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carb tune info

6779 Views 5 Replies 6 Participants Last post by  Elduderino
Id start by checking for vacuum leaks and verifying the timing curve

Id start by dropping or raiseing the fuel pressure to 5.5 lbs and verifying your getting a minimum of a 1/2 gallon a minute unrestricted flow

Id start at all four jets #70

Id install a NEW power valve and ID buy several,if your carb uses them, so I could play/exchange/test

start here, theres no sence in guessing

heres where
a infared non-contact thermometer helps diagnose mixture problems very quickly, but youll need one that reads into the 1400F range for the headers for quick diagnoses

temperature range from -58 to 1832°F

I use this one :grin: (above) and youll need to learn how to read plugs (this may help)

heres A/F

a few places to look for plug/ignition info

heres other options Chevrolet Distributors.asp

Spark plug /ignition info]http.../garage/hei.htm

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Thanks Grumpy
I havent read all that yet, but i propose a sticky so it is easy to find.

I love this forum.
Very Nice, great info that will help a lot of others.:thumbsup:
Wow! Great research! Thanks!
Is that all? jk

Thanks, as soon as Im done with War and Peace ill start reading...
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