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I have had both a74 inch and a 80 inch shovel,i always thought the 80 ran hotter than the 74 so i was wondering would an 84 inch (i believe this would be referred to a stroker) run hotter than the 80?
Its compression that is the fixture in this the 74 is 8 1/2 to 1 and the 80 inch should be 8 to 1 but its a stroker and a big bore < what
74 inch piston is 3 7/16 and a 3 31/32 stroke
80 inch is 3 1/2 bore and a 4 1/4 inch stroke < this
the 84 inch is 4 1/2 stroke same rods some length cylinder jug - and they make pistons for both engines - it throws the cubes back and forth just a bit
what they do is re locate the wrist pin hole and shorten the bottom piston length - most pistons made today are 8 to 1 for this combo
Thanks johnjzjz,this is all about a potential bike i was maybe going to buy,i have just found out it's been sold,so i don't know how it was done ie. with a big bore or a stoked motor,i don't want to phone him and bother him about it of course,but are you saying compression ratio determines how hot they run?
more fuel - more combustion - same jugs - same heads - same everything else - hotter - at least - that's what Dr. Quint - my creepy HS physics teacher told me when I asked him back when I was building a stroker in the HS shop class - he drove a 65 Mustang fastback - and kids stole parts off his car on a weekly basis cause he was a douche bag and a dick to us. It was gold colored - had the cheezy hub caps that came on the early cars - he would park it by the classroom window to watch it cause everyone would throw **** on it.
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