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Re: new project - scraper

To: vinttr4@geneseo.net, fot@autox.team.net
Subject: Re: new project - scraper
From: N197TR4@cs.com
Date: Fri, 27 Jan 2006 10:08:58 EST
Jack, we will be looking for two of these scrapers.

Joe Alexander        (2) Scrapers      Stock Rods and Stock Crank.  Stock 
Pans

I assume that the design will be secured at the bottom of the engine and not 
with the pan?

This seems like a no brainer for us.

Joe




> I've just finished development of a "crank scraper" for the TR4 with 
> Moldex crank and Carillo rods. Two prototypes are finished, one for 
> my car for the coming season and one for cost estimating. For those 
> not familiar with crank scrapers, this is a steel plate that is held 
> in the sump by the main cap bolts. It is shaped to fit very close to 
> the rotating rods and crank, stripping away the huge cloud of oil 
> through which the rotating parts must be pushed.
> 
> Management of the oil in the sump can yield significant horsepower 
> gains. Scrapers, windage trays, and dry sumps are known technologies 
> being used on racing engines of all kinds. A friend who runs a 
> Mustang drag racer with about 550 hp can gain 40 hp on the dyno by 
> lowering his oil level -- but that's a daunting task to accomplish in 
> real life in a drag car.  Literature says that horsepower gain for 
> our size engines is anywhere between two and seven, depending on rpm 
> and whose tests you read.
> 
> I may offer these for sale if there is enough interest. I may also 
> develop one for the stock crank / Carillo rod setup and maybe the 
> stock crank - stock rod setup if there is enough interest.
> 
> The part is now out for quote, but I need to estimate a run quantity.
> 
> Anybody interested besides me? If so, what configuration bottom end 
> (what kind of crank and rods?) Please reply off list. Thanks.
> 
> uncle jack 


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