| 
                                
                                    
    
        | 
 |  
        |  |  
        | Original Message |  
        | 
	
		| a clearer explanation |  
		| By FE427TP - 12/14/2001 6:28:18 PM; IP 12.225.204.193 |  
		| easiest way to break it down 
390car pistons: 1.761-1.7919 compression height
 
390 truck piston: 1.68 compression height (1.66 for silvolite aftermarket replacement)
 
410/428 piston: 1.687 compression height
 
 
Do we note any similarities between the bold numbers? |  |  
        | This thread, so far... |  
        |  |  
        | Post A Response |  
        |  |  
        |  |  |