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Dissolving Castor Oil Gum/Varnish/Carbon

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Old Feb 5, 2013 | 01:11 AM
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fbse7en's Avatar
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Dissolving Castor Oil Gum/Varnish/Carbon

I was using Blendzall Racing Castor for my premix (in my '86 s4 7) apparently it was a bad idea cuz now my apex seals are stuck soild in the rotors...any ideas?! PLEASE!

-I've already tried: ATF, carb cleaners, brake cleaner (chlorinated), foaming engine degreaser...a torch...(the last seemed to work the best but it would cool off quickly, negating any progress) soo, I'm thinking...if there's a way I could get the engine up to operating temp I have chance to get it running again w/o disassembly!!

IDEAS PLEASE!
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Old Feb 5, 2013 | 10:15 AM
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You can give Amsoil Power Foam a try. I've used it to unstick frozen rotaries before. Just keep spraying a bit in every day and keep trying to break the engine free.

AMSOIL Power Foam Engine Cleaner & Degreaser
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Old Feb 5, 2013 | 12:11 PM
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denatured alcohol. ie ethanol.

pour it in liberally and rotate the engine periodically while trying to keep it in the engine.
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Old Feb 6, 2013 | 01:07 AM
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Okie-dokie, I'll give those a try.
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Old Feb 19, 2013 | 10:43 PM
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Well, got the seals all free'd up!! No tools, no treatments!! (none of them worked anyways, LOL)
Was able to get it started via a slightly longer than average tow...let it warm-up then took it repeatedly, VERY repeatedly to 7k+ rpm!! -I live near a section of the freeway that lets me do a continuous loop, approx 2 miles... Hahahehaha!! ROTARY POWER.
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