General Category > Quadrajet Carb Talk and Tips

Think im running way to lean

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Mr.Pontiac:
Cliff, you helped me set my 17056240 carb, up, runs and starts fantastic, but after a run my plugs are like bran new not even a slightest tint to them. Running off 67 jets only, with small float set at 1/4 and .135 needle and seat arangmant.Idle tubes pulled and set to .038 idle down set at .060. worried im running to lean.You thoughts would be appreciated. Am i worried about nothing?? Running electric fuel pump, set at 7 psi. 1/2 line all the way.

Cliff Ruggles:
If it runs fantastic, leave it alone.  It is impossible to read plugs with this new fuel, it just burns too clean.  In any and all cases, go by how the engine performs.  If it were lean on primary jetting, it would "surge", hesitate, stumble, or be "flat" on power on the primary side only.....Cliff

Mr.Pontiac:
That makes me fill alot better , Thanks for your reply

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