400 long blocks were released for civilian consumption. My only...

I purchased my P400 long block from LeRoy Linza (LeRoy Diesel) in 2017. I believe I may have gotten the last one GEP released to the public. Around the same time LeRoy was in the process of tearing down another new P400 long block to see what made it tick. He was documenting his “rebuild”on his...

Thanks Skinny. ORD has one I might look at once I get the P400 swinging over the frame. If necessary I’ll just fabricate my own. Whatever it takes, that P400 / 700R4 / NP241 will be bolted up.

Not that I am in the market for an Optimizer 6500, because I already have my new drivetrain assembled, however for the benefit of other SS members, I wonder where the best place to purchase a NEW Optimizer long block?

The "engine above the Optimizer 6500" to which you refer is the P400. If I can ever get through these darn surgeries, I plan to install my P400 into my M1028. And I can almost guarantee that I will need to modify my engine crossover frame to accommodate the P400 girdle and oil pan. The P400's...

Yes that is my understanding. Not sure about the oil pan. It may fit just fine. Maybe someone with specific experience can chime in.

Here’s a very informative article on the Optimizer engine - https://www.enginebuildermag.com/2007/06/the-optimizer-6500/?fbclid=IwAR1laEHjrv1RbuAD044-oJ5fbCtg1uBKlZmgDLACaLakbuPTiOG1k4CO5oo