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#1
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Disc brake / drum brake wheels
Hi, my 69 GTO is a factory disc brake car. The tires that came with it won’t hold air. Will the stock steel wheels off my 68 LeMans (drum brake car) fit over the disc brakes? I can mount the tires on the 69 wheels but it would be easier if I could just bolt the 68 wheels with tires already mounted on it.
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#2
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The drum brake wheels will hit the calipers.
Test fit one and you’ll see. Of course by this time it’s quite possible that the original drum brake wheels that came on the Le Mans could have been swapped out for later 14x6” disc brake wheels, so you might get lucky.
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1964 Tempest Coupe LS3/4L70E/3.42 1964 Le Mans Convertible 421 HO/TH350/2.56 2002 WS6 Convertible LS1/4L60E/3.23 |
The Following User Says Thank You to b-man For This Useful Post: | ||
#3
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stamps by the valve stem ??
HF disc HG drum |
#4
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HG's came in two different configurations. One for drum brakes and one for discs. Here is a picture of the difference. Both are HG coded wheels. The one on the Right fits drum brake cars, the one on the left fits drum and disc brake cars.
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68 GTO Ram Air I Auto, Starlight Black/Teal-Survivor 68 Firebird Ram Air II 4spd, Aegena Blue/Black/Black 68 Firebird 400 Conv. Auto, Red/Parchment/Parchment 69 Firebird Ram Air IV, 4spd Matador Red/Black-Survivor 70 GTO Ram Air III 4spd Conv. burgundy(currently Black)/White/Black 71 GTO 455HO 4spd, Lucerne Blue/Black/Black 71 GTO 455HO Auto, Lucerne Blue/Sandalwood/Blue |
The Following User Says Thank You to 1oldgoat For This Useful Post: | ||
#5
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Am i mistaken in my memory that with the 69 and up single piston design you can run drum wheels?
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My Break Away Squad 1969 Fbird (Base, 350 & Sprint Cvt’s - 400HO & TA Hardtops) 1969 LeMans (2dr & 4dr Hardtop and a Cvt) 1969 LeMans Safari 2 seat Wagon 1969 GTO (2 Cvt, 2 Hardtops & Judge Hardtop) 1969 Catalina (3 Cvt’s & a 2dr hardtop) 1969 Ventura 2 Seat Wagon 1969 Executive 4dr Sedan 1969 Bonnie Cvt 1969 Bonnie 3 Seat Wagon (2 of them) 1969 Bonnie Brougham (4dr Hardtop & Cvt) 1969 Grand Prix SJ (2 of them) 1969 2+2 2dr Hardtop (Canadian model) |
#6
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You can’t.
Disc brake wheels required. I have ‘69 GP front discs on my ‘64 Le Mans and drum brake wheels are a no go on the front.
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1964 Tempest Coupe LS3/4L70E/3.42 1964 Le Mans Convertible 421 HO/TH350/2.56 2002 WS6 Convertible LS1/4L60E/3.23 |
#7
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Good to know, never ran into this myself so just a mistaken memory.
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My Break Away Squad 1969 Fbird (Base, 350 & Sprint Cvt’s - 400HO & TA Hardtops) 1969 LeMans (2dr & 4dr Hardtop and a Cvt) 1969 LeMans Safari 2 seat Wagon 1969 GTO (2 Cvt, 2 Hardtops & Judge Hardtop) 1969 Catalina (3 Cvt’s & a 2dr hardtop) 1969 Ventura 2 Seat Wagon 1969 Executive 4dr Sedan 1969 Bonnie Cvt 1969 Bonnie 3 Seat Wagon (2 of them) 1969 Bonnie Brougham (4dr Hardtop & Cvt) 1969 Grand Prix SJ (2 of them) 1969 2+2 2dr Hardtop (Canadian model) |
#8
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IIRC 1970 was the first year for a single wheel for both Disc and Drum applications.
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Ed 1968 GTO (Thanks Mom) 2006 Silverado 2007 Cadillac SRX 2015 Chevy Express 2024 Cadillac LYRIQ |
#9
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Well the wheels from the 68 LeMans bolted right up. I was surprised because the person I bought the 68 from got it in 1969 but I guess the wheels could have been swapped out. Or these are the original wheels to my 70 LeMans and I’m just getting confused in my old age.
The GTO doesn’t look right with black wall tires. I think I am going to order the correct thin white walls. |
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