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Sadly I have to admit defeat. The convertor/flexplate in the truck is the old ball c6/c10 - 11.5 bolt circle. No one has a convertor on the shelf to suit the application. I could change to the 10.5 bolt circle and get an off the shelf convertor to do the job but then the new flexplate will have to be balanced, it could cause starter issues, and I'm still not convinced that the box isn't damaged. I've since found out the current convertor is a re-use after the box had an issue and it wasn't cleaned out. I suspect that there could be crap thru the the rebuilt box, new trans cooler etc etc. The call has been made. I'm going to park it until I can confirm the gear box condition, get a suitable convertor built and re-dyno him. Too much risk in just sending it. Others would, but not me. Too much time and money at risk, for zero reward. There is another show a month later. We will aim for that.

On a positive note I got it to actually steer. Have a look at the before and after alignment figures. Many neglect this most basic of things, but every car needs to have the alignment correct for the application. Sent from my iPad using Tapatalk

XT and XW had them, but everything else 100%

Many older water pumps, particularly clevos, are very inefficient at higher rpm, causing a cavitation bubble to form in the centre of the impeller. This is partially cured by slowing it down with a bigger pulley and/or installing a restriction in the top hose so that the pump has a load to work against. Sent from my CPH1903 using Tapatalk