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Old September 8th, 2013, 02:17 AM
huntaaar huntaaar is offline
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Join Date: Jul 2013
Location: grand rapids
Truck: 1967 c2500
Age: 35
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Default Re: holley 500 2 barrel. What jets?

yeah the holley is a huge improvement over that dog crap asthmatic fuel dumping stromberg. with the stromberg i had to keep the pedal to floor to do 55 and the engine sounded like it was going to explode! with the holley 500 i do a relaxed 65 all day at half throtle. she'll do 75 but she dont like it (friggen 4:10s). i get 14mpg for about 4 gallons right after i change my plugs and oil, then it goes to 12 for about a week then back to the painfull 7-9. i cant keep those plugs clean! ive re jetted, re power valved, replaced points, condenser, rotor, cap and wires. right now im in the process of doing the timing and looking into a hotter coil. somthings gotta give eh... oh im gonna try that throttle plate thing too. thanks guys, as always any input is awesome and this site rules.
currently running: # 67 jets, r45xl8 acdelco plugs(suposed to be hotter) at .035. stock coil, unknown squirter nozzle size but i'll check it tomorrow if my wife lets me.
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