Pump jets adjustment - Alfa Romeo Forum
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Location: Staffs, UK
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Had a 33 1.7 QV

Pump jets adjustment

Been searching around for info about adjusting the pump jets.
Got large ones in now and I feel they are pumping too much too fast.

Can I adjust them to pump slower or later?

Can this be done by turning the nuts anticlockwise to pump less? Is this correct or do I just need smaller ones?
They are not cheap.

Got 33's and 45's. Maybe the 33's need to go back on which are a bit lean especially with my new K&N style filters and trumpets which suck in loads of air on take off.
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adjustment , jets , pump

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