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Re: [6pack] 6pack Digest, Vol 5, Issue 88 SU needles

To: 6pack@autox.team.net
Subject: Re: [6pack] 6pack Digest, Vol 5, Issue 88 SU needles
From: Jgk423@aol.com
Date: Mon, 9 May 2011 01:10:28 -0400 (EDT)
Hi Tom,
 
Things from years ago keep popping up in memory.  My recollection  on CV 
vs. ZH needles is that one is richer at the low end and the other is  richer 
at the high end. I can't remember which is which, but for a bone  stock TR6 
or for my slightly modified TR6 that still has a stock cam, either  works 
pretty darn well.
 
In both cases I mentioned, HS6 carbs with adjustable jets were used,  which 
I'm thinking may make up for some of the differences in needles.  In  my 
case, minor engine mods and ZH needles has  yielded gas mileage in the low to 
mid 20's, similar to what I was  getting with all else equal except running 
stock carbs.
 
I can't really say that I'm getting more power or better  acceleration from 
the SU's, that would be seat of the pants judgement  influenced no doubt by 
the happy noise of the header and Dynomax mufflers, but I  am for sure 
having fun with the combination of all factors, and no issues other  than those 
crappy rotors that have been superceded by the red  ones.
 
Jim
 
Hi Tom,

You've jogged my memory.  I was wrong about  needles from the AH 3000  
MkIII.  Joe Curto was using the CV  needles from earlier AH 6 cylinder  
models.  
This was over 10  years ago, since then  he may have found  something he 
likes  
better. 

Hope I didn't lead anyone down the proverbial garden  path.

Jim 
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