I dropped the jets from 62 to 58 and then found. It was running too rich, black soot all the way out the pipes.
Single feed fuel inlet for easy installation Hello, Wondering if anyone out there can shed some light on jet sizes in a Holley 600 w/vacuum secondaries on a 1970 302 with 351w heads, a mild cam, and headers.Compensate for all vehicle weights, gearing & transmissions to allow smooth opening of secondaries. Vacuum secondaries for use on wide variety of vehicles.
Whatsize power valve stock 1850 holley manual#
Manual choke (cable actuated - hand controlled) for precise cold start control.Universal calibration for easy bolt-on performance.Performance upgrade for stock to mildly modified vehicles.Vibratory polished aluminum for good looks, weight savings and long lasting shine.IT IS NOT A COMPLETE LIST OF ALL CARBS MADE BY HOLLEY OVER THE YEARS. THE FOLLOWING IS A PARTIAL LIST OF HOLLEY LIST S FOR SOME OF THEIR MOST POPULAR CARBS. This model is going to be obsoleted and replaced by 0-1850S. These carb tuning aspects are discussed on our 'HOLLEY TUNING TIPS' webpage. The 1850SA is constructed from aluminum which compared to its zinc counterpart equates to a weight savings of 40%! Being aluminum also means it will hold its shine and can be hand polished for a custom look! Don't trust your performance to just anyone, Holley is the only modular carburetor company that has been in business for over 100 years and has powered every NASCAR champion since the 60's. One of the most trusted carburetors of all times -the 1850! Its 600 CFM of airflow, vacuum secondaries, single fuel inlet and mechanical choke makes it amazingly universal.
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