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06-01-2019
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#1 |
 
Join Date: Sep 2018
Location: Groton, CT
Posts: 384
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Got lucky this morning...
Started up the car to go to a show and there was a strong smell of gas.
There was a big leak around the fuel pressure regulator. Glad it didn't fail while I was on the highway this morning. I had changed the injectors and all the fuel line O-rings last month and had no issues. Started smelling gas after I changed the original fuel filter a couple of weeks ago, but could not find a leak anywhere. Just did a 200 mile run last weekend with no issues. At least I know my plenum drain isn't clogged...….. Another plenum pull tomorrow.
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1992 ZR1 #442, 2 tops, White, White, Haibeck 415, 3.90 gear, Coilovers 2018 Audi RS5, 2.9 V6 Twin Turbo, Auto, Black, Black 2021 Audi Q3, 2.0T, 8 spd Tiptronic, Navarro Blue metallic, Pearl Beige |
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06-02-2019
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#2 |
  
Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,797
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Re: Got lucky this morning...
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Left Clickable links  -Solutions- LT5 Modifications/Rebuild Tricks Low Mileage ZR-1 Restoration 1990 Corvette (L98) Modifications LT5 Eliminated Systems LT5 Added Systems LT5/ZR-1 Fluids 1995 LT5 SPECIFIC TOP END REBUILD TRICKS Last edited by Dynomite; 06-02-2019 at 09:20 AM. |
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06-02-2019
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#3 |
 
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,169
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Re: Got lucky this morning...
I agree with dynomite.. I replaced mine this year, before it could break..
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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06-05-2019
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#4 | |
Join Date: Nov 2007
Location: Sunshine State
Posts: 1,071
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Re: Got lucky this morning...
Quote:
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[B]1990 #2815[/B] [COLOR="Red"][B]Red/Red[/B][/COLOR] Ported Plenum & IH (by Pete) Haibeck Chip Rebuilt FPR (by Phil) FIC Injectors Watson LT Headers 3" Stainless Works exhaust Lingenfelter Open Air Lid Bill B Built Transmission Shifter & C Beam Plates [FONT=Impact][COLOR=red]1992 [COLOR=black]#[/COLOR] 091[/COLOR][/FONT] [FONT=Impact][COLOR=#ff0000]Red/[COLOR=silver]Gray[/COLOR][/COLOR][/FONT] [B]SOLD[/B] |
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06-02-2019
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#5 |
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Join Date: Sep 2018
Location: Groton, CT
Posts: 384
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Re: Got lucky this morning...
Found the source of the leak this morning. Half rolled o-ring at the fuel regulator on the pipe feeding the drivers side fuel rail.
I'm guessing that when I replaced the original 27 year old fuel filter, I was finally getting full fuel pressure to the fuel rails, which was enough to get by the improperly installed o-ring. I'll be reinspecting all my work to avoid further problems.
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1992 ZR1 #442, 2 tops, White, White, Haibeck 415, 3.90 gear, Coilovers 2018 Audi RS5, 2.9 V6 Twin Turbo, Auto, Black, Black 2021 Audi Q3, 2.0T, 8 spd Tiptronic, Navarro Blue metallic, Pearl Beige |
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06-02-2019
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#6 |
 
Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,394
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Re: Got lucky this morning...
I recommend lubricating the o-rings with engine oil before assembly, to help avoid damage.
Sent from my iPhone using ZR-1 Net Registry
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Jerry Downey JERRYS LT5 GASKETS & PARTS http://www.jerrysgaskets.com 1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc. 2016 Black-Red, 3LT-Z51 Auto 8-speed. |
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06-03-2019
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#7 | |
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Join Date: Sep 2018
Location: Groton, CT
Posts: 384
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Re: Got lucky this morning...
Quote:
Used engine oil, just wasn't careful enough. I'll do better this time....
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1992 ZR1 #442, 2 tops, White, White, Haibeck 415, 3.90 gear, Coilovers 2018 Audi RS5, 2.9 V6 Twin Turbo, Auto, Black, Black 2021 Audi Q3, 2.0T, 8 spd Tiptronic, Navarro Blue metallic, Pearl Beige |
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06-04-2019
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#8 |
Join Date: Mar 2004
Location: Found Member
Posts: 4,346
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Re: Got lucky this morning...
Pardon me. I thought this was about something entirely different.
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Frank Urbo. NCM Lifetime member # 982 Registry Founding # 237 |
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06-05-2019
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#9 | |
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Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,394
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Re: Got lucky this morning...
Quote:
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Jerry Downey JERRYS LT5 GASKETS & PARTS http://www.jerrysgaskets.com 1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc. 2016 Black-Red, 3LT-Z51 Auto 8-speed. |
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06-05-2019
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#10 | |
Join Date: Sep 2008
Location: Mullica Hill, New Jersey
Posts: 2,593
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Re: Got lucky this morning...
Quote:
Very good! Marty |
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