Motor Math Questions
Thread Starter
Launching!
Joined: Nov 2003
Posts: 219
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From: Katy, TX
Motor Math Questions What's the deal on motor building?
If I have a ____ liter bare block with a _____ bore, a _____ stroke crank, a _____ inch long rod, how do I figure up displacement? Also, how do I know what depth of piston I'd need to give the valves room?
Is there a book or a web site I could read?
If I have a ____ liter bare block with a _____ bore, a _____ stroke crank, a _____ inch long rod, how do I figure up displacement? Also, how do I know what depth of piston I'd need to give the valves room?
Is there a book or a web site I could read?
TECH Junkie
Joined: Aug 2002
Posts: 3,726
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From: Fort Collins, CO
Cubic Inch Displacement = bore x bore x stroke x number of cylinders x .7854
The piston depends on how big your cam is (duration, not lift), what your quench is, and how much free-drop your cylinder heads have, among other things.
The piston depends on how big your cam is (duration, not lift), what your quench is, and how much free-drop your cylinder heads have, among other things.
Thread Starter
Launching!
Joined: Nov 2003
Posts: 219
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From: Katy, TX
Originally Posted by silverbullet00
What do you have up your sleave t8
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