did a timing cover gasket (between case & block) on a 97, got back together started & ran for 45/60 min. took on a road test, towed back on the hook. would'nt start, checked timing, it slipped, adjusted timing to 15. 5 degrees. starts,idles but smokes whitish/blue like crazy, misses, smoke seems to clear up some as engine temp rises. checked for air leaks, any ideas ?
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