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Old June 13th, 2017, 04:07 PM
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TJ's GMC TJ's GMC is offline
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Join Date: Mar 2015
Location: Cave Junction, Oregon
Truck: 1964 GMC 1500 LWB Wideside 305E V6.
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Default Re: 4bbl Intake Pics Please

I milled mine.....pictures are not super detailed, but best I have.

Mill the top surface of the manifold Flat. Then either purchase a spacer with 4 bolt holes or make one. I bought a 1 inch thick block of aluminum and made mine.

Then drilled 4 mounting holes and used bolts and nuts. Permatexed the nuts on the bolts. I used two thick gaskets and a thin bead of silicon to aid in sealing. No issues yet.
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"Excuse the rust I use my truck"
1964 GMC 1500 305E/sm420 4 barrel intake mod and dual exhaust.
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1964 Chevy C20 292/SM420
1966 Chevy C10 292 hotrod 6/TKO600


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