Holley 6709 double pumper 750 carb info

Which begs the question.....
If a backfire doesn't blow the PV......why did Holley add back fire protection.

Because the market wanted it. That’s why. Morons on the internet sniveling and whining like school girls about something that wasn’t.

Which begs the question…
Why do you care? You think the Carterbrock is the ultimate carb. So why **** up this thread with your continual bullshit?

Take your nonsense somewhere else. This kid wants to learn. He doesn’t need fools like you sending him down a rabbit hole looking for performance from a carb that can never compete with a Holley design I either power or driveablity.