ZR-1 Net Registry Forums  

Go Back   ZR-1 Net Registry Forums > C4 ZR-1 > C4 ZR-1 Technical Postings

Reply
 
Thread Tools Display Modes
Old 08-27-2019   #1
LGAFF
 
LGAFF's Avatar
 
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,191
Default 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...
Attached Images
File Type: jpg plnm1.jpg (167.2 KB, 196 views)
File Type: jpg plmn2.jpg (149.9 KB, 160 views)
File Type: jpg plnm3.jpg (157.1 KB, 156 views)
File Type: jpg plnm4.jpg (143.5 KB, 180 views)
File Type: jpg plmn6.jpg (149.4 KB, 161 views)
__________________
LGAFF
90 #966-150K miles-sold
92 #234-sold
1987 Callaway TT #17
1991 ZR-1 #1359
LGAFF is offline   Reply With Quote
Old 08-27-2019   #2
LGAFF
 
LGAFF's Avatar
 
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,191
Default Re: Mystery Plenum

more..
Attached Images
File Type: jpg plnm5.jpg (111.7 KB, 94 views)
File Type: jpg plmn7.jpg (212.5 KB, 101 views)
__________________
LGAFF
90 #966-150K miles-sold
92 #234-sold
1987 Callaway TT #17
1991 ZR-1 #1359
LGAFF is offline   Reply With Quote
Old 08-27-2019   #3
-=Jeff=-
 
-=Jeff=-'s Avatar
 
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,132
Default 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?
__________________
1990 Corvette ZR-1 #1051
Watson Headers (2" Primary) - 3" Magnaflow Bullet cats - LT4 Catback
Late Model IH - Plenum
Coilovers - 4.10s
Custom Interior
NCM Lifetime Member #978
-=Jeff=- is offline   Reply With Quote
Old 08-27-2019   #4
LGAFF
 
LGAFF's Avatar
 
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,191
Default 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
__________________
LGAFF
90 #966-150K miles-sold
92 #234-sold
1987 Callaway TT #17
1991 ZR-1 #1359
LGAFF is offline   Reply With Quote
Old 08-27-2019   #5
-=Jeff=-
 
-=Jeff=-'s Avatar
 
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,132
Default Re: Mystery Plenum

ah, I thought you had it in your hands
__________________
1990 Corvette ZR-1 #1051
Watson Headers (2" Primary) - 3" Magnaflow Bullet cats - LT4 Catback
Late Model IH - Plenum
Coilovers - 4.10s
Custom Interior
NCM Lifetime Member #978
-=Jeff=- is offline   Reply With Quote
Old 08-27-2019   #6
LGAFF
 
LGAFF's Avatar
 
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,191
Default Re: Mystery Plenum

so oddly I picked this up with a prototype throttle body about 7-8 years ago
Attached Images
File Type: jpg plnm23.jpg (104.4 KB, 71 views)
__________________
LGAFF
90 #966-150K miles-sold
92 #234-sold
1987 Callaway TT #17
1991 ZR-1 #1359
LGAFF is offline   Reply With Quote
Old 08-27-2019   #7
LGAFF
 
LGAFF's Avatar
 
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,191
Default Re: Mystery Plenum

TB the adapter came with ...
Attached Images
File Type: jpg prototypetb.jpg (105.3 KB, 83 views)
__________________
LGAFF
90 #966-150K miles-sold
92 #234-sold
1987 Callaway TT #17
1991 ZR-1 #1359
LGAFF is offline   Reply With Quote
Old 08-28-2019   #8
G8nightman
 
G8nightman's Avatar
 
Join Date: Dec 2007
Location: NYC
Posts: 1,182
Default Re: Mystery Plenum

Quote:
Originally Posted by LGAFF View Post
TB the adapter came with ...
I have a throttle body with the same numbers on it.
__________________
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"
G8nightman is offline   Reply With Quote
Old 08-28-2019   #9
LGAFF
 
LGAFF's Avatar
 
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,191
Default Re: Mystery Plenum

I think they must be early TB (RP) Rochester Products prototypes
__________________
LGAFF
90 #966-150K miles-sold
92 #234-sold
1987 Callaway TT #17
1991 ZR-1 #1359
LGAFF is offline   Reply With Quote
Old 08-28-2019   #10
A26B
 
A26B's Avatar
 
Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,373
Default Re: Mystery Plenum

Quote:
Originally Posted by LGAFF View Post
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
I have both of them! Machined from billet.
__________________
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.
A26B is offline   Reply With Quote
Reply


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 02:28 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright ZR-1 Net Registry 2020