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08-29-2019
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#11 |
 
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,180
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Re: Mystery Plenum
Possible this is an early prototype floor of runner is 5.5" long.... primary is 36.5mm and secondary is 37.5mm
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LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359 Last edited by LGAFF; 08-29-2019 at 10:59 PM. |
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08-30-2019
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#12 |
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Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,180
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Re: Mystery Plenum
Prototype vs production
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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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09-06-2019
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#13 |
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Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,180
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Re: Mystery Plenum
mock up on old block/heads
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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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09-06-2019
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#14 |
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Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,180
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Re: Mystery Plenum
x
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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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09-07-2019
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#15 |
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Join Date: Aug 2014
Location: Kansas City, MO
Posts: 835
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Re: Mystery Plenum
This looks like this manifold is begging for a roots style blower. Make an adapter plate and throw a 871 blower on it. Haha
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09-07-2019
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#16 |
 
Join Date: Feb 2012
Location: Ledyard,CT
Posts: 8,312
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Re: Mystery Plenum
That looks like the plan
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09-09-2019
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#17 |
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Join Date: Aug 2014
Location: Kansas City, MO
Posts: 835
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Re: Mystery Plenum
It would be cool to see a modified plenum that leverages a newer eaton style blower. Take a LSA blower and put the two together. Then use modern engine management to control it all.
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06-18-2021
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#18 |
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Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,180
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Re: Mystery Plenum
Threw this on the parts car, AC comprssor touched would need a spacer to run AC Image1624056811.280238.jpgImage1624056820.496417.jpgImage1624056827.979229.jpgImage1624056835.871680.jpg
Sent from my iPhone using ZR-1 Net Registry
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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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06-18-2021
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#19 |
 Join Date: Aug 2005
Location: Fishers, IN
Posts: 812
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Re: Mystery Plenum
Cool, Lee. I can only see the thumbnails. Will you email me the full size pics? I am so curious WTH they were doing here.
Todd |
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06-19-2021
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#20 |
Join Date: Apr 2007
Location: Lake Bluff, IL
Posts: 2,141
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Re: Mystery Plenum
Interesting Lee. Any numbers on the pieces that might lend a clue? And has Graham had a look? He would likely know about anything like this as he knows, well, everything LT5. --Bob
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2016 Long Beach Red Z06 #10281 "POPS Z" 1995 Polo Green #409 "WARP TEN"--Haibeck 350/510 package, 4.10s, Hurst, Stock Exhaust with QTP Cutouts --Sold but still running strong 1993 Quasar Blue #161 "HIL KING" --Sold but still running strong, now with more than 120,000 miles 1967 Marlboro Maroon/Saddle Corvette Coupe 300 hp/4-spd --Sold a long time ago ZR-1 Net Registry Founding Member #95 NCM Lifetime Member Favorite Quote--Attributed to Mickey Thompson: "Too Much Horsepower is Almost Enough" |
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Linear Mode
