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 07-17-2022   #1
Jetjock
 
Jetjock's Avatar
 
Join Date: Mar 2008
Location: Auburn, KY
Posts: 540
Default How do you fix this?

The plate for the antifreeze has leaked and I replaced the gasket but the damage was already done. I want to do NCRS on the car but that looks really bad. The guy in charge of the C4 judging said leave it alone but I don't know. I painted the other ZR-1 but matching this paint may be impossible. Showing the car as well is problematic. Any thoughts? I had to repaint the gills and the rockers because of the damage done to them but this is different.


Roy
Attached Images
File Type: jpg Throttle Body.JPG (106.1 KB, 87 views)
__________________
Roy L. Carman

If I feel the need for speed,
I just think about flying the B-777.



1989 Dk Blue Coupe lost in divorce
1991 Black Coupe SOLD
1992 Black ZR-1 #423 SOLD!
1993 Ruby Red 40th Anniversary ZR-1 #334
1995 Black ZR-1 taken by ex-wife
2002 Pewter Coupe no idea where it is
2003 50th Anniversary Corvette #No idea what number SOLD!
ZR-1 Net Registry #516
Grand Sport Lifetime Member
NCM Lifetime #1468
ZR-1 Net Registry Board Secretary
Jetjock is offline   Reply With Quote
Old 07-18-2022   #2
tccrab
 
tccrab's Avatar
 
Join Date: Oct 2004
Location: Folsom CA
Posts: 1,644
Default Re: How do you fix this?

Refinishing the plenum is the obvious choice, however matching the paint will likely be the most difficult hurdle. I'm sure it can be done, but at what price?
You could always find a replacement plenum without the damage. There are a few around, but again the paint likely wont match very well.
Since plenums aren't stamped with the vin# your NCRS judging wont be affected.

Someday i will have my LT5 refinished in bright silver. Ive seen a couple done by Marc Haibec and they really stand out.

Crabs
__________________
TomC
'90ZR1 #792
Honorary Pirate


[B]If it ain't FUN, you're doing something terribly WRONG.
[/B]
tccrab is offline   Reply With Quote
Old 07-18-2022   #3
WARP TEN
 
WARP TEN's Avatar
 
Join Date: Apr 2007
Location: Lake Bluff, IL
Posts: 2,036
Default Re: How do you fix this?

I suggest that before you refinish the plenum or that cover, you first solve the problem that caused this. The rather simple solution is a coolant bypass so there is never any more coolant in the throttle body area. Marc Haibeck offers this throttle body heat bypass (http://www.zr1specialist.com/HAT%20W...t%20bypass.htm) but you can also do it yourself. Many ZR-1 owners have had this done. --Bob
__________________
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"
WARP TEN is offline   Reply With Quote
Old 07-18-2022   #4
Jetjock
 
Jetjock's Avatar
 
Join Date: Mar 2008
Location: Auburn, KY
Posts: 540
Default Re: How do you fix this?

I talked to Tom Barr and he said to just sand it and paint it. It's a common problem. He suggested the bypass as well. Now I have to find someone that can do this.


Roy
__________________
Roy L. Carman

If I feel the need for speed,
I just think about flying the B-777.



1989 Dk Blue Coupe lost in divorce
1991 Black Coupe SOLD
1992 Black ZR-1 #423 SOLD!
1993 Ruby Red 40th Anniversary ZR-1 #334
1995 Black ZR-1 taken by ex-wife
2002 Pewter Coupe no idea where it is
2003 50th Anniversary Corvette #No idea what number SOLD!
ZR-1 Net Registry #516
Grand Sport Lifetime Member
NCM Lifetime #1468
ZR-1 Net Registry Board Secretary
Jetjock is offline   Reply With Quote
Old 07-19-2022   #5
WARP TEN
 
WARP TEN's Avatar
 
Join Date: Apr 2007
Location: Lake Bluff, IL
Posts: 2,036
Default Re: How do you fix this?

Quote:
Originally Posted by Jetjock View Post
I talked to Tom Barr and he said to just sand it and paint it. It's a common problem. He suggested the bypass as well. Now I have to find someone that can do this.


Roy
If you feel like a plenum pull in the winter, Marc Haibeck can refinish the plenum for you if you send it to him. He can get pretty close to the look of original paint. I had my '95 engine done in Fine Silver and reused the stock black bolts. It was fairly close to the stock color but did of course look a bit brighter. I was thinking about me or some future owner possibly wanting to seek NCRS approval; the Haibeck 510 lettering on the plenum is just removable decals so it would have been close to stock looking if they were removed. You could even have him port it just for fun.... --Bob
Attached Images
File Type: jpg 95Engine (6).jpg (135.9 KB, 38 views)
__________________
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"

Last edited by WARP TEN; 07-20-2022 at 09:26 AM.
WARP TEN is offline   Reply With Quote
Old 07-19-2022   #6
JT ZR-Won
 
Join Date: Aug 2021
Location: Bradenton, FL
Posts: 134
Default Re: How do you fix this?

Quote:
Originally Posted by WARP TEN View Post
If you feel like a plenum pull in the winter, Marc Haibeck can refinish the plenum for you if you send it to him. He can get pretty close to the look of original paint. I had my '95 engine done in Fine Silver with reusing the stock black bolts. It was fairly close to the stock color but did of course look a lot brighter. I was thinking about me or someone possibly wanting to seek NCRS approval; the Haibeck 510 lettering on the plenum is just removable decals so it would have been close to stock looking if they were removed. You could even have him port it just for fun.... --Bob
Great looking motor!

Jay
JT ZR-Won is offline   Reply With Quote
Old 07-19-2022   #7
Z51JEFF
 
Z51JEFF's Avatar
 
Join Date: Dec 2007
Location: Fremont,Ca
Posts: 3,039
Default Re: How do you fix this?

I painted mine years ago because of the same thing,I mixed up some paint,matched it and painted it then did the bypass. A quality paint shop can easily match the paint.
Z51JEFF is offline   Reply With Quote
Old 07-20-2022   #8
5ABI VT
 
Join Date: Jun 2013
Location: Toronto
Posts: 782
Default Re: How do you fix this?

Could always find someone who is about to powdercoat or paint their entire top end and just swap a stock throttle body with them.
5ABI VT is offline   Reply With Quote
Old 07-21-2022   #9
Jetjock
 
Jetjock's Avatar
 
Join Date: Mar 2008
Location: Auburn, KY
Posts: 540
Default Re: How do you fix this?

All nice ideas but plenum pull is not possible as the throttle body torx screws were mangled the last time somebody took the throttle body off. Right now, I ordered the bypass from Marc and I will do that installed. I think that I found a shop that can repair that.


Roy
__________________
Roy L. Carman

If I feel the need for speed,
I just think about flying the B-777.



1989 Dk Blue Coupe lost in divorce
1991 Black Coupe SOLD
1992 Black ZR-1 #423 SOLD!
1993 Ruby Red 40th Anniversary ZR-1 #334
1995 Black ZR-1 taken by ex-wife
2002 Pewter Coupe no idea where it is
2003 50th Anniversary Corvette #No idea what number SOLD!
ZR-1 Net Registry #516
Grand Sport Lifetime Member
NCM Lifetime #1468
ZR-1 Net Registry Board Secretary
Jetjock is offline   Reply With Quote
Old 07-21-2022   #10
fastpace
 
Join Date: Mar 2022
Location: Houston, TX
Posts: 39
Default Re: How do you fix this?

Quote:
Originally Posted by Jetjock View Post
All nice ideas but plenum pull is not possible as the throttle body torx screws were mangled the last time somebody took the throttle body off. Right now, I ordered the bypass from Marc and I will do that installed. I think that I found a shop that can repair that.


Roy
Order new torx screws and deal with the struggle now while you can plan ahead for it. Not being able to remove the plenum isn't going to work for maintaining these cars. Everything is mounted under the plenum, so you're just setting yourself up for a bigger struggle when the time comes to replace something more critical like starter, AC compressor, ignition coils, etc.
fastpace 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 06:27 AM.


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