6.5 Turbo Questions

[LT67]

I'm looking at a 6.5 turbo to stuff into my 86 M1008 and I have a few questions. The engine needs a new #8 piston which is an easy fix. The present piston has a tiny hole in it. This was a heat related issue on the #8 cylinder which the 6.5 turbo was known for.

How do I fix the coolant flow issue to where the #8 cylinder is? I've read that the factory single inlet water pump needs to be replaced with a dual inlet pump from a 97-2000 6.5 turbo. Anything else?

Is the factory electronic injection good when the control module is relocatedfrom underneath the intake manifold? Or is it better to go with a mechanical pump?

Is converting the vacuum assisted wastegate to an adjustable mechanical unit better or worse?

 

[NDT]

The ECM for the 6.5 which processes all the inputs from throttle position, crank position, etc and controls the troublesome Stanadyne injection pump is not exactly something that could be easily plucked out of a CK pickup/van. I would go with the mechanical injection pump. A spring wastegate control is available aftermarket.

 

[nyoffroad]

The ECM for the 6.5 which processes all the inputs from throttle position, crank position, etc and controls the troublesome Stanadyne injection pump is not exactly something that could be easily plucked out of a CK pickup/van. I would go with the mechanical injection pump. A spring wastegate control is available aftermarket.

Yeah KISS= Keep It Simple Silly

 

[LT67]

The engine is still between the frame rails of a GMC 3500 box truck...