Another Engine Failure Thread....
Cargo Master
Joined: Jan 2001
Posts: 2,726
Likes: 5
From: Slatington, PA
The piston's in our engines are a bit larger then the ones in those engines and would put a lot more stress on the connecting rods. I'd also guess that the heavier weight would mean slower revving and a lower max RPM.
Senior User
Joined: Sep 2006
Posts: 174
Likes: 0
From: Savannah
That could be true but a few post back they where saying using steel pistons are a alum skirt with a steel top like in some of the CAT motors. You are only talking like less than a 100 grams from forged to cast . in a 400 cubic inch engine. 4.125 bore just add this what is our bore .
Cargo Master
Joined: Jan 2001
Posts: 2,726
Likes: 5
From: Slatington, PA
The bore is 4.11 inch and stroke is 4.18 inch. Don't forget that the compression ratio is also more then two times higher then a gasser. It would be neat if someone came out with a two piece steel and aluminum pistion. Only worry would be the rods holding up to the added stress.
Hotshot
Joined: Jan 2002
Posts: 17,988
Likes: 207
From: La La Land
That could be true but a few post back they where saying using steel pistons are a alum skirt with a steel top like in some of the CAT motors. You are only talking like less than a 100 grams from forged to cast . in a 400 cubic inch engine. 4.125 bore just add this what is our bore .
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