Quote:
Originally Posted by north
Hope it helps! What’s surprising is how much easier it is to find dual snorkel versions than the one in question. I guess everyone and his brother switching their GTO to repro Ram Air kits has created a glut of the 69-72 dual snorkel versions.
There is also another four barrel air cleaner used in those years with no chrome lid and a longer narrower snorkel. They were used on 68-69 big car and GP 400’s as well as the 428-360 in the 69 big cars. The snorkel on these looks a lot like the one on two barrel air cleaners of the same era.
|
Here is a chart for the Assembly manual for 1969 air cleaner assemblies (thanks to Ross Anderson). You must compare the 7-digit number to determine the 2-letter application. The 350 HO uses code ‘PT’ with the HD (oiled) air filter and the baffle silencer at the snorkel opening. I’m not sure what the ‘D/’ & ‘T/’ means, but I’m pretty sure ‘W/” is ‘With’. Code ‘PP’ is the 428 (L79 – 360 hp) GP application with the large single snorkel.…not sure if with or without the HD filter & silencer. The 7-digit number would clarify.
My brother’s ’69 Catalina Ventura’s 428 (L79) has the small snorkel but missing the silkscreened application on the air cleaner base (repainted by a previous owner).
Dennis