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84 m1009 cucv chevy blazer build-up
I know that the science is not always easy to follow so here is another way to look at this. GM and later GEP continuously worked on this rear engine overheating issue over the life of the 6.2 and 6.5 engines. First they changed the crossover design, then they added a dual thermostat housing...- 911joeblow
- Post #270
- Forum: CUCV Hot Rodding and Modification
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84 m1009 cucv chevy blazer build-up
Just remember surface temps are not internal temps. The only way to get really accurate numbers is to install temp sensors in the coolant passages. I assure you that the rear of these blocks run VERY hot. Simply dropping system temperature will NOT change that. In fact by lowering the temps...- 911joeblow
- Post #269
- Forum: CUCV Hot Rodding and Modification
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84 m1009 cucv chevy blazer build-up
GM and later GEP added bandaid over bandaid to fix the uneven coolant temps in these engines. The different pumps, dual thermostats, military geared fans vs hydraulic fans all were tried. My favorite is when they finally gave up and over bored only the rear #7 and #8 cylinders so the overheating...- 911joeblow
- Post #173
- Forum: CUCV Hot Rodding and Modification