holley 750 secondary question

[darrin75]

What spring comes out of the box with this carb,  I have had my car into the 90mph range with a string on the rod and little to no movement, I think This has been alot problems for me??

[69chargerR/T]

What spring comes out of the box with this carb,  I have had my car into the 90mph range with a string on the rod and little to no movement, I think This has been alot problems for me??

If its a 3310 it comes with the plain spring, you may want to try a yellow spring. Try putting a paper clip on the rod and slide it all the way up on the rod, and do a full throttle run, and then see if the paper clip moves and how much, that will tell you if its opening and  how much its opening.


                                                                             Alan

[darrin75]

i used a string, but still same principal, no movement maybe a air, so switching the spring is in the works.