I've got a similar duration roller cam in a magnum headed 318 in my 4000 lb 5th ave. I average 17.5mpg mixed with it.
an '87 318 in a truck will be flat tappet, but should be a roller cam block. I'd look at the smaller voodoo roller, too...contact board member scratchinfortraction for details. he might have a used voodoo roller cam for sale, too.
1976 Spinnaker White Plymouth Duster, /6 A833OD 1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!*** 2011 Toxic Orange Dodge Charger R/T 2017 Grand Cherokee Overland 2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)
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