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Re: [Roadsters] Porting, Polishing, Squish, Quench,

To: chalsted@comcast.net, drlsmith@dccnet.com
Subject: Re: [Roadsters] Porting, Polishing, Squish, Quench,
From: Keith0alan@aol.com
Date: Thu, 25 Sep 2008 08:45:07 EDT
I have modified SU carbs for the 1600 to flow way more than stock. In  
testing I put them on my stock 1600. I measured no increase in performance. The 
 
stock carbs are fine on a stock engine. However, bolting them onto a real 
8,000+  
rpm race motor was a different story. It takes quite a bit of time to do a 
set. 
 
keith williams
 
 
In a message dated 9/25/2008 4:52:46 A.M. Pacific Daylight Time,  
chalsted@comcast.net writes:

one of  my race roadsters has a BRE prepared engine which has what they 
called "1  1/2 bbl carbs"  which were ported out from the slide under the 
dome  to the outer face of the carb in such a manner that they basically had 
an  internal velocity stack- they ported them out almost to the bolt holes 
for  the air cleaner... flowed darn close to as much air as Solexes but 
didn't  have to go to C Production as the Solex cars were required to do, 
could  still run D Production. doesn't seem it would be that difficult of a  
modification...the other race roadster was in the National runoffs 3x and  
according to the guy who used to race it was the lightest race 2000 Bob  
Sharp ever weighed in including the "salt damaged" cars (lightweights)...  
they're "available" if anyone's looking for such... ;-)
Craig
Datsun  Roadsters  mostly...
http://community.webshots.com/user/672000
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