Ahhhhh yes, the great Holley 4150 carb design.....
- the one with the mickey mouse power valve [ PV ] arrangement that NOBODY else uses....
- the PV that uses rubber, that over time becomes affected by heat, & changes the PV value.
- where the PV fuel cavity has the feed holes to the main well half way up the cavity...which means the fuel has to fill up the cavity to reach the holes before fuel can enter the MW. This all takes TIME which causes a delay in fuel enrichment...
- the torturous path the fuel has to take to even get the MW causes a delay in response. These carbs can never have the tip in response of a met rod carb.
- leakage of the acc pump fuel, which took YEARS to fix by using a brass tube with o rings.
All first year engineering student stuff & it took years for the faults to be corrected.
AFB, AVS & TQ carbs did not have any faults/modifications needing correction, they were perfect from day one....
