If there are NO aluminum components...Timing cover could be an issue, Acid has no equal.
Phosphoric & Oxalic are great. Lime away might be a good start, even Vinegar would help, though you must neutralize acid.
Google is your friend.
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"At no time did we exceed 175 mph.”
Dan Gurney's truthful response to his and Brock Yate's winning of the first ever Cannonball Baker Sea-to-Shining Sea...
Still have my 1st Firebird
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57 Starchief
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