WebSep 18, 2008 · started off with out-of-box #906 Vortecs w/stock valves runing in 13.20's Bowl porting the Heads w/oem valves went in 12.60/s to 12.80's later going to 2.020/1.600 valves + more bowl porting went faster again then switched to Super Victor + solid lifter cam from hyd went once more faster WebAug 9, 2016 · Step 1: Remove the cylinder head. This process will vary from engine to engine, so you should consult your manual for all the details. Generally, you’ll need to remove any parts from the head obstructing removal and you will need to remove the nuts and bolts securing the head.

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WebApr 23, 2012 · Generally the 906 is considered to be a lower flowing exhaust port design, but this is only a consideration for a flat out, total performance motor and to get either of the P/N --060 Vortec heads to that point takes a lot of work to the spring pockets, valve guides, stem seals, roller rockers, beehive springs, screw in studs, steel push rod ... WebJun 1, 2009 · After porting, the 906 heads flow an impressive 313.1 cfm on the intake side and 223.5 cfm on the exhaust side at .600-inch lift. Using the rule of thumb that cylinder … jockey craig atkinson

MoPAR 906 head porting series part 1.Chrysler

WebApr 13, 2015 · Originally, the stock #906 casting head was available in two versions. One version had an Inconel exhaust seat with single angle valve grind and was available on one ton trucks. The other version was the traditional three angle valve grind. Other than that, the #906 is the same as the #062 head. http://speed.academy/10-myths-of-cylinder-head-porting/ WebApr 13, 2015 · Originally, the stock #906 casting head was available in two versions. One version had an Inconel exhaust seat with single angle valve grind and was available on … jockey craig williams