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Showing results for tags 'pinto missfire'.
hi guys I have a problem with my 2ltr pinto efi. It runs, starts and drives as it should when cold, but as soon as it gets a little temperature in it it looses power and pops fire down the exhaust. Ive swoped all the usual culprits ie plugs, leads , distributar cap, rotar arm, fuel filter, checked timing changed fuel (as it stood for many years) have i missed something silly. As i drive it out the garage its on full power, turn it around and almost have to push it back in. could it posibly a coil breaking doown. has anyone experienced the same problem, any advise welcome.
The 1600 pinto in the zero has been replaced with a 2L with zx6r bike carbs. The engine has been honed out with new rings and we have very good compression across all cylenders. The issue is that number 1 is not firing and number 3 is intermittant. and we cant workout why. When we spray carb cleaner into number 1 if fires?? what we have done so far. changed the leads changed the plugs check we have good spark by earthing leads and turning over drilled out jets on carbs swapped internals of number 1 carb to number 4 to see if problem moves (it doesnt) (though jet may be blocked) increased fuel pressure changed dizzy cap changed amp changed coil checked air flow across carbs are same. we are fresh out of idea's now, can anyone provide any advise? regards keith