Thanks for the info Chuck . What is a " crankshaft oil scraper " ? Also what
is your opinion
regarding painting the inside of the block with glyptol to aid oil draining
back into the sump ?
Thanks again ,
Mark Hanna
AN5
> -----Original Message-----
> From: cfchrist [SMTP:cfchrist@earthlink.net]
> Sent: Sunday, July 25, 1999 6:10 PM
> To: spridgets@autox.team.net
> Subject: high r.p.m.
>
>
> high rpm is all in the preperation and balance. a hardened crank.
> polished
> rods. crank shaft oil scrapers and oil pan baffles to deter oil from
> splashing up on the rotating mass( crank/rods) while running. you wouldnt
> believe how much power is lost in a motor due to oil splashing around in a
> motor while it is running. the name of the game is to produce as much
> power
> as possible , and sacrifice as little as possible to drag and friction.
> this will yeild transfering the power going where you want it.. the rear
> wheels. there are a lot of things wich can hamper a small engine wich in
> a
> big motor are over come by shear size. a small motor requires evry
> advantage to reduce reciprocating weight and streamline rotating mass.
> evrything gets polished to aid in the oil return to the pan and lightened
> to
> so there is less effort to make it run. the result is a high rpm, very
> responsive engine. the choice of cam(many variables), piston
> type(compression ratio), amount to shave off the head and block(at head
> gasket surface) , type of rocker arms, valve springs, valves, and even
> distributor are all contributing factors to limit or assist in creating
> horse power. this all aplies to any engine. but small cc engines really
> respond well to a lot of T.L.C. in preperations. in the end you have a
> giant killer in sheeps clothes! but it does not come in a spray can or by
> purchasing a spefic cam like the chevy boys do it. oh yes also a
> seriously ported head and good exhaust system also are big factors in the
> power being generated . so lots of preperation and homework some really
> big
> mistakes( best remembered and hardest learned) result in making some
> serious
> modifications reliable enough to go forth and slay giants! chuck.
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