The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Thompson power blast plate- Carb innovation?

davepl · 09-05-2016, 01:29 PM

If you had an O2 gauge you'd see, if you could come up with a repeatable way of blipping the throttle, the motor get richer than it did without the device. That's because more of the fuel that's being fired by the accelerator pump should be burning, using up more O2, and that should show up.

Kinda tough to come up with a repeatable test though I think.

09-05-2016, 01:29 PM	#21
davepl Registered User Join Date: Aug 2006 Location: Redmond, WA Posts: 6,332	Re: Thompson power blast plate- Carb innovation? If you had an O2 gauge you'd see, if you could come up with a repeatable way of blipping the throttle, the motor get richer than it did without the device. That's because more of the fuel that's being fired by the accelerator pump should be burning, using up more O2, and that should show up. Kinda tough to come up with a repeatable test though I think. __________________ 1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible