Quote:

i have a pair of ex manifolds 440 hp with these #s on em 9299, and 9179, whats the dates? and how do u tell?



A lot of the time manifold dates are pretty straight forward 9 29 9 = September 29th 69 and 9 17 69 = September 17th 1969

Seeking:

1969 St. Louis plant VINs, SPD, and VONs.
Over 2,000 thanks to you!