Cannot start Merlin MkIII in Hurricane MkI and Spitfire MkI

[BSS_Tintin]

I have upgraded CoD to version 1.07 (beta)
I don't seem to be able to start the engine in the Hurricane or the early spit anymore. No problems getting to Spit IIa and Blenheim going, or any German job for that matter, but the planes powered by the Mk III (?) Merlin however...
Then engine will just start, splutter and stop again and I have double checked everything, fuel, mags, throttle pos 1 - 15 - 20 % open, etc. No joy...
Some kind chap on-line told me to just keep at it, The engine would eventually start when it warmed up a bit (??) I've been hitting that start button for a half hour at least, still no joy...
I would appreciate if anyone can point me in the right direction, even if it means I have to hit the start button for 35 and a half minutes.... not just 33 minutes...


regards, Tintin