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I'm getting ready to add onboard air and have been looking at the Onboardair.com site. I already have the York compressor but no brackets or clutch/pully. In the diagram for the mount kit it shows a double belt for the alt. and compressor which means that you need 3 belt grooves on the fan and crank pullies. My 304 has only 2 grooves on the fan and crank. It also looks like I will need a 2 groove pully for the p.s pump. My question is am I understanding this right and if so does anyone have the 3groove crank and fan pullies along with the 2 groove p.s. pump pully that they would like to part with? Any other suggestions would be welcomed.
 

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My pwr steering pump has 2 grooves but I only use one . That belt remains in the original place on mine . I think the other one was used for the air pump or option of it . What year is your 304 ?? My engine compartment is quite "busy" but this pic shows the route my pwr steering pump belt takes . You can run the air pump with one belt . Seen it done lots , your not running it all the time . I can help with the brackets for the York , I have an extra complete set including the alternator one you`ll need .Waggie(pulley) brackets may work , some of these other guys here may know for sure .



Jeff
 
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