foshi Posted July 10, 2020 Share Posted July 10, 2020 is it worth trying to achieve more performance from the 1200 unit would like to keep the car original, if so what can be done paul Quote Link to comment Share on other sites More sharing options...
Clive Posted July 10, 2020 Share Posted July 10, 2020 There are several variants of the 1200, from 30something bhp in the early 1200, to later heralds with about 50bhp, then the mk1 spit and on to the mk2spitfire at 70something BHP. And all that is with swapping head/cams/manifolds and carbs from production cars. More available with more extreme cams and weber/dellorto carbs. So the answer is yes, depending on what you are starting with and what you want to achieve. Quote Link to comment Share on other sites More sharing options...
foshi Posted July 11, 2020 Author Share Posted July 11, 2020 ok its a 1965 model so assume around 50bhp , can obtain a set of twin su carbs and manifolds from a mk 2 spitfire just want a bit more acceleration pulling away. will i need head and cam work to notice the difference . Quote Link to comment Share on other sites More sharing options...
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