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12-22-2017, 11:35 AM
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#41 |
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VIP Member
Join Date: Oct 2002
Location: On a hilltop in Pa.
Posts: 4,486
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Re: End of year HP
Hmmmmmmmmmmmmmmmmmmm.............................. .........................................
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Billy Nees 1188 STK, SS I'm not spending 100K to win 2K |
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12-22-2017, 04:50 PM
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#42 |
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VIP Member
Join Date: Nov 2001
Location: The Lowcountry.
Posts: 2,961
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Re: End of year HP
Haven't the aftermarket always influenced the Tech Dept?
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12-23-2017, 10:19 PM
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#43 |
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Junior Member
Join Date: Jan 2007
Location: Md
Posts: 23
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Re: End of year HP
Wonder if I could get Mummert heads approved for my 57 Ford 312, oops Fords
don't exist before 1960 per NHRA. Ron. |
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12-23-2017, 11:05 PM
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#44 | |
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VIP Member
Join Date: Apr 2012
Location: Connecticut
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Re: End of year HP
Quote:
Mike A114 |
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12-24-2017, 01:11 PM
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#45 |
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Veteran Member
Join Date: Mar 2005
Location: Sand Springs, OK
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Re: End of year HP
........
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Ed Wright 4156 SS/JA Last edited by Ed Wright; 12-24-2017 at 06:06 PM. |
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12-27-2017, 02:14 PM
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#46 | |
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Member
Join Date: Nov 2008
Posts: 457
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Re: End of year HP
Quote:
No tech No tear down. = what a can of worms and bs someone has opened.
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Bob Aceves, 746 E/SA A&M motorsports |
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12-27-2017, 02:23 PM
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#47 | |
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Banned
Join Date: Dec 2007
Location: Lake Placid, Florida
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Re: End of year HP
Quote:
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12-27-2017, 03:10 PM
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#48 | |
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Veteran Member
Join Date: May 2006
Location: Murfreesboro TN
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Re: End of year HP
Quote:
Are you really sure about that? The GMPP 401 head is actually an Edelbrock head (and in fact, the Edelbrock head itself is now approved), I'd strongly suggest that you look at the difference in specs for it and the rectangle port closed chamber heads it replaces. It (the replacement head) has its own chamber cc, port cc, and exhaust valve size.
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Alan Roehrich 212A G/S |
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12-29-2017, 01:01 AM
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#49 |
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Senior Member
Join Date: Mar 2002
Location: NS CANADA
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Re: End of year HP
The way I read it is, if I run stock heads my hp is “X”. If I run aftermarket head pn1234 than my hp is “X” + 5. The reason I am adding 5(or however much) hp is because that is what these heads are deemed to be worth with their ports/valves/chambers/etc.
I think the difference from stock is acknowledged in the increase of hp. What sbf has been approved for stock? Gt40p heads at +5hp? I’ll go for that thank you very much! Lol. |
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12-29-2017, 02:40 AM
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#50 |
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Member
Join Date: Jun 2007
Posts: 139
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Liked 43 Times in 24 Posts
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Re: End of year HP
New weight on 2015 camaro. Now natural C car.
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