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#11 |
Guest
Posts: n/a
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#12 |
Join Date: Mar 2009
Location: Orlando, FL
Posts: 1,816
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THis was not a raw casting - there's a few traces of paint - so at one time it was probably completely painted/powdercoated.
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#13 |
![]() ![]() Join Date: Apr 2007
Location: Northern VA
Posts: 2,646
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Left to long in a caustic soda hot cleaning tank?
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#14 |
![]() Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,156
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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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#15 |
![]() Join Date: Aug 2006
Location: Edmonton, Alberta or Phoenix, Arizona
Posts: 2,736
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Somebody started to drill for 'Fogger' nozzles, I'm guessing. Only thing that makes sense.
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#16 |
![]() Join Date: May 2008
Location: Mauriceville, Texas
Posts: 179
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Re: Plenum questions
Somebody started to drill for 'Fogger' nozzles, I'm guessing. Only thing that makes sense. __________________ 1976 Stingray,RED on RED/1990 ZR-1, Bright RED on RED,1706,factory stock/1993 ZR-1,Ruby Red,283, factory stock/1995 ZR-1, Torch RED on RED,116, factory stock ---------------------------------------------------------------------------------------------------------------------------------------------- That hole looks like it was cast...not drilled. |
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#17 | |
Join Date: Mar 2009
Location: Orlando, FL
Posts: 1,816
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#18 |
Join Date: Apr 2009
Location: Prather, CA
Posts: 804
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