['ol Pinion head]

WC is the pick code of an original 7040273.

For a 49 state non RA '70 455 GTO, the 7040267 XB was used.
Believe XC us the pick code of an original 7040268, have one of those as well.

Pricing on nice original 7040273's is way up there, know of several on here that have nice originals for sale.

[4GTOSplus]

Originally Posted by 'ol Pinion head

WC is the pick code of an original 7040273.

For a 49 state non RA '70 455 GTO, the 7040267 XB was used.
Believe XC us the pick code of an original 7040268, have one of those as well.

Pricing on nice original 7040273's is way up there, know of several on here that have nice originals for sale.

So from what I have found even though the build sheet on this car has XC in the carb slot which refers to a 7040268 XC. (automatic). But actually installed a 7040273 WC being a 4 speed. Something about RPO? Anyone have knowledge on this?

[4GTOSplus]

Originally Posted by 4GTOSplus

So from what I have found even though the build sheet on this car has XC in the carb slot which refers to a 7040268 XC. (automatic). But actually installed a 7040273 WC being a 4 speed. Something about RPO? Anyone have knowledge on this?

So after copying build sheet. Pretty stained I have figured for sure WC is printed in carb box on build sheet. Sorry for the confusion. Also watch out for scammers here. Was contacted by phone after a private message was sent to me. Oregon number and from a suspended PY account

[Held for Ransom]

Originally Posted by 4GTOSplus

So after copying build sheet. Pretty stained I have figured for sure WC is printed in carb box on build sheet. Sorry for the confusion. Also watch out for scammers here. Was contacted by phone after a private message was sent to me. Oregon number and from a suspended PY account

Carb now fits. Box 60(1) is options code T42(601) Hood, air inlet (Ram Air).