Engine Rebuild

  #1  
Old 05-19-2007, 02:02 PM
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Default Engine Rebuild

I have a 1992 Fleetwood 4.9L that needs a complete engine overhaul. Looking for a good machine shop that can rebuild the engine. Any suggestions? Even Cadillac doesn't have replacements according to local Caddy dealer.
 
  #2  
Old 10-28-2007, 11:04 AM
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Default RE: Engine Rebuild

The 4.1,4.5, and 4.9 Engines are very rebuildable. Cylinders or jug are easily removed and replaced, so over boring isn't necessary. Assembly is a little different because cylinder heads need to be installed, before the main bearing clearance can be checked. The block can distort slightly as head bolts tightened / torqued to spec. With the 4.9 there is one thing to keep in mind; 91-93 were built with short skirted piston which tended to be noisey on start up. They did come out with piston with a longer skirt to get rid of the noise, however power and economy sufferred. If you plan do your own rebuild, it is strongly suggested to get factory manual or atleast a reprint of the engine section of the manual for year of you're working on.
 
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