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DavidG · 06-07-2021, 10:38 PM

Sheldon,

Early and mid-year '32 commercial vehicles and big trucks did not have any air cleaner or silencer as standard equipment, only the passenger car fours (and V8s) were so equipped. The first standard equipment attachment to big truck carburetors was a backfire arrestor (BB-9600) in early September (whose survival rate seems to be extremely low). Three oil bath air cleaners were released for service starting in June. The first, BB-9625, intended primarily for trucks, was followed in October by B-9625, intended for all '32 vehicles. Both of those oil bath air cleaners were mounted on the firewall. Lastly, late in the model year, a cylinder-head-mounted oil bath air cleaner (B-9625-B) was released for service for all fours, following the release for service of a cylinder-head-mounted oil bath air cleaner for V8s in October.

For obvious practical reasons, I would recommend having one of those alternatives on any '32 big truck.

06-07-2021, 10:38 PM	#55
DavidG Senior Member Join Date: May 2010 Location: southeastern Michigan Posts: 10,101	Re: 1932 The Deuce, Dually, Dump Truck Sheldon, Early and mid-year '32 commercial vehicles and big trucks did not have any air cleaner or silencer as standard equipment, only the passenger car fours (and V8s) were so equipped. The first standard equipment attachment to big truck carburetors was a backfire arrestor (BB-9600) in early September (whose survival rate seems to be extremely low). Three oil bath air cleaners were released for service starting in June. The first, BB-9625, intended primarily for trucks, was followed in October by B-9625, intended for all '32 vehicles. Both of those oil bath air cleaners were mounted on the firewall. Lastly, late in the model year, a cylinder-head-mounted oil bath air cleaner (B-9625-B) was released for service for all fours, following the release for service of a cylinder-head-mounted oil bath air cleaner for V8s in October. For obvious practical reasons, I would recommend having one of those alternatives on any '32 big truck.