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Re: I decided to keep it.
The 6.5 heads are no better.I`d sleeve the passages if you want an upgrade.In`97 GM increased cooling and went from the 85 or 95 Gallon Per minute pump to the 125 GPM and used a dual t-stat crossover housing.These were serpentine trucks so the pump is reverse rotation,not a problem.The higher flow t-stat housing needs work to make the throttle cable possible,since they can on drive-by-wire EFI.I had put all that on my`95 before I went bigtime with a crate marine motor that had all that on it.
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed"
GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project)
GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling)
Tim
"Don't call me a redneck. I'm a rough cut country gentleman"
R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~
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