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| | | | Joined: Sep 2009 Posts: 69 New Guy | | New Guy Joined: Sep 2009 Posts: 69 | we are rebuilding the motor and it had to be bored .030 over. how do i calculate the new displacement? its a 1954 235. and we just discovered the head is from a 1956. so any help would be great.
2000 Nissan Frontier, 3.3L (sold)
2006 Chevy Cobalt SS, 2.4L
1952 Chevy 1/2 pickup, 235 c.i. I6
when life speeds up, downshift
| | | | | Joined: May 2005 Posts: 487 'Bolter | | 'Bolter Joined: May 2005 Posts: 487 | CID = (Bore + Overbore)*(Bore + Overbore)*Stroke*cylinders*0.7854
Stock -
CID = (3.562+0)*(3.562+0)*3.94*6*0.7854 = 235.6
0.030 overbore -
CID = (3.562+0.030)*(3.562+0.030)*3.94*6*0.7854 = 239.6
0.060 overbore -
CID = (3.562+0.060)*(3.562+0.060)*3.94*6*0.7854 = 243.6
regards,
Leon | | | | | Joined: Sep 2009 Posts: 69 New Guy | | New Guy Joined: Sep 2009 Posts: 69 |
2000 Nissan Frontier, 3.3L (sold)
2006 Chevy Cobalt SS, 2.4L
1952 Chevy 1/2 pickup, 235 c.i. I6
when life speeds up, downshift
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