Displacement???
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Senior User
Joined: Aug 2003
Posts: 324
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From: Palmyra
Displacement???
OK GUYS, I GOT A 360/390 (OR SOMEWHERE IN BETWEEN). THE PISTONS ARE 60 OVER, ORIGINAL HEADS, I THINK THE ORIGINAL CAM AND CRANK. I MEASURED THE STROKE AND IT CAME OUT BETWEEN 360 & 390 STROKES( DONT REMEMBER EXACT AMOUNT). IS THERE ANY WAY TO FIND MY ACTUAL CID?? IT HAS TONES OF TORQUE NOT MUCH FOR TOP END THOUGH.
ANY HELP WILL BE REWARDED WITH THE BEST OF THANKS.
ANY HELP WILL BE REWARDED WITH THE BEST OF THANKS.
Thread Starter
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Senior User
Joined: Aug 2003
Posts: 324
Likes: 0
From: Palmyra
Displacement???
Unfortunatly I dont know any of the numbers, it is my daily driver. Had to do heads due to a sucked valve, almost 1/8 in into head. cleaned piston tops while heads were off. I dont have the stroke specs anymore so if someone can give them up that would be great. Thanks again.
New User
Joined: Jul 2003
Posts: 13
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Displacement???
Need more info. The stroke on a 360 is 3.50, on a 390 3.78. Which do you have? This is vital in figuring CID. I have the formula for determining CID somewhere I'll see if I can find it and send it to you. It is something like-borexborexstrokexstrokexsome number. I'll check it out.
Later,
Bob
Later,
Bob
Laughing Gas
Joined: Oct 1999
Posts: 1,188
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From: yes
Displacement???
if it's somewhere in between it's not a 390, simple eh? if you measured from the deck the longer than 3.5 would be because the piston doesn't come to the top of the deck at the top of the stroke
