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1. 05:07 AM - Re: Re: Engines-List Digest: 3 Msgs - 10/03/04 (Archie)
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| Subject: | Re: RE: Engines-List Digest: 3 Msgs - 10/03/04 |
--> Engines-List message posted by: "Archie" <archie97@earthlink.net>
Stu,
As an ex-college professor, I perhaps, should have chosen a less emphatic
word. In many cases, this is what it requires to obtain the attention of
those
not aware of what modifications are effective, and of those persons who
may be victimized by "cosmetic" reworks.
We have learned through over thirty years of flow work, that "polishing" the
induction system is essentially detrimental due to the static boundary layer
at
all velocities.
I searched my archives for a typical, "all out" flow rework, and found the
total
time on a small block Chevrolet Intake, Heads, and Exhaust to be 131 hours,
of which 19.7 was in process flow testing, and 4.1 was welding.
The mods performed on the first O-200, with results of 161 hp,
were a labor of love, and I have no record of the time. (a great deal).
Perhaps this is bit bit long winded, but I am passionate about performance
modifications.
Archie
> --> Engines-List message posted by: "Stu Bryant"
> <s.j.bryant@sbcglobal.net>
>
> Gary,
> Try Ly-Con about 3 and a half hours North, in Visalia. I hear they have a
> solid reputation and understand the homebuilt sector.
>
> http://www.lycon.com/
>
> Archie, do you think maybe you come on a little strong calling porting and
> polishing "snake oil"? No it is not a panacea, and yes it is labor
> intensive
> and expensive. I take your point that it is not always worth the expense.
> But it can be beneficial under the right circumstances. I'd stop short of
> calling it snake oil, just not always a good investment.
>
> Stu
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