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05-09-2015
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#11 |
 
Join Date: May 2010
Location: Japan
Posts: 3,609
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Re: Sneak Peek from LPE
Can't wait to hear more about this.....
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Craig "ZR-1 NO KA 'OI" "ZR-1 ICHIBAN" 1995 #228 Black/Black with Dunn Heads ZR-1 owner since September 2003 ZR-1 Net Registry Founding Member #0074 NCM Lifetime Member #2048 
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05-10-2015
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#12 | |
 
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,178
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Re: Sneak Peek from LPE
Quote:
is the bottom end the same? that looks pretty cool..
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Shelby Series 1 - Wilwood Brakes Custom Interior NCM Lifetime Member #978 |
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05-10-2015
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#13 |
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Join Date: Apr 2009
Location: Prather, CA
Posts: 808
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Re: Sneak Peek from LPE
That plenum looks exactly like the plenum on the prototype Gen II LT5.
Look at the pics in this thread. Looks identical. http://www.zr1.net/forum/showthread.php?t=13842
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[IMG]http://i13.photobucket.com/albums/a292/bdw18_123/_zr1netforumsigphoto.jpg[/IMG][B] 1990 Corvette ZR-1 [/B][I] White/Flame Red, #2299, mostly stock, 144K miles.[/I] -Cams timed to the '93-'95 405HP LT5 stock timing. -IAT sensor relocated to below front bumper. -Haibeck hoops installed in airduct. -OBX cat-back exhaust. [COLOR=DarkRed][B](SOLD - December 2012 [/B][/COLOR][COLOR=DarkRed][B]:hello:)[/B][/COLOR] 1993 Corvette Coupe Black/Black, 6-speed (SOLD - October 2009 :hello:) |
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05-10-2015
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#14 |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,178
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Re: Sneak Peek from LPE
That is because it is the gen 2 prototype
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Shelby Series 1 - Wilwood Brakes Custom Interior NCM Lifetime Member #978 |
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05-10-2015
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#15 |
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,195
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Re: Sneak Peek from LPE
Its the same engine
Looks like the injector is a straighter shot to the valve too  Big question....were these heads one off weld ups for the change...or is there a casting out there somewhere?
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LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359 |
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05-11-2015
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#16 | |
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Join Date: Feb 2013
Location: New Concord Kentucky
Posts: 184
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Re: Sneak Peek from LPE
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Prototype tooling existed, no weld up, as to any more  Graham. |
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05-11-2015
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#17 | |
 
Join Date: Jan 2008
Location: Wichita, Ks.
Posts: 319
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Re: Sneak Peek from LPE
Quote:
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2009 LS9 1990 LT-5/sold/Bought my Baby back 1994 Lingenfelter LT-5/sold 1973 LS4/sold |
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05-11-2015
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#18 | |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,710
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Re: Sneak Peek from LPE
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[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX |
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05-11-2015
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#19 | |
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Join Date: Feb 2013
Location: New Concord Kentucky
Posts: 184
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Re: Sneak Peek from LPE
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Graham. |
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05-11-2015
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#20 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,710
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Re: Sneak Peek from LPE
Graham,
Its interesting to note the approach GM and Ford took with similar motors at nearly the same time. I'm referring to the LT-5 v Yamaha SHO. The SHO had a "split" plenum approach and the "bundle of snakes" runners for low and high rpm operation. Was that something Lotus/Chevy had looked into? Hope you don't mind the queries.
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[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX |
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Linear Mode
