[Huskinhano]

I’m pissed at it for stalling in the stop box at the autocross. A known problem with the Edelbrock. I tried the off-road float needles but it didn’t make a difference.

I’m not sure if it’s flooding or starving under the hard braking but either way it’s unacceptable to stall and not be able to move when you have a car behind you.

Plus if I can get a bit more response I’ll be happy.

Based on my AFR gauge I feel the Edelbrock is tuned pretty well and makes a really nice street carb. Hopefully the Summit performs better on the autocross track.

I’ve run both on my car. I would say the Summit seemed to feel slightly better if I had to pick something out between them but not earth shattering. I went back to the Edelbrock only because I have a tuning kit for it. The Summit I forget either was rich or lean at part throttle and a jet kit was like $100. What I was disappointed by theSummit is a lot of rough areas inside the boosters that were not deburred. I feel there’s a lot of room for improvement. Over all the Edelbrock is made and finished much nicer.

 

[Huskinhano]

I’ve run both on my 66. A used unrebuilt 600 Edelbrock and a new Summit 600. My back to back are pretty close. I will say the Summit seemed to be slightly smoother but not a night and day difference. I went back to my old Edelbrock primarily I had a rod and jet kit while I didn’t for the Summit and it was around $100. I forget whether it was going lean or rich at part throttle.

If you buy the Summit I’d highly suggest going through it before using it. It’s not as nicely made as the Edelbrock. Inside the boosters were a lot of burrs not removed from drilling. Jet markings are poorly stamped as well. Don’t get me wrong, they’re nice but I feel there’s more to be had with performance by going through it and detailing it.

If I was going out to buy a new carb, for me it would be the Edelbrock AVS with annular boosters.

 

[Huskinhano]

Color me stupid: wouldn't rough areas increase turbulence and improve mixture?

Sometimes yes sometimes no. In this case no because it has to meter and evenly disperse the fuel going into the airstream.