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08-27-2019
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#1 |
 
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,194
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Mystery Plenum
Bought this on Ebay oddly I have the front piece from when I bought a air horn and throttle body several years ago. Not sure of history or if it will work...
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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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08-27-2019
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#2 |
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Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,194
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Re: Mystery Plenum
more..
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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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08-27-2019
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#3 |
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,169
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Re: Mystery Plenum
if I am looking at it right, it eliminates the IH?
Where is the cover for the outer 'box' areas I see in the pictures?
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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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08-27-2019
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#4 |
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Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,194
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Re: Mystery Plenum
Wont know much until its here, those are the PCV provisons, might have to make something.... and always a chance its a bust.... will see
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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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08-28-2019
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#5 |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,169
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Re: Mystery Plenum
ah, I thought you had it in your hands
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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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08-28-2019
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#6 |
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Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,194
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Re: Mystery Plenum
so oddly I picked this up with a prototype throttle body about 7-8 years ago
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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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08-28-2019
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#7 |
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Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,194
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Re: Mystery Plenum
TB the adapter came with ...
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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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08-28-2019
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#8 | |
 
Join Date: Dec 2007
Location: NYC
Posts: 1,189
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Re: Mystery Plenum
Quote:
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90 Chevy ZR1 LPE #2315 'SOLD' 90 Chevy ZR1 LPE #2774 'SOLD' 91 Chevy ZR1 Callaway aerobody 91 Chevy ZR1 #1512 91 Chevy ZR1 #951 95 Chevy ZR1 #338 'SOLD' 91 BMW 850i 94 BMW 850csi 95 BMW 850csi 94 Lotus Esprit S4 07 Benz CLS550 06 BMW M5 "SOLD" |
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08-28-2019
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#9 |
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Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,194
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Re: Mystery Plenum
I think they must be early TB (RP) Rochester Products prototypes
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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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08-28-2019
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#10 | |
 
Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,394
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Re: Mystery Plenum
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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