CLASS RACER FORUM - View Single Post

L.Fite · 03-19-2021, 05:25 PM

From the NHRA Replacement parts list under NOTES

Replacement Carbs -
*All venturi dimensions include the .015" maximum allowance/tolerance for Rochester Qudrajets/Edelbrock replacements and
.005" for all other carburetors.
- Modifications are limited to disabling the choke operating mechanism; replacing boosters, jets, needles and seats, accelerator
pumps (with same volume only), and squirters; replacing or modifying float assemblies and metering rods; resizing existing fuel
and air bleed passages; and drilling idle holes in the primary throttle plates. The original bodies, base plates, float bowls, and
metering blocks are required.

03-19-2021, 05:25 PM	#59
L.Fite Senior Member Join Date: May 2020 Posts: 517 Likes: 559 Liked 497 Times in 243 Posts	Re: And the penalties are??? From the NHRA Replacement parts list under NOTES Replacement Carbs - *All venturi dimensions include the .015" maximum allowance/tolerance for Rochester Qudrajets/Edelbrock replacements and .005" for all other carburetors. - Modifications are limited to disabling the choke operating mechanism; replacing boosters, jets, needles and seats, accelerator pumps (with same volume only), and squirters; replacing or modifying float assemblies and metering rods; resizing existing fuel and air bleed passages; and drilling idle holes in the primary throttle plates. The original bodies, base plates, float bowls, and metering blocks are required.