Liberty Blue '69 Grand Prix SJ 428HO 4-Speed

[Mallard]

Absolutely beautiful car! Brings back memories, I had a 69 GP SJ 428-370 HP (turbo 400 auto), back nearly 50 years ago. Interesting though, mine had a twin snorkel air cleaner.

[carnut4life]

Originally Posted by Mallard

Absolutely beautiful car! Brings back memories, I had a 69 GP SJ 428-370 HP (turbo 400 auto), back nearly 50 years ago. Interesting though, mine had a twin snorkel air cleaner.

The dual snorkel air cleaner was a $9.48 option on all 1969 Grand Prix's.

[grantprix]

Originally Posted by carnut4life

The dual snorkel air cleaner was a $9.48 option on all 1969 Grand Prix's.

Really? I've never seen or heard of this, is it shown on the order form?

[carnut4life]

Originally Posted by grantprix

Really? I've never seen or heard of this, is it shown on the order form?

It was listed under sale code 731 UPC K45 as "Air Cleaner Dual Stage HD $9.48" I've seen at least half a dozen Grand Prix PHS's over the last few years the have it listed. The few I've seen this one had the dual snorkel air cleaner, maybe the owners added it then? They sure look better than singles that's for sure.

https://www.xr793.com/wp-content/upl...er-Booklet.pdf

[grantprix]

Originally Posted by carnut4life

The dual snorkel air cleaner was a $9.48 option on all 1969 Grand Prix's.

Oh, I see what you're referring to now... UPC code K45, HD Dual Stage Air Cleaner. This was just a heavy duty element with additional oiled foam around the paper element.

Here's a photo of the HD instruction label from one of my old '69 GP's.

[grantprix]

Originally Posted by Mallard

Absolutely beautiful car! Brings back memories, I had a 69 GP SJ 428-370 HP (turbo 400 auto), back nearly 50 years ago. Interesting though, mine had a twin snorkel air cleaner.

A lot of guys added dual snorkel air cleaners from GTO's back in the day. I did it too.