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Are crank scrapers worth it?
#85847
07/08/08 03:36 PM
07/08/08 03:36 PM
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Anonymous
OP
Unregistered
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Anonymous
OP
Unregistered
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I know they pretty much require that you hand build them for each application to be most effective.
Does oil wrapping around the crank really sap that much HP?
What's the minimum clearance should I have between the crank and the scraper?
What materials do you guys make them out of?
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Re: Are crank scrapers worth it?
[Re: dOc !]
#85850
07/08/08 04:16 PM
07/08/08 04:16 PM
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Joined: Jan 2003
Posts: 14,610 Not2farfromNashville, TN
Rug_Trucker
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 14,610
Not2farfromNashville, TN
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Suppossed to be worth 10+HP on a slant!
What is this about factory SB windage trays being junk?
"The only thing to do for triumph of evil is for good men to do nothing"
"NUNQUAM NON PARATUS!"
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Re: Are crank scrapers worth it?
[Re: Rug_Trucker]
#85854
07/08/08 09:55 PM
07/08/08 09:55 PM
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Joined: Jan 2003
Posts: 20,167 Park Forest, IL
slantzilla
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 20,167
Park Forest, IL
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There is a guy in Florida who builds them for about any engine you want. IIRC, he usually has an ad on E-bag. I have one in my Slant. It did require grinding and trimming to get it in just like the windage tray did. I would be very surprised if the dyno showed I gained 10 horse from the scraper and tray together. Unless you plan on spending a lot of time above 3500 rpm I wouldn't bother.
"Everybody funny, now you funny too."
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Re: Are crank scrapers worth it?
#85856
07/09/08 09:42 AM
07/09/08 09:42 AM
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Joined: Nov 2003
Posts: 3,060 Western New York
sixpackbee
master
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master
Joined: Nov 2003
Posts: 3,060
Western New York
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Scrapers are worth power on any application. On A engines use a scraper only. On B eninges use with a tray.
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