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Originally Posted by spl310
Has anyone used the scrapers made by Ishihara-Johnson? The reason that I ask is that they used a couple of my engines as models for some of their units (not Ford engines), and gave me some samples. I even got one for the small block Ford that I have on the stand in the garage. If you used one, what do you think? Is it worth it to install these? They claim some pretty impressive results from this simple bolt on. Is it too good to be true?
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See my old thread on this very topic: Read the reply from Kevin Johnson. He breaks it down.
I made my own scraper out of stainless for my 3.25" stroker. It took me about 20 hours.
Crank Scraper
Good luck, John