Re: Numbers matching?
 

No head shaking here. You sure yours isn't a 7029224?
According to the AWESOME info in the link I posted, 7029224 was used in a Chevy truck in 69 with a 350 and auto trans. The the main jets are 67's, the main rods are 38's the power piston spring number is 7037851, the secondary rods are stamped AN and the rod jet area is 2.3915 and 2.9947
QB is a plant code and the manufacture date was the 174th day of 1969.

I don't know the name of the guy that stamped it. ;)

Jeff