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Thanks for posting. It seems I may be an idiot too. With all the time, energy, and money I have been pouring into my P400 / 765R4 / NP241 drivetrain build, I haven't even considered the size and quality of the coolant overflow system. I even purchased a new high-dollar radiator and new poly...

Great write-up. Thanks for posting.

Thanks for posting. I watched every video. Quite an adventure! Sounds like the Cowdog did good. Regarding brakes, an upgrade is on my list as well. I've already installed rear discs and removed the load equalizer. The truck stops on a dime going forward or backward, even when wet. But I...

Thanks for your posts and videos. My completely stock 6.2 cranks perfectly and runs best & strongest with the timing advanced the thickness of the line like you have your M1009 set. When I install the supercharged P400, well, setting that timing will be an adventure in itself. I will start...

Outstanding post and info. I’ll be watching this thread closely. BTW, I have an excellent Banks filter box if you need it. Pay the freight and it’s yours.

Mr. Barrman. Just a note to say thank you for the information on the radiator. Mine is on order and the folks sent me an email indicating that it would be shipped in a couple weeks. No problem, I replied, as I have been on this project for 12 years. Reading your post above made me wax...

Thanks!

Thanks Barrman for that excellent and very informative reply. I believe I will purchase one of those today. One other question - did you have any fitment issues? Did the oil cooler and transmission cooler lines all attach properly with the correct threading?

Hey Barrman - I know this is an old post, but I am curious. Did this radiator work out for you? If so, do you have an idea how much it lowered operating temperature? Thanks.

That looks about right to start with, however I believe it could be advanced slightly more. If there is wear between the timing gear and the cam gear, and I would assume there would be if your engine is original, the existing timing would not be not much different than TDC. I suggest you...

Mike - timing too advanced or retarded will indeed impact performance. Have you looked at the timing marks on your pump? If not, shine a light down in front of the pump and see if the 2 timing lines line up. My ‘85 civi as well as my current M1028 seem to have the best power with the timing...

I've enjoyed following you guys' comments about proper methods to achieve correct timing. I was hoping you could come up with a reputable way to set the timing correctly with a timing light. Having said that, I will share with you the following - Way back in 1985 I had a GM master mechanic...