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Old 12-19-2010   #78
bdw18_123
 
Join Date: Apr 2009
Location: Prather, CA
Posts: 804
Default Re: My '90 ZR-1 project update thread

Quote:
Originally Posted by Jagdpanzer View Post
Great results especially on the LT5 and ZF clean up.
What prep did you do before using the power washer?
And did you use just water with the power washer or with a cleaner solution?
Before powerwashing I taped up/plugged every opening that I didn't want water getting into (cylinders, oil passages, etc.). I used some tape called 'Gorilla Tape', it looks like black "duck/duct" tape but is stickier and stronger. I also remove most of the remaining sensors.

I then soaked all the oily/dirty areas with engine degreaser to loosen the grime. For some of the heaviest soiled areas, I had to spray degreaser then powerwash several times. I just sprayed the degreaser separately then used the pressure washer with just water, I didn't spray a mixture of water/cleaner.
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