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#41 |
![]() Join Date: Jun 2006
Location: Sparks, NV
Posts: 2,852
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The trick is finding an LT4 system. Z06 cats are easy.
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90'ZR-1 #1461 Red/Black Ported Intake, Degreed Cams, OBX Headers & Exhaust, Fidanza FW, Secondary Delete, Custom tune, C6 GS Wheels. Sold 08 C6 Z51 Crystal Red Metallic Sold Vararam Intake, Tune, Sold 05 C6 Z51 Red/Black Sold 90'ZR-1 #1723 Black/Gray Sold but not forgotten 91' Z51 L98 White Vert. My First, you always remember your first. Sold. |
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#42 | |
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,696
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Currently tuning Hans’ 90 w similar setup. Working on tuning out most of the rich smell which is typical at idle. We’ve been able to reduce it significantly.
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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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#43 |
![]() Join Date: Nov 2016
Location: Southlake, TX
Posts: 586
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Wow, what a slick system- I bet that is a lot of fun!
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Bill Schroeder Texas Proud! 1991 Corvette ZR1 #1388 2015 Challenger Scat Pack Shaker ![]() |
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#44 |
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,696
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Some of us here in the Windy are using the C6Z06 NPP valves mated to DynoMax Ultraflow muffs. I have a switch in the center console controlling Open/Close on these. I mostly drive w them closed. Even w/o resonator, they do a good job of controlling drone IMO. Especially w better tuning.
W the valves open, everything still goes thru the muffs but now a second opening is operative giving the exhaust a deeper bass note much like a big block.
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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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#45 |
![]() Join Date: Apr 2007
Location: Lake Bluff, IL
Posts: 2,065
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There was definitely a strong odor in the garage on start up but as Gunny notes, not at 70 mph. Marc reminded me that it is what cars smelled like in the 60s and 70s. I think if i still had the '95 I would add some bullet cats or maybe the Z06 ones noted elsewhere to minimize this. --Bob
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2016 Long Beach Red Z06 #10281 "POPS Z" 1995 Polo Green #409 "WARP TEN"--Haibeck 350/510 package, 4.10s, Hurst, Stock Exhaust with QTP Cutouts --Sold but still running strong 1993 Quasar Blue #161 "HIL KING" --Sold but still running strong, now with more than 120,000 miles 1967 Marlboro Maroon/Saddle Corvette Coupe 300 hp/4-spd --Sold a long time ago ZR-1 Net Registry Founding Member #95 NCM Lifetime Member Favorite Quote--Attributed to Mickey Thompson: "Too Much Horsepower is Almost Enough" |
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#46 |
![]() Join Date: Apr 2007
Location: Lake Bluff, IL
Posts: 2,065
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For me it was certainly the perfect system and I did enjoy it. Always fun to be sitting quietly at a light then open up the cutouts. Or starting the car with the cutouts open, say when you are leaving a car show.--Bob
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2016 Long Beach Red Z06 #10281 "POPS Z" 1995 Polo Green #409 "WARP TEN"--Haibeck 350/510 package, 4.10s, Hurst, Stock Exhaust with QTP Cutouts --Sold but still running strong 1993 Quasar Blue #161 "HIL KING" --Sold but still running strong, now with more than 120,000 miles 1967 Marlboro Maroon/Saddle Corvette Coupe 300 hp/4-spd --Sold a long time ago ZR-1 Net Registry Founding Member #95 NCM Lifetime Member Favorite Quote--Attributed to Mickey Thompson: "Too Much Horsepower is Almost Enough" |
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#47 |
![]() Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,153
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Understood, but it is still there. I have almost all the pieces, i just need to make them all fit together
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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#48 |
Join Date: Feb 2016
Location: Carterville Illinois
Posts: 846
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Bill, you just couldn't leave it original huh lol.......Mods on these cars are addictive. Once one starts, it's hard to not keep going! I plan on making it to Bowling Green this year for the Gathering, and plan on asking you guys with Mods ALOT of questions!!! And maybe ask for some ride alongs, to get a feel for the different exhaust / header combos.......Ya, I'm going to be that guy who asks a million questions lol.
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