Quote:
Originally Posted by Socale39
Acetone was by far the best. Melted the carbon deposits away. I tried several degreasers and Acetone was by far the winner. For the swirl flaps you could literally submerge them in Acetone and then just using a brush agitate the deposits away.
As for the manifold I just poured Acetone in it and let it set for a while upside down on my bench and then worked it with an assortment of brushes I got from Harbor Freight. This was after I submerged the manifold for 2 days in simple green commercial grade degreaser. This combination seemed to work pretty good.
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Same here... The plastic is glass reinforced nylon that resists to Acetone without issues. I would have been a bit worried in using acetone one the swirl flaps since they have rubber gaskets: both Buna and Viton don't really do well with acetone.