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So I did a little more checking on my flathead. Linkage was not working properly. Now both front and rear cars are closing all the way. I disconnected linkage so just dealing with main carb for now. The miss or popping is from cylinder #4. If I pull cyl 4 plug wire the miss or popping goes...

End carbs do not have idle circuits. I wondered about the float levels ? I do hav an electric fuel pump as back up. Runs on stock pump now. I spent a lot of time on linkage so it wouldn’t bind. I guess I will have to check float levels and maybe disconnect end carbs altogether and try tuning...

Compression test 1/135 2/137 3/140 4/135 5/130 6/128 7/138 8/130. Center 4 plugs are a little rich and outer 4 plugs are clean. Truck is not on the road yet so just short drive down the street and back

Hey all. I need some help. I have a 1953 8ba rebuilt 30 over with 4” crank Max 1 cam Offy aluminum heads and Speedway three duece intake with 3 super 97 carbs and progressive linkage. Timing is 6 degrees initiall and 32 total all in by 2900 rpm. When I hook up the vacuum gauge the needle is...