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I have a problem with my carb its hard to to open the secondaries without pushing my foot hard on pedal. i have bent two pedals . Now i remember after we put supercharger on that a mate set up the carby . he changed something to make it harder to push the secondaries until i got used to driving it on the street. this was years ago now.
holley 750 mechanical secondaries - 4150
You might want to check the secondary linkage for binding and see what he put on it for a secondary return spring. If anything looks bent, twisted, or just wrong Holley sells all the replacement bits and pieces to make things right.
Why not go back to the "mate" who did the setup and say WTF???Quote:
Originally Posted by dfly
JMHO, but we're flying blind, hard to help without more info & a few pictures;1). How does the throttle connect to the carb, cable or linkage?And any other info you can think of that might help us help you.
2). Pictures of the carb and its linkages.
3). Pictures of the throttle linkage connecting to the carb.
My first thought, like Mike's was "Ask your mate what he did to your carby." Next was like 36 sedan, show us what you've got! Unless you post some pictures and explain your linkage and modifications we're tossing darts in the dark, little chance of helping you at all.
thanks for feed back but bloke who did work has since lost the plot . As Dave and Deny w said binding maybe ,i took off secondary linkage and secondary return spring checked it out looks all good checked out holley page refitted and adjusted the way they said seems better now . now just wont idle will run good at 1500 rpm .
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Thanks now running good bit of minor tuning now to do some improvements sorry fellas it’s a 350 60 thou over with wieand 142 750 Holley 1 inch spacer Brodix heads 2 1/4 twin system 4psi fuel pressure runs on 98 octane 3/8 fuel line now idling 1200 . turbo 400 box stage2 shift kit 9 inch diff 3.55 . Good. Streeter for 20 years