Drums to disc offsets
Thread Starter
Joined: Oct 2002
Posts: 904
Likes: 42
From: Hamilton Ontario Canada
Car: 1985 Camaro IROC-Z
Engine: 350
Transmission: GForce T-5
Axle/Gears: 10 bolt 3.73 posi
Drums to disc offsets
Does anyone know if going from drums to disc brakes pushes your wheels out further?
Going from drums to 10.5" disc?
OR
Going from drums to PBR rear discs?
Going from drums to 10.5" disc?
OR
Going from drums to PBR rear discs?
Joined: Aug 2006
Posts: 12,804
Likes: 103
From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: Drums to disc offsets
Not by any major .amount if at all. The only difference is the thickness of the drum and rotor and they are all about the same
Joined: Aug 1999
Posts: 19,282
Likes: 103
From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Drums to disc offsets
As 86 mentions, there's no substantial difference. A spacer was used on 16" wheels when GM switched from aluminum to iron drums, which created a .187 size difference. The spacer, however, seems to be hit or miss and essentially unnecessary. Even some disc brake cars received them.
JamesC
JamesC
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