|    Maybe you guys can shed some light for me. I have a 75 MGB with a rebuilt 
head, according to the PO. I had to rebuild the distributor because the points 
plate was frozen. I rebuilt the carb this weekend and I am still having the 
same problems, I can't get it to run smoothly over 3500 rpm. I took it for a 
test drive this weekend and it seemed to be good up to 3500 then it started 
sputtering and acting like the timing is off. I got out and started doing some 
"adjusting" to the timing and started pouring white smoke out of the exhaust. 
Once I got in the car and reved the engine a few times and cleared out the 
smoke it ran real nice for a short period. I don't know what the problem is, I 
do know that on the driveway I can redline the engine with no problems, as soon 
as I get on the road I start having trouble.
Steve 
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