Way to Determine My Static Compression??
03-02-2004, 12:38 PM
#21
TECH Apprentice
Join Date: Jan 2004
Location: Frisco TX (Dallas Area)
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smokemup, you have indeed taken care of ALL the details in your calculations! Great job. 
spinmonster, most stock stroke crank/rod/piston combo's calculate 9.249" tall (3.622/2+6.098+1.340 = deck of +.001), that's what I was basing my quick calc's on. Also, most aftermarket pistons come in 3.905 bore diameter, so I have to assume that the block is honed for that bore. All-in-all, though you're right, there is a difference, but it's usually less that .1:1 (1 point) cr. Sorry, I thought that would be close enough for a good estimate.
spinmonster, most stock stroke crank/rod/piston combo's calculate 9.249" tall (3.622/2+6.098+1.340 = deck of +.001), that's what I was basing my quick calc's on. Also, most aftermarket pistons come in 3.905 bore diameter, so I have to assume that the block is honed for that bore. All-in-all, though you're right, there is a difference, but it's usually less that .1:1 (1 point) cr. Sorry, I thought that would be close enough for a good estimate.
03-04-2004, 01:34 PM
#23
Originally Posted by TeeKay
smokemup, you have indeed taken care of ALL the details in your calculations! Great job.
spinmonster, most stock stroke crank/rod/piston combo's calculate 9.249" tall (3.622/2+6.098+1.340 = deck of +.001), that's what I was basing my quick calc's on. Also, most aftermarket pistons come in 3.905 bore diameter, so I have to assume that the block is honed for that bore. All-in-all, though you're right, there is a difference, but it's usually less that .1:1 (1 point) cr. Sorry, I thought that would be close enough for a good estimate.
spinmonster, most stock stroke crank/rod/piston combo's calculate 9.249" tall (3.622/2+6.098+1.340 = deck of +.001), that's what I was basing my quick calc's on. Also, most aftermarket pistons come in 3.905 bore diameter, so I have to assume that the block is honed for that bore. All-in-all, though you're right, there is a difference, but it's usually less that .1:1 (1 point) cr. Sorry, I thought that would be close enough for a good estimate.
