Gibsons
Forum Newbie
Posts: 14
Reg: 06-11-12
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06-11-12 01:02 PM - Post#2235857
Hello all,
I have a '54 235 in a '37 coupe. Single carb with Fenton splits.
It runs smooth and hard on the front 3 cylinders, runs absolutely awful on rear 3. Swapped plugs and wires, no change. New points. Strong spark all cylinders. Valve clearance right. Timing to steel ball fine. Comp test just under 125 all cylinders. Running without mufflers, the front three are hot and even, the back are kafuffling and banging etc.
Pulled plug wires while running. Front three showed they are working hard. Rear three, hardly any difference. Engine will run on front three only, but not on back three.
Cam is Ok, not broken.
Only thing now is pull the cam and see if it is ground wrong.
I've had this engine forever, and when I rebuilt it it never ran right, but I had a tripower on it and chalked it up to the tripower. Now, years later, I put on a single carb thinking it would purr like a kitten...no such luck.
Any ideas?
Steve
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