packard lover Posted April 22, 2014 Share Posted April 22, 2014 What are the differences between the 1954 Model 98 and the 1955 Model 98 engines, other than numbering? Are there differences between the 1955 Model 88 and Model 98 engines, other than numbering? Link to comment Share on other sites More sharing options...
PONTIAC1953 Posted May 9, 2014 Share Posted May 9, 2014 the 1955 engine may have alittle more horsepower due to an increase in compression ratio. Link to comment Share on other sites More sharing options...
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