RE: Another carb change

["Earl H. " <earlh@xxxxxxxxxxxxxx>]

Rich,

Float adjustment has quite a bit to do with tuning. I am sure they 
were the problem as far as the pressure bleeding off. Most of the 
Eddys I have messed with have had the floats set to low (close to 
the bottom of the top carb plate) stock.

One very important thing to check on the Eddys is that at WFO both 
butterflies are all the way open. A lot of Eddys the secondary does not 
open all the way. It takes quite a bit of messing with the linkage to 
get them right. Sometime try a Street Avenger. Just for Kicks. <;-)

Earl


Earl Helm wrote:
> 
> Rich,
> 
> I don't know if you have ever tuned a motorcycle carb, but tuning an 
> Eddy is the same thing. The metering rods (needles to us old timers) 
> are for fine tuning mid range and low end. Having said that, you do 
> have
> 
> to have the correct metering rod for a jet range, which I am sure you 
> picked
> 
> up from the book. You mentioned it stumbled at wide open throttle. At 
> wide open, the needles are out of the jets, so get it running at WFO 
> and pulling strong by playing with the secondary. Then start playing 
> with the needles and the primaries for low end and mid range.
> 
> Keep in mind the temp range where you live. If you tune it on a 60 
> degree day with low humidity, it is going to be a bit fat in the 
> summer. In Salt Lake we get ranges from 0 to 100 degrees. I like them 
> spot on for about 75 to 80 degrees. Seems to be a good tune for large 
> swings in temp and humidity for street driving.
> 
> Earl
=====================================================================

Thanks Earl. I'm beginning to feel comfortable taking it apart now. As a
matter of fact I'm gonna run downstairs and change it again right now!

BTW: I noticed that the fuel line holds 5.5psi for quite awhile after
adjusting the floats. I wonder if the sagging floats allowed the pressure to
bleed off before?



Rich Kinsley  '64 Polara 4 dr 318poly w/goodies


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