dar Posted December 23, 2011 Share Posted December 23, 2011 just read a book and it seems that the herald 1360 and the mk3 spitfire have the same compression ratio 7.5:1 or 8.5:1 on herald and spit,but the spit also has 9.0:1 so must be the only big diffrence is the camshaft , and the ge engine has the small crankshaft Link to comment Share on other sites More sharing options...
stillnotfinnished Posted December 23, 2011 Share Posted December 23, 2011 Don't forget about the twin carbs! Link to comment Share on other sites More sharing options...
dar Posted December 23, 2011 Author Share Posted December 23, 2011 yes there is that as well ,but looks like the main engine is the same Link to comment Share on other sites More sharing options...
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