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#11 |
VIP Member
Join Date: Oct 2002
Location: Greater Boston
Posts: 1,495
Likes: 1,114
Liked 900 Times in 191 Posts
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Talk about opening up a can of worms...
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Bob Don 128 SS |
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#12 |
Member
Join Date: Feb 2008
Location: Black Creek, BC Canada
Posts: 331
Likes: 78
Liked 172 Times in 81 Posts
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"Titanium prohibited" . Does anyone read the rule book anymore? I hope these guys are proud of their work.
Jim Mantle 6632 |
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#13 |
VIP Member
Join Date: Feb 2014
Location: Derby City, USA
Posts: 3,633
Likes: 1,083
Liked 7,919 Times in 1,515 Posts
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Guys, just in case you missed the memo..Sam Tech is the sponsor of the Factory Stock Showdown. All the modifications are within the rules. Remember, NHRA is the organization that allows FORDs to use CHEVROLET rods in their stock Elminator engines...
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#14 |
Member
Join Date: Dec 2004
Location: Georgia
Posts: 118
Likes: 1
Liked 0 Times in 0 Posts
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MJ, the Australian School Bus 390's came with the Chevy rods!
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#15 |
VIP Member
Join Date: Jun 2002
Posts: 1,855
Likes: 83
Liked 444 Times in 145 Posts
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The OEM's dictate the rules on these cars.
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Bruce Noland 1788 STK |
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#16 |
Junior Member
Join Date: Dec 2001
Posts: 89
Likes: 0
Liked 8 Times in 4 Posts
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#17 |
VIP Member
Join Date: Dec 2002
Location: Lower Dakota territory
Posts: 1,180
Likes: 1,074
Liked 799 Times in 236 Posts
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"That'll never work....." |
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#18 |
Live Reporter
Join Date: May 2006
Location: Dripping Springs, Tx
Posts: 2,709
Likes: 186
Liked 520 Times in 132 Posts
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I was joking some people pm me need to lighten up!
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Ed Carpenter 2005 Chevy Cobalt A/SM Race Engine Development Last edited by Ed Carpenter; 03-26-2016 at 11:48 PM. |
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#19 |
VIP Member
Join Date: Feb 2003
Location: Glendale, Arizona
Posts: 3,043
Likes: 712
Liked 1,577 Times in 581 Posts
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The cylinder heads are CNC ported as shipped by GM and they are part number 17802818.
They feature: • 12 Degree Valve Angle • 2.205" titanium intake valves • 1.615" sodium-filled exhaust valves • Max-Life Beehive-type valve springs • Valve retainers and locks • Intake and exhaust stem seals • Intake lash cap • 275cc Intake Port • 90cc Exhaust There is also another version of the 427 COPO engine used for Factory Stock that runs the LSX-DR cylinder head engine with larger valves and a 313 cc intake port and 110cc exhaust port. This cylinder heads run a CFE designed intake manifold with a Holey Dominator sized throttle body. http://www.chevyhardcore.com/news/ne...take-approved/ There is another similar article on an LS3, 396 CID LS engine built by Patterson. http://www.enginelabs.com/engine-tec...-stock-racing/ |
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#20 |
Live Reporter
Join Date: Oct 2004
Location: Hickory, Ky
Posts: 10,629
Likes: 1,922
Liked 10,681 Times in 2,222 Posts
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More interesting reading on the ERL block that SAM uses.
http://www.enginelabs.com/engine-tec...-ls-lt-blocks/ |
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