[B]set 452's came off this 400 I bought couple months ago finding parts that will work is a bit of a headache to me .. The intakes are 2.08 salvageable the exhaust valves 1.74 are burnt n pitted .. so would like to up grade to stainless steel valves except they all use single groove locks n has...
Thanks Guys heat range tho on those is about 5 or 6 .. ok for warm dry weather .. But truth is they no longer make the correct plugs ur using 318 2 bb plugs and 440 RV plugs
big difference .. on heat range . Thanks PS not all of us Have $$$ for crappy MSD system
which had almost last as long as...
factory specs for 72 340
ignition timing 2 1/2 btdc
spark plug [email protected] 340 had electronic igition in 72 so no dwell or gap specs
idle speed manual trans 900 cali only all others 750. auto 750 in neutral
If you go to the parts store and ask about plugs for classic mopar or street rod 340 - 440 - 383 etc your probably not going to get the right plug from the parts guy and usually to cold ., If you ask about Heat range forget it ..
Numbers ? some higher numbers mean colder in some brands and some...