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#1 |
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I am very sure that I did not say this, but You may want to consider rust stripping the block inside. If you pour the block with the rust layer that is there, you will set up 2 problems 1: the rust acts as a blockage to heat transfer out of the cylinders 2: You will have poor adhesion by the block filler. Make sure you de-acid with a acid that does not attack the base met. Only use acid that attacks the rust oxide. If you do not find out what that is, PM me and I can tell you (but I didn't tell you)
reed |
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#2 | |
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#3 |
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I've been reminded that the SBC w/p holes are towards the center of the block.
Even if your fill at an angle ,it'll still leave some water there. Actually, I was picturing my 2300 4 cyl. when I made that comment...No drain plug required.
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#4 |
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#5 | |
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We tried muriatic to "enhance" some cylinder head dimensions once, but it took twenty gallons, seven days and constant applied heat to remove .100". Somehow, that rate of "attack" on the base metal does not concern me. |
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#6 | |
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It is not a problem for me. If you want to "enhance" it even more , use hydrochloric. You can do that in a matter of minutes. Oh, have you eaten into a gas pocket around the cylinder yet. And yes, using muriactic for years is what I have done, but like many other things, I have learned better tech does exist (for me). Heck you can even soak it in Pepsi, Molasses, sorghum or what ever your medicine. All will work and safer. Your decision. reed |
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#7 |
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If I remember my chemistry correctly ( it's been 40+ years), muratic acid is diluted hydrocloric acid. Releases cloride so you want to do this with lots of ventilation.
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#8 |
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Muratic acid from Home Depot works really nice.
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#9 |
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Yes, muriatic is low percentage hydrocloric solution. LOTS of ventilation. The common stuff that is sold for cleaning swimming pools can be diluted 2:1 with water and it still works very good cleaning the water passages in a block.
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#10 |
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When you drill into the side of the block for the water drain be sure to locate it away from the center of the cylinder and as close to the intersection of two cylinders as possible. Also be sure not to locate it under any head bolts. This will give you more room to use a pipe tap to thread your drain. If necessary you can cut off a tap with an abrasive cut off wheel and grind a new lead on the tap.
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