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Rich - thanks for the comments. I am photodocumenting my P400 install in my rebuild thread. Not sure you were aware of that.

Guys, I made the decision to pass on the HS rockers and timing gears because I did not want to “open up” that new GEP P400. It wasn’t due to cost because everybody knows I’m spending my last rodeo. My goal with this engine is to have a smooth cool-running and free-breathing reliable NA power...

Are you seriously considering this option? Leroy has the part on his page for $600 + freight. I actually considered installing a set but didn't think the Return On Investment was there. Do you really think it makes that much difference?

Yes the FlowKooler clockwise pump arrived but I have not yet installed it. It appears to be an outstanding part. FlowKooler does not utilize used/reconditioned pump housings, but instead has their housings cast new at a foundry. The impeller is not cast but CNC cut from billet aluminum and...

Rich I actually considered both options, but decided to leave my P400 intact as delivered from GEP. If I had planned to Turbo the engine, I probably would have installed the timing gear assembly and Harland Sharp rocker assemblies. But instead my goal is to have a strong reliable NA engine...

It all starts at post #198 of my rebuild thread. I decided to keep everything together on my original thread instead of branching off into a secondary thread. You can access my rebuild thread by clicking the link in my signature below. Thanks.

Yeah I discovered that and deleted my post but you beat me to it! Thanks. I'm on RockAuto now.

I'm on it. Thanks.

Looks like this has the information on the water pump - https://www.steelsoldiers.com/showthread.php?158177-Water-Pump-Part-Numbers

Yeah neat video. If you didn't already know, Peninsula Diesel went out of business a few months ago. Unique Diesel in Texas bought all the assets. I have an email to them now to see if they will continue to offer a HO CW rotation water pump which Peninsula offered for their marine engines. I...

Thanks Iceman. Here is what I think I will do - When the P400 arrives, I will transfer my original and recently-rebuilt DB2 pump over to it, along with my lines and new Bosch 6.2 injectors, and then run the thing for a while to see how it feels. One of my goals, in addition to having a strong...

I have just ordered a new P400 long block from Leroy Diesel. It will be installed in my M1028 in front of a new 700R4 Level 2 transmission from Bowtie already on hand. Having said that, I would like to invite comments on my next course of action. Yes Doghead, I have searched until I am blue...