[Land-speed] Ford Flathead

Jim Dincau jdincau at qnet.com
Thu Aug 5 13:31:21 MDT 2010

In the standard configuration the exhaust port goes through the water jacket 
creating chronic overheating.

----- Original Message ----- 
From: "Joe & Lynne Lance" <jolylance at earthlink.net>
To: "'dan warner'" <dwarner230 at yahoo.com>; "'Jim Dincau'" 
<jdincau at qnet.com>; <drmayf at mayfco.com>
Cc: <land-speed at autox.team.net>; "'desotoman @dslextreme.com'" 
<desotoman at dslextreme.com>
Sent: Thursday, August 05, 2010 12:07 PM
Subject: RE: [Land-speed] Ford Flathead

> What is the advantage of the reverse port configuration ?
> Since the two inner exhaust ports on each side of the flat head are
> siamesed, I would think using those exhaust ports as intakes would add
> additional flow restriction if used for the intake side.
> If I remember correctly, the FLATFIRE engine uses the reverse port
> configuration but is turbocharged. Even then I don't see an advantage to
> reversing the ports. Reduced back pressure when exhausting thru the 
> original
> intake ports ? ---what am I missing ?
> Lance
> -----Original Message-----
> From: land-speed-bounces at autox.team.net
> [mailto:land-speed-bounces at autox.team.net] On Behalf Of dan warner
> Sent: Thursday, August 05, 2010 12:42 PM
> To: Jim Dincau; drmayf at mayfco.com
> Cc: land-speed at autox.team.net; desotoman @dslextreme.com
> Subject: Re: [Land-speed] Ford Flathead
> Well Mayf,
> Instead of asking questions like "What exactly defines what vintage is?" 
> you
> might try to read the rulebook. Take a look at section 2.A.1.
> And, for your education, the reverse port configuration for the flathead 
> V8
> was used before the war in oval track racing. History is an interesting
> thing.
> DW

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