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I have some heads for our 340 that have been machined and I want to lower compressor back to factory or below. Is their a rule of thumb for how thick a gasket has to be in order to lower compression considerably. I was thinking about putting a .075 compressed gasket on instead of thinner ones...

I need to get a air intake with a EGR valve system does anyone make one for a 340 motor? I am running a carter 4 barrel and all is original except purple cam shaft. Running around 10 to 1 compression and it spark knocks. We suspect bad gas but have tried 100 octane low lead from the local air...

I have a problem with the car jumping into neutral. I have checked the fluid level and it is fine no leaks. I have a extra deep pan on this transmission. Any ideas on what is the problem internally? The transmission is attached to a 340 motor. I think the transmission is a 727 though.

I have had problems with spark knocking with the bad gas we are getting in missouri. I put bigger primaries in and that solved the knock at crusing speed but it still does it when you get into the throttle. Do I need to open the secondaries up more? Carter Avs

On the original cars that year with air conditioning where were the air vents Under the radio or on the outer edges of the dash under the overhang?

I Have a 1968 Dodge Coronet with 14" mag wheels 7" wide. I want like a 235/70 R14 on the front. Back I was thinking I want as wide as I can get. I want BF Goodrich but the web site only list these sizes: P215/60R14 P215/70R14 P225/60R14 P225/70R14 P235/60R14 P245/60R14...