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#1 |
Join Date: Aug 2005
Location: Cali-rodo
Posts: 270
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Any experts know what I can expect for a deduction total on the A/C that doesn't drop the recommended 20 degrees? I trusted my A/C guy a little too much and I don't have the time to address it prior to judging next weekend.
Little background on the car. Under 10K miles. all parts are factory installed. the only condition issue is a slightly rubbed aluminum crimp near the coolant crossover pipe. Blower motor, control center , all vents, heat work just fine. Last edited by bowtiguy; 08-10-2019 at 10:03 AM. |
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#2 |
![]() Join Date: Feb 2011
Location: Clayton, North Carolina
Posts: 1,133
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Take it in for the AC now. It’s only going to get hotter!
Sent from my iPhone using ZR-1 Net Registry
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Lou[COLOR="Red"][B][SIZE="4"][/SIZE][/B][/COLOR] |
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#3 | |
Join Date: Aug 2005
Location: Cali-rodo
Posts: 270
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Last edited by bowtiguy; 01-16-2020 at 12:26 AM. |
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#4 |
![]() Join Date: Feb 2011
Location: Clayton, North Carolina
Posts: 1,133
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Have them change it out to R134a. There are no hoses, switches or compressor to change out.
My was fixed a few weeks ago. It was a clutch switch that had gone bad. The R134a cools just fine. Sent from my iPhone using ZR-1 Net Registry
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Lou[COLOR="Red"][B][SIZE="4"][/SIZE][/B][/COLOR] |
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#5 |
![]() Join Date: Sep 2008
Location: Mullica Hill, New Jersey
Posts: 2,574
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Flight Judging or Performance Verification?
PV = Fail Flight Judging = 25 points ( if they catch it ) Marty |
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#6 | ||
Join Date: Aug 2005
Location: Cali-rodo
Posts: 270
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R12 compressor runs when jumped at the switch. A forum member recommended rebuilding it while my plenum was off over the winter, but we just suspected bad schrader valves. The R12 compressor rebuild kits are cheap and would allow me to keep all the date coded factory parts VS. putting 94-95 parts in and making it functional. that is "IF" the factory line crimps are still holding....my oil cooler lines sure didnt. Even though you cant read the part number/ date code of a 91 compressor ( its on the bottom) How much of a points deduction comes with putting 94-95 134a parts into a 91 car? WHY am I going down this rabbit hole! I should have put my Port and polished top end form my other motor on the car over the winter along with my factory A-molds, period correct modified Borla exhaust & short shifter and been driving it all summer!!! ![]() |
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#7 |
![]() Join Date: Feb 2011
Location: Clayton, North Carolina
Posts: 1,133
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The 94-95 AC parts are metric and 90-93 are US customary measures.
Sent from my iPhone using ZR-1 Net Registry
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Lou[COLOR="Red"][B][SIZE="4"][/SIZE][/B][/COLOR] |
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#8 |
![]() Join Date: Oct 2017
Location: Tampa, FL / Rockledge, FL
Posts: 194
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Flight judging is 25 points for operations but they only feel for cold. Since the system is tested with fan speeds, Defrost, heat, etc. you should not see a total fail anyway. Again for PV, don't bother it is a total failure. Good luck with your flight judging and you should do fine. Let us know how it ends up.
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Joel Tampa/Rockledge, FL Present Collection 1969 350/300 AC Convertible 1972 454 Coupe 2nd Owner 1988 KOH EX5006 - ZR-1 Prototype 1990 ZR-1 #277 NCRS Dave McLellan Award 2019 1994 Copper Convertible NCRS Dave Hill Award 2012 2001 Z06 122k miles ![]() |
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#9 | ||
Join Date: Aug 2005
Location: Cali-rodo
Posts: 270
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http://www.zr1.net/forum/showthread.php?t=30748 At this point it would be an "all in" proposition with everything being never 134 components if I couldnt get the system to hold a vac after rebuilding the R12 compressor and installing new gaskets/o-rings everywhere. I tend to through more $$$ at repairs and fix everything at once. Quote:
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#10 | |
![]() Join Date: Aug 2012
Location: Ellicott City, MD
Posts: 1,677
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Thanks
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Charlie __________ Dredgeguy WAZOO Member 1992 Bright Red/Black ZR1 #246 Dana 4:10 gears Polished LT5 by Haibeck Polished Fikse FM5's with Michelin Pilot Sport 2 Stainless Works headers and cats with Corsa |
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