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#21
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THis is what I am doing here for starters.. ( yeah I know this was posted in 2011)
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"The Future Belongs to those who are STILL Willing to get their Hands Dirty" .. my Grandfather |
#22
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final shots and thoughts
So I went for the center hole today. Did it in 3 steps. Used a light after first pilot went through. This took a lot of time. The deck is thick, probably just under 1/2" in this area. used a new drill bit on the other side. Used a tiny bit of cutting oil.
Max hole was .265 due to proximity to the head bolt boss. That said, maybe could have moved it up, but wouldn't have been centered in the gasket hole. I am happy with this. Will work just fine. so here are some pics. Some you may never have seen ( inside)
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"The Future Belongs to those who are STILL Willing to get their Hands Dirty" .. my Grandfather |
#23
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couple more final pics.
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"The Future Belongs to those who are STILL Willing to get their Hands Dirty" .. my Grandfather |
#24
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Bump, just cause its relevant and summer is coming
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"The Future Belongs to those who are STILL Willing to get their Hands Dirty" .. my Grandfather |
#25
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How Pontiac cooled the heads in 1959. Yes its a factory Pontiac V8 in GMC truck. There is a pipe with holes in it slid inside each head front to back which ensures cooler water makes it to the rear of the heads, and more even Temps. These pipes didn't fare well with corrosion and Pontiac stopped this sometime in 1960 and went with what Chevy and others did pushing it up through the block up into heads.. That said Chevy used 1 inch or bigger holes, Pontiac did not. Hence the 421 mods.
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"The Future Belongs to those who are STILL Willing to get their Hands Dirty" .. my Grandfather |
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