rockybanshee Posted February 25, 2008 Report Share Posted February 25, 2008 :biggrin: C AN ANYBODY TELL ME (I'M NEW IN THIS) WHAT DISPLACEMENT CAN i DO WITH A STOCK CRANK, LONG ROD AND 68MM BORE CYLS (PISTONS FROM BLASTER??) ......... SOMEBODY TOLD ME THAT IS A 420?? Quote Link to comment Share on other sites More sharing options...
Bansh-eman Posted February 25, 2008 Report Share Posted February 25, 2008 that would be a 392. but you cant fit 68mm pistons in a stock cylider. the largets they go is .100 over which would be a 382. Quote Link to comment Share on other sites More sharing options...
MSBansheeDrags Posted February 25, 2008 Report Share Posted February 25, 2008 :biggrin: C AN ANYBODY TELL ME (I'M NEW IN THIS) WHAT DISPLACEMENT CAN i DO WITH A STOCK CRANK, LONG ROD AND 68MM BORE CYLS (PISTONS FROM BLASTER??) ......... SOMEBODY TOLD ME THAT IS A 420?? here is a site for you to use: http://www.havocperformance.com/ENGINECALCULATOR.htm dbr Quote Link to comment Share on other sites More sharing options...
shanYE west Posted February 25, 2008 Report Share Posted February 25, 2008 I had a 421 stock cylinder motor. But I had to put big bore sleeves in them. 68mm bore with 4mil stroke. Quote Link to comment Share on other sites More sharing options...
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