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Tech Forum : Do you Reckon what it claims is true?

- BMW E21 Community
   - Tech Forum
      - Do you Reckon what it claims is true?
  Posted Sunday, Mar 11th 1:10pm [Edit] [Quote] [IMS] [View car]

Post nr. 21


i've stumbled across a weird part that sandwitches inbetween the bottom end and sump of the M10 engines

http://cgi.ebay.com.au/BMW-2002-M10-Crankshaft-Scraper-windage-tray_W0QQitemZ170088773541QQihZ007QQcategoryZ102322QQrdZ1QQcmdZViewItem

I've never seen this before.

  Posted Sunday, Mar 11th 4:06pm [Edit] [Quote] [IMS] [View car]

Post nr. 1105


Crank scrapers have been around a long time. They do work at high RPM. I would consider one for a track engine but I don't see the benefit for street use.

  Posted Sunday, Mar 11th 7:31pm [Edit] [Quote] [IMS] [View car]

Post nr. 1


The crank scraper will do everything the seller said it would. You will gain some hp at high RPM because it strips the crank of all the excess oil flinging off, in effect reducing the rotating mass of the engine. I would say the biggest benifit is going to be keeping oil from climing the block in hard left hand turns.
In my opinion it's good insurance for any street car that gets driven hard, but a must for anything that sees track time. Here's a pic of my Ishara-Johnson scraper, it has trap doors that close to keep the oil from running up the side.


  Posted Monday, Mar 12th 4:28am [Edit] [Quote] [IMS] [View car]

Post nr. 22


Hehe, something new you learn everyday , nice bottom end jrcook320.


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