Originally Posted by westus1

when setting up an escort with an 8 injector set up
i had a prob once, wher the car drove fine off boost,
even fine on boost up to around 20 psi
over that it had a little miss, wasn't realy violent, but it was there
suspected poor spark at high boost
changed everything, still the same
after a lot of head scratching and double checking everything
we eventualy found the problem
it was a dodgy wire on 1 injector,
it was on the 2nd fuel rail, which is why it was running fine
untill the 2nd injectors kicked in
but even the plug on this cylinder was same colour asd the rest,
so its poss a prob with the fueling as said
but have a good check over the loom as well,
1+4 are always a little richer than 2+3, just due to the design of the inlet
but it does look a bit more than usual
but the dodgy reg wouldn't have been helping any
try it with the new reg but if its still the same then defo get it checked over to be on the safe side

btw i highly recommend seimens and l8
thats what i'm running in my 2wd saph just now with msd closed loop
very smooth power band and very drivable
and still deliver enough juice to match 8 greys
defo the future in my opinion