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 10-29-2014   #11
We Gone
 
Join Date: Apr 2004
Location: ATL. GA.
Posts: 2,170
Default Re: Hopefully not catastrophic failure?

I know you can do it Mike, I have a buddy here in Atlanta (ShawnZR-1) that had a head gasket let go and made all the repairs himself than had it happen again found out it was due to corrosion at the top of the liners and had to replace them it was a high mileage car still did everything himself. By the way no other damage was done to the motor ether time. The 2nd time he did a complete overhaul due to the mileage.

Good Luck looking forward to your pics and progress reports.
__________________
Steve



1990 Steel Blue/Black #2355
1990 Red/Red #1473
1991 Quasar /Black #118 Sold
1991 Turquoise/Black #766 Parted Out
1993 Yellow/White #179 Sold
1990 Black/Gray #1361 Headers/4:10s Sold
We Gone is offline   Reply With Quote
Old 10-29-2014   #12
Dynomite
 
Dynomite's Avatar
 
Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,798
Default Re: Hopefully not catastrophic failure?

Quote:
Originally Posted by tccrab View Post
The LT5 is a little intimidating, but don't give up hope. The hardest thing to do is timing the cams after you get the heads back on. The easiest way to do the cam timing is with the motor out of the car. If you are capable of pulling the motor then you should be able to time the cams. It will require some special tools, but there are plenty of guys here who will help you if you run into problems. Just take your time, document everything as you take it apart, take lots of pictures, label everything. Contact Jerry at Jerry's Gaskets for everything you will need to put it back together, seals, glues, gaskets and "Get 'er Dunn".

I would strongly advise against taking it to any kind of local repair shop. The odds of a timely and correct repair are not in your favor.

'Crabs
I concur completely

I have removed the heads with engine in car but then what is left you can almost lift out by hand

So I pulled what was left as you really need the engine out of car to do the timing like you want it just as Crabs suggests

With engine out of car you can take your time with the heads, cams, water pump, and clutch/pressure plate.

And if you like...........add headers which you can install the engine with Headers attached

Last edited by Dynomite; 10-29-2014 at 10:38 PM.
Dynomite is online now   Reply With Quote
Old 10-30-2014   #13
MikeSuke
 
Join Date: Mar 2014
Location: Pennsylvania
Posts: 18
Default Re: Hopefully not catastrophic failure?

Quote:
Originally Posted by WB9MCW View Post
Good luck to you Mike.
We hope you have no damage of major and the fix can be had for low $$.
Thank you! The support here is unbelievable! My confidence is growing!!
MikeSuke is offline   Reply With Quote
Old 10-30-2014   #14
MikeSuke
 
Join Date: Mar 2014
Location: Pennsylvania
Posts: 18
Default Re: Hopefully not catastrophic failure?

Quote:
Originally Posted by We Gone View Post
I know you can do it Mike, I have a buddy here in Atlanta (ShawnZR-1) that had a head gasket let go and made all the repairs himself than had it happen again found out it was due to corrosion at the top of the liners and had to replace them it was a high mileage car still did everything himself. By the way no other damage was done to the motor ether time. The 2nd time he did a complete overhaul due to the mileage.

Good Luck looking forward to your pics and progress reports.
Thanks! Looks like DIY is doable. Certainly will post pics/progress.

Assume you'd consider 124,000 miles to be high? Should the complete overhaul be considered? Are there tests/specs, such as what is above, that would be used to make the decision to overhaul?
MikeSuke is offline   Reply With Quote
Old 10-30-2014   #15
Polo-1
 
Join Date: Sep 2005
Location: Washington
Posts: 955
Default Re: Hopefully not catastrophic failure?

Just peeking.....

Unknown mods? My guess the injector housing are ported and it sucked in the gasket with the water port next to it. easy fix I hope good luck.
Polo-1 is offline   Reply With Quote
Old 10-30-2014   #16
A26B
 
A26B's Avatar
 
Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,394
Default Re: Hopefully not catastrophic failure?

Quote:
Originally Posted by Polo-1 View Post
Just peeking.....

Unknown mods? My guess the injector housing are ported and it sucked in the gasket with the water port next to it. easy fix I hope good luck.
Wouldn't that be great! It's happened before, on more than one occasion.
__________________
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
Old 10-30-2014   #17
Dynomite
 
Dynomite's Avatar
 
Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,798
Default Re: Hopefully not catastrophic failure?

Quote:
Originally Posted by Polo-1 View Post
Just peeking.....

Unknown mods? My guess the injector housing are ported and it sucked in the gasket with the water port next to it. easy fix I hope good luck.
Plug that TB Coolant Water Port on top of Injector Housing when you are at it
Dynomite is online now   Reply With Quote
Old 10-30-2014   #18
XfireZ51
 
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,709
Default Re: Hopefully not catastrophic failure?

Quote:
Originally Posted by Dynomite View Post
Plug that TB Coolant Water Port on top of Injector Housing when you are at it
Yes, I guess I blocked my episode w this. What a pain! However, even if u block IH, you still need to seal head/IH interface. I use Permatex #2 around that area only.
__________________
[SIGPIC][/SIGPIC]Former Membership Chairman
Former ZR-1 Registry - BOD
1972 Corvette 4speed base Coupe SOLD long time ago
1984 Corvette Z-51/4+3 SOLD
1992 Corvette ZR-1 Aqua/Gray #474 SOLD
1992 Corvette ZR-1 Black Rose/Cognac #458
2014 Honda VFR Interceptor DX
XfireZ51 is offline   Reply With Quote
Old 10-30-2014   #19
Dynomite
 
Dynomite's Avatar
 
Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,798
Default Re: Hopefully not catastrophic failure?

Quote:
Originally Posted by XfireZ51 View Post
Yes, I guess I blocked my episode w this. What a pain! However, even if u block IH, you still need to seal head/IH interface. I use Permatex #2 around that area only.
Yep......Permatex on gasket between Head and Injector Housing but nothing on gasket between Plenum and Injector Housing if you have TB Coolant blocked.

Last edited by Dynomite; 10-30-2014 at 04:38 PM.
Dynomite is online now   Reply With Quote
Old 10-30-2014   #20
MikeSuke
 
Join Date: Mar 2014
Location: Pennsylvania
Posts: 18
Default Re: Hopefully not catastrophic failure?

you guys rock!! That WOULD be great!

This is also in line with what my local guy is telling me he'll test for - to determine if its the heads or the intake. I should hear back from him today/tomorrow. He's pretty good, I trust him to diagnose properly. He commented upon first seeing the car a while back "looks like a Lotus motor"! Now I wouldn't know how alike they look but... basically he said if its intake he could take it on, head gasket, probably not....

I'd feel comfortable letting him do the intake and I will surely share the advice given here, especially if it is ported, as I suspect.... probably safe to assume he'd do that properly? His response up front was "let me diagnose and we'll go from there"....

Another question, not knowing the age condition of the injectors, this sounds like a good time to replace them. Would that make sense if we are already in there?

thanks again to all for the wealth of info! I would love to meet up once this is all done and thank folks in person. I'll keep my eyes on the events page for gatherings. Thank you all!!!
MikeSuke is offline   Reply With Quote
Reply

Thread Tools
Display Modes

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 12:46 PM.


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