
May 20th, 2021, 07:38 PM
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Junior Member
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Join Date: Jan 2021
Location: Snohomish, Wa.
Truck: 1966 GMC 1500
Posts: 8
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1966 GMC Brake Booster adaptor
1966 GMC has 3 countersunk fasteners that hold the tapered plate to the fire wall. Looks like on chevrolet's they have 2 existing bolt holes and you have to drill 2 more. My question is do they make an adaptor bracket with the 3 countersunk holes to use for the booster upgrade. 1st picture is my fire wall 2nd picture is the original tapered bracket that attaches with the 3 countersunk holes. The brake mechanism attaches to the 4 threaded holes in the tapered bracket.
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