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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Jun 2021 Posts: 5 'Bolter | | 'Bolter Joined: Jun 2021 Posts: 5 | I have a question about brake shoe size for my 56' 3100 Chevy. Factory spec. for the front shoes is 11" x 2" and 11" x 1-3/4" for the rears. Could there be issues using the larger 11" x 2" shoes on the rear? Half of The feed back I've got from other truck owners and the vendors is mixed. Napa sent me 11x2 shoes for both ends. Should I keep them or get the 11 x 1-3/4 for the rears?
Thanks for the advice.
Anthony | | | | | Joined: Jan 2001 Posts: 5,337 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,337 | First, I don’t think the anchor pin at the top will be long enough for the wider shoes to come against.
Second, making the rear brakes more powerful is dangerous. If they are, they are likely to lock up on a hard braking situation and send you into a tail spin.
See the USA in your vintage Chevrolet! My Blog | | | | | Joined: Apr 2005 Posts: 2,101 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 2,101 | The 1 3/4" shoes are correct for 51-57 trucks. The backing plates were changed in 58 to use the 2" shoes which carried through the 60's. I would stay with the correct shoes for your year.
Fred
1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine
| | | | | Joined: Jun 2000 Posts: 2,773 'Bolter | | 'Bolter Joined: Jun 2000 Posts: 2,773 | To use the 2" shoes you will need the later backing plate and drums. NAPA should not have sent you the 2" under any circumstance. If you have a local store, they should have a source to get you shoes relined.
Fred
52 3600
69 C-10
| | | | | Joined: Jun 2021 Posts: 5 'Bolter | | 'Bolter Joined: Jun 2021 Posts: 5 | Thanks for all the advice on the brake shoes. I will return them and get the correct size. | | | | | Joined: Jun 2021 Posts: 5 'Bolter | | 'Bolter Joined: Jun 2021 Posts: 5 | | | |
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