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#601 |
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Location: Pendleton, IN
Posts: 3,899
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Lee, I have the same issue with my defective rear tires. After Pete's work, I just can't keep them from spinning every single time I drive it!!!!!!
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1988 KOH Prototype EX5023 sold 1990 ZR-1 #444 Convertible 1990 ZR-1 Black #966 1991 ZR-1 Quazar Blue #296 1957 Duntov SS Project |
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#602 |
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,683
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#603 | |
![]() ![]() Join Date: Feb 2010
Location: Pendleton, IN
Posts: 3,899
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1988 KOH Prototype EX5023 sold 1990 ZR-1 #444 Convertible 1990 ZR-1 Black #966 1991 ZR-1 Quazar Blue #296 1957 Duntov SS Project |
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#604 | |
![]() Join Date: May 2010
Location: Japan
Posts: 3,096
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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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#605 |
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,683
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Lee,
Sounds like we need to add fuel at idle and lean out cruise. BLMs will always show 128 at WOT because you are now in Open Loop. WB O2 is only way of telling what AFR is at that point. |
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#606 | |
![]() Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,156
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I thought that you need to remove fuel to get to 128.. I always forget, since I have a program I created that does it automatically I never remember the actual formula without looking at my code... LOL
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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 Last edited by -=Jeff=-; 07-11-2012 at 09:03 AM. |
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#607 | |
![]() Join Date: May 2010
Location: Japan
Posts: 3,096
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What do you recommend for someone wanting to add WB O2 to their car and do you need to install dual bungs and have dual O2 sensors? Thanks, Craig
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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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#608 |
![]() Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,156
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for an accurate reading, before the Cats.. if you can I feel 2 are better then one..
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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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#609 |
![]() Join Date: May 2010
Location: Japan
Posts: 3,096
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Thanks Jeff. I thought so and a friend said only 1 side really needed but it seemed you need two because even now with tuning it was found I have a problem on the right side with leak causing lean conditions. When I put my headers back in and install X pipe etc. I thought a good time to have the shop put bungs in even if I plug them for now, but could use when doing the dyno tune with WB O2s. I found one the Innovate system with dual O2s, but very pricey.
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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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#610 |
![]() Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,180
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out in the country/corn fields this morning on the way to work.....stopped revd it to 3K dropped the clutch and the car did a water box style burnout without using the brake, just sat and smoke the tires....lovin the car...
Every Z needs porting and cams...
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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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