Quote:
Originally Posted by NFERGY 2011 RJT
how often should you do this? had mine 3 years and 18,000 miles and I have a catch can
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i would only do this once especially since you have a catch can now, i believe if you keep seafoaming your car you get bad deposits in unwanted areas...
@ Cant_C_Me
For cleaning your crankshaft, to clarify, you pour in half the STP treatment then you change your oil around 50-100 miles later?