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87 SI ,new used engine,rebuilt head,oil fouling plugs

8K views 0 replies 1 participant last post by  MaxxedOut 
#1 ·
Compression test good 171-174 psi all 4 cylinders, leak down test #1,2,3 0% loss #4 3 %loss, well within spec, blue smoke out tailpipe, oil fouling out plugs starting with #3. burns through 2 quarts of oil in about 200 miles. Suspecting the oil feed port through the center rear of the block & head or P.C.V.? Anyone had similar issues or ideas? :? Thanks for any feedback.
 
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