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<blockquote data-quote="2v_takeover" data-source="post: 972276" data-attributes="member: 15442">hey all. Just wondering on what would be better for a NA 4.6 build. I would like to go with MHS stuff, so my question is:1) Is it better to go with a set of stage2 PI heads + stage 2 cam from mhs OR:2)Go with a stage 2 NPI heads, with a stage 3 NPI cam??Wondering if the bump in compression from the PI heads will be worth more power than the extra durations of the NPI cam?For info:<table style='width: 100%'><tr><td>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 46PI STAGE 2&nbsp; &nbsp; &nbsp;&nbsp; - NATURALLY ASPIRATED 
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; </td><td>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 225/223</td><td>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 550/500</td><td>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 110/110</td><td>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 110</td></tr><tr><td>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; Max effort cam for stock&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; PI heads, 5 speed or 3000 stall torque converter recommended. 
 
 
 
compared to: 

<table style='width: 100%'><tr><td>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; NPI STAGE 3&nbsp; &nbsp; -&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; NATURALLY ASPIRATED 
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; </td><td>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 233/235</td><td>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 550/525</td><td>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 106/112</td><td>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 109</td></tr><tr><td>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; Aftermarket intake,&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ported heads, headers, and higher flow fuel injectors are&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; required.&nbsp; rough idle. 
 
 

I&#039;m not to learned compared to a lot of people on here so anything will be helpful. Thanks! 
</td><td></td><td></td><td></td><td></td></tr></table> 
 

<table style='width: 100%'><tr><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td></tr></table> 
</td><td></td><td></td><td></td><td></td></tr></table></blockquote>

[QUOTE="2v_takeover, post: 972276, member: 15442"] hey all. Just wondering on what would be better for a NA 4.6 build. I would like to go with MHS stuff, so my question is: [B]1) [/B]Is it better to go with a set of stage2 PI heads + stage 2 cam from mhs [B]OR:[/B] [B]2)[/B]Go with a stage 2 NPI heads, with a stage 3 NPI cam?? Wondering if the bump in compression from the PI heads will be worth more power than the extra durations of the NPI cam? [U] For info:[/U] [TABLE="width: 950"] [TR] [TD] [FONT=Arial] 46PI STAGE 2 - NATURALLY ASPIRATED[/FONT] [/TD] [TD="align: center"] [B][FONT=Arial]225/223[/FONT][/B][/TD] [TD="align: center"] [B][FONT=Arial]550/500[/FONT][/B][/TD] [TD="align: center"] [B][FONT=Arial]110/110[/FONT][/B][/TD] [TD="align: center"] [B][FONT=Arial]110[/FONT][/B][/TD] [/TR] [TR] [TD="colspan: 5"] [CENTER][B][FONT=Arial]Max effort cam for stock PI heads, 5 speed or 3000 stall torque converter recommended. compared to: [/FONT][/B][/CENTER] [TABLE="width: 950"] [TR] [TD] [FONT=Arial]NPI STAGE 3 - NATURALLY ASPIRATED[/FONT] [/TD] [TD="align: center"] [B] [FONT=Arial]233/235[/FONT][/B][/TD] [TD="align: center"] [B] [FONT=Arial]550/525[/FONT][/B][/TD] [TD="align: center"] [B] [FONT=Arial]106/112[/FONT][/B][/TD] [TD="align: center"] [B] [FONT=Arial]109[/FONT][/B][/TD] [/TR] [TR] [TD="colspan: 5"] [CENTER][B][FONT=Arial]Aftermarket intake, ported heads, headers, and higher flow fuel injectors are required. rough idle. [/FONT][/B][FONT=Arial] [/FONT][/CENTER] [FONT=Arial]I'm not to learned compared to a lot of people on here so anything will be helpful[/FONT][B][FONT=Arial]. Thanks! [/FONT][/B][/TD] [/TR] [/TABLE] [CENTER][B][FONT=Arial] [/FONT][/B][/CENTER] [TABLE="width: 950"] [TR] [TD][/TD] [TD="align: center"][/TD] [TD="align: center"][/TD] [TD="align: center"][/TD] [TD="align: center"][/TD] [/TR] [TR] [TD="colspan: 5"][/TD] [/TR] [/TABLE] [/TD] [/TR] [/TABLE] [/QUOTE]

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