its a square bore
Even though the secondairy throttle plates are larger than the primary that is still a square bore carb. Spread bores like the Rochester Qjet Carter thermoquad or the holley spread bore have very small primary and very large secondairy throttle plates. Randall
Even though the secondairy throttle plates are larger than the primary that is still a square bore carb. Spread bores like the Rochester Qjet Carter thermoquad or the holley spread bore have very small primary and very large secondairy throttle plates. Randall