[Roadsters] Porting, Polishing, Squish, Quench, and Turbulence.

[Paul]

  At Sloan Racing, we run a set of Keith's SUs on a 8000 rpm+ R16 with great
success!

Paul
Ohio

-----Original Message-----
From: datsun-roadsters-bounces+9laser3=bright.net at autox.team.net
[mailto:datsun-roadsters-bounces+9laser3=bright.net at autox.team.net] On
Behalf Of Keith0alan at aol.com
Sent: Thursday, September 25, 2008 8:45 AM
To: chalsted at comcast.net; drlsmith at dccnet.com
Cc: datsun-roadsters at autox.team.net
Subject: Re: [Roadsters] Porting, Polishing, Squish, Quench, and Turbulence.

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 at 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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