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Old 09-02-2014, 12:50 PM   #5
86c20
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Join Date: Mar 2012
Location: edgartown mass
Posts: 852
Re: air injection manifold plugs

it dont seem to be npt seem metric??? its a crate motor form mexico if that helps any and this is 3/4 od like a half inch pipe
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1986 c20 "the hillbilly" 350 sm465 3.42gears 21mpg at 70mph
1985 k30 "the ice cream truck from hell" no rust az truck
197-8??? c30 "ramp truck" 454
1978 monte carlo 350 350th with 2.73 gears. no rust. sc car
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