14 bolt sf or ff?

[mac52]

Can some one send me a link to pictures of a 14 b semi-float and a 14 b full float? I dont know what I have in the rear end of my truck? 77 chevy k20. 8 lug.

 

[foamypirate]

FF vs SF is really easy, as the FF has large hubs with 8 bolts at the end like this:

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The SF won't have any bolts on the hub, just a small recessed divot at the end of the axle.

 

[1973c10]

FF has the axle hub sticking out of the drum or wheel
FF is a 10.5 inch Ring Gear and doesn't require C clips
SF DOES NOT have the hub sticking out of the drum or wheel
SF is a 9.5 inch Ring Gear and uses C clips in the carrier to retain the axles

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[mac52]

thanks guys!!!