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ronn · 08-14-2021, 05:10 AM

I put vinegar in all my rads and wait 6 weeks. seems to work every time. Some guys prefer Evaporust, which works much more quickly, but 90. for a 5 gallon drum.

In any case, it shouldnt be your motor, if it was in fact rebuilt properly.
My roadster was quite stubborn. despite flushing it with vinegar, I had to go back and do it again and the "mud" that came out of it, was amazing. now running as cool as a cucumber!

08-14-2021, 05:10 AM	#2
ronn Senior Member Join Date: Feb 2011 Location: NNNNNNNNJJJJJJJJJJ Posts: 6,787	Re: model A overheats I put vinegar in all my rads and wait 6 weeks. seems to work every time. Some guys prefer Evaporust, which works much more quickly, but 90. for a 5 gallon drum. In any case, it shouldnt be your motor, if it was in fact rebuilt properly. My roadster was quite stubborn. despite flushing it with vinegar, I had to go back and do it again and the "mud" that came out of it, was amazing. now running as cool as a cucumber!