Iron Dragon Posted June 10, 2005 Share Posted June 10, 2005 Hi guys I came across a deal ($300) on a good running 302 from a 1991 Mercury Gran Marquis. Does anybody know if this engine came with the forged pistons just like the Stang's? And are there any other differences between the stang engine and the mercury engine? Power output?? Thanks, David Quote Link to comment Share on other sites More sharing options...
TomsCoupe Posted June 11, 2005 Share Posted June 11, 2005 170hp, 270 ft/lb torque(mustangs have 225hp, 300 ft/lb's), 8.9:1 compression ratio, and as far as i know they have cast pistons. Quote Link to comment Share on other sites More sharing options...
hat1324 Posted June 11, 2005 Share Posted June 11, 2005 i belive all of that year came with the forged pistons.. have not heard any deffinates though.. how many miles? rebuilds are cheap.. Quote Link to comment Share on other sites More sharing options...
TomsCoupe Posted June 11, 2005 Share Posted June 11, 2005 i asked my 5.0 buddy and he says they had Aluminum flat-top pistons swirl port heads(E7TE in mustangs) Lower-lift cam (fuel economy, torque) 50mm throttle body stock(60mm in mustangs) 14# fuel injectors(19# in mustang) standard flow upper intake(better breathing intake on mustangs) Factory exhaust manifolds 150 hp (155hp in 1988 only, w/dual exhaust) Quote Link to comment Share on other sites More sharing options...
Iron Dragon Posted June 11, 2005 Author Share Posted June 11, 2005 thanks alot guys. I suppose I'll pass on this one and hold out for a 89-90 stang engine. Thanks, David Quote Link to comment Share on other sites More sharing options...
hat1324 Posted June 13, 2005 Share Posted June 13, 2005 how much is a deal? I can get a 5.0 complete with harness for $500, Quote Link to comment Share on other sites More sharing options...
TomsCoupe Posted June 13, 2005 Share Posted June 13, 2005 how many miles? a low milage 5.0 w/harness and ECU goes for $600CDN in my area. Quote Link to comment Share on other sites More sharing options...
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