Vortec L31 cylinder head

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m (Vortec-specific domed pistons)
(Upgrading and Compatibility: add image)
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* Springs if the cam has a valve lift over about 0.420"
 
* Springs if the cam has a valve lift over about 0.420"
 
* Center bolt style valve covers if the heads used previously were perimeter style
 
* Center bolt style valve covers if the heads used previously were perimeter style
 +
[[File:Vortec valve-rocker.jpg|thumb|right|300px|Self aligning stamped steel rockers]]
 
** Note: [http://www.crankshaftcoalition.com/wiki/Vortec_L31_cylinder_head#Small_port_Vortec_head_p.2Fn_25534351_.28bare.29_and_p.2Fn_25534421_.28assembled.29 GMPP small and large port Vortec heads] and other aftermarket Vortec heads accept either perimeter or center bolt valve covers
 
** Note: [http://www.crankshaftcoalition.com/wiki/Vortec_L31_cylinder_head#Small_port_Vortec_head_p.2Fn_25534351_.28bare.29_and_p.2Fn_25534421_.28assembled.29 GMPP small and large port Vortec heads] and other aftermarket Vortec heads accept either perimeter or center bolt valve covers
 
*Self aligning rocker arms
 
*Self aligning rocker arms
 
* Valve cover gaskets
 
* Valve cover gaskets
* Vortec specific intake manifold. While some aftermarket heads have both 12 and 8 bolt intake bolt patterns, the height of the Vortec ports require a tall, "raised port" type early intake manifold (along with porting/port work to the intake manifold and/or head), to even come close to fitting correctly  
+
* Vortec specific intake manifold. While some aftermarket heads have both 12 and 8 bolt intake bolt patterns, the height of the Vortec ports require a tall, "raised port" type early intake manifold (along with porting/port work to the intake manifold and/or head), to even come close to fitting correctly
 
* Vortec specific intake manifold gasket
 
* Vortec specific intake manifold gasket
 
* Vortec specific intake manifold bolts
 
* Vortec specific intake manifold bolts

Revision as of 05:11, 3 January 2013

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