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Re: [Roadsters] Carb Saga - Almost done!

To: gtpjimgammon@yahoo.com, datsun-roadsters@autox.team.net
Subject: Re: [Roadsters] Carb Saga - Almost done!
From: Keith0alan@aol.com
Date: Fri, 4 Jul 2008 17:52:54 EDT
In a message dated 7/4/2008 1:45:47 PM Pacific Daylight Time,  
gtpjimgammon@yahoo.com writes:


I  did discover something wrong with the car. I had not removed the  
insulators
the first time, because they were very securely glued to the  mainfold. But
this time I did. I found that some nimcompoop had not done it  right many 
years
ago. Part of one gasket between the insulator and the  manifold was missing,
and I expect that air leak was my problem in the  past. I'd guess .005 x 1/2",
enough to cause havoc, but be  unseen.


Better than great globs of gasket goo. Those gaskets are part of the  
insulator so they are not available from Nissan seperately. Not a problem  
though, 
cut one out of regular gasket paper. Here's what I do. Use an exacto  knife and 
carefully scrape the old gasket off. Once the bleeding stops I buff  the 
insulators with compound and a cloth wheel. Folks keep asking where I find  new 
insulators. 
 


On  the the LATEST problems.

I put in the new ZTherapy carbs, and had no  problem until I went to do the
high speed synchronization. With the  balanace screw REMOVED, the rear carb
open first. There is no adjustment. I  believe it is in correctly. I had to
make a shim to take up the slop (about  .030) in the front linkage interface 
to
get them  equal.


Not Ztherapys fault. The tabs that link this together are so commonly bent  
that I'm not at all surprised that you had this problem. Often I'll need to  
tweek them on the bench. If you study the linkage you should be able to see  
where one or more are not quite square. A little bend and you should be good to 
 
go. That's one benefit that I have selling the manifold and carbs as a set, I  
can do a check for that on the bench. 
 
keith "packing the ice cream maker, carb stuff, and heading for shasta"  
williams



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