bdiamond Posted February 25, 2005 Report Share Posted February 25, 2005 I installed reman heads in this 1988 Cadillac Sedan Deville 4.5L six months ago. Except for a broken valve spring episode one month afterward, the car ran beautiful. Slowly it started to consume oil. Then little by little a LOT of oil. About a quart every 200-300 miles. I think the rebuilder (City Motor Supply, Dallas) installed the wrong seals. Anyone know the best valve seals to use? I will do a compression test tonight. Take a look at the plugs after only 5K miles. What do you think? TIA Link to comment Share on other sites More sharing options...
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