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m3chhawk · 02-20-2013, 04:36 PM

Just out of curiosity, where does the 550 number for a stock block come from? Is it top end failure, bottom end, detonation, etc...?

Was this one guys experience and now we all use 550?

02-20-2013, 04:36 PM	#520 (permalink)
m3chhawk Track Member Join Date: Sep 2012 Location: Kansas City Posts: 878 Drives: '11 370Z SPT 6MT BLK Rep Power: 24	Just out of curiosity, where does the 550 number for a stock block come from? Is it top end failure, bottom end, detonation, etc...? Was this one guys experience and now we all use 550?