try getting some one to depress the meterng flap a little bit then turn over,

and try diconecting the cold start vlave (blue plug on the back off the inlet manifold,

try taking off the dizzy cap and wiping the inside,
then check the plug on the dizzy,

take the bottom turbo pipe off (turbo to intercooler, ) and see if theres water in there, mine used to fill up from water cumming in through bonnt,


failing that, get the plugs out and clean them, and check the gap, try 0.7 and than gap up depending on the boost your running,

better yet, change the plugs, you need - 091cs, from ford, the 12 quid for 4 and they stock them



let me know how you get on m8