April 17th, 2014, 02:14 AM
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Senior Member
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Join Date: Jan 2013
Location: Rohnert Park, ca.
Truck: 1968 KM2500
Posts: 1,312
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Re: 1964 GMC 1000 Fleetside
There is no spin on adapter but there is a spin on aluminum housing that was introduced in 1966. It was used on 305 through 351 engines as well as the 1973-74 379 V6.
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