Forum: C4 ZR-1 Technical Postings
11 Hours Ago
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Replies: 19
Views: 1,534
Re: Engine noise- stuck lifter?
Did you save any of the oil? If so, you could send it out for analysis to one of the companies which do this. I don't know specifically who does it but others here have that information. --Bob
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Forum: C4 ZR-1 General Postings
11 Hours Ago
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Replies: 4
Views: 78
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Forum: C4 ZR-1 General Postings
2 Days Ago
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Replies: 10
Views: 617
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Forum: C4 ZR-1 General Postings
3 Days Ago
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Replies: 10
Views: 617
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Forum: C4 ZR-1 General Postings
4 Days Ago
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Replies: 10
Views: 617
Re: Icon Rocklear Coating
Jeff, you may recall that back in about 2014 I had just a paint correction done on the '95, without any extra coatings. The detailer who did it (LUSTR Auto Detailing in Schaumburg IL), said the C4...
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Forum: C4 ZR-1 Technical Postings
2 Weeks Ago
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Replies: 19
Views: 1,534
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Forum: C4 ZR-1 Technical Postings
2 Weeks Ago
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Replies: 19
Views: 1,534
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Forum: C4 ZR-1 General Postings
3 Weeks Ago
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Replies: 5
Views: 706
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 7
Views: 994
Re: Cam Emblems Adhesive
Yep I bought a couple from Lee for the '95 but Marc installed them and I don't know what he used. Probably RTV as Lee suggests. --Bob
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 7
Views: 994
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 4
Views: 783
Re: Bought Valvoline VR1 20-50
I had a 1954 Aston Martin DB 2/4 that smoked a bit so I ran 50 weight in it and that minimized the smoke. But I would not run 50 wt. in an LT5. Too close to molasses. As efnfast noted, save it for...
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Forum: C4 ZR-1 General Postings
4 Weeks Ago
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Replies: 4
Views: 960
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Forum: C4 ZR-1 Technical Postings
05-09-2024
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Replies: 11
Views: 1,851
Re: 1990 AC question
I had Marc Haibeck convert my'93 to R134 many years ago. He said, per GM's directive, no A/C equipment had to be changed, just change to fittings and fully evacuate the system. You might check with...
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Forum: C4 ZR-1 General Postings
05-06-2024
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Replies: 14
Views: 1,974
Re: Got my Admiral back from Marc's
Yes, a beauty. I saw it there the other day in the shop when down for lunch with Marc and others. It really looked great. I felt the same way when Marc did my 510 package on my old '95 Polo Green...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
05-03-2024
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Replies: 4
Views: 1,681
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Forum: C4 ZR-1 General Postings
05-01-2024
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Replies: 10
Views: 2,865
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Forum: C4 ZR-1 General Postings
04-29-2024
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Replies: 10
Views: 2,865
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Forum: C4 ZR-1 General Postings
04-28-2024
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Replies: 10
Views: 2,865
Mercury DOHC 4 valves per cylinder V12 outboard
Saw a picture of one of these from a friend who attended CES. Hmmm...Mercury Marine DOHC 4 valves per cylinder, naturally aspirated engine--where have I heard that before? This one is an outboard, a...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
04-26-2024
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Replies: 8
Views: 2,457
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Forum: C4 ZR-1 General Postings
04-26-2024
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Replies: 2
Views: 1,078
Re: P/N: Mufflers and Resonator - '92 ZR-1 (WTB)
John, you probably already know this, but the stock exhaust systems were one piece welded units from the cats back through the mufflers. There are undoubtedly parts number for each for repair and...
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Forum: C4 ZR-1 Technical Postings
04-24-2024
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Replies: 12
Views: 2,370
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Forum: C4 ZR-1 Technical Postings
04-22-2024
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Replies: 7
Views: 1,403
Re: Horn won't blow
Of course, if you can't get the horn working but still want one, there is always this alternative.....Bob
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Forum: C4 ZR-1 Technical Postings
04-17-2024
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Replies: 11
Views: 2,022
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Forum: C4 ZR-1 Technical Postings
04-05-2024
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Replies: 17
Views: 1,833
Re: Solution for B&B Exhaust Drone?
A good solution would be to get a Corsa exhaust, and if budget constrained, you might be able to find a used one. Marc Haibeck might have one, as might others on this forum. The resonance frequencies...
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Forum: C4 ZR-1 Technical Postings
04-03-2024
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Replies: 5
Views: 612
Re: Front Crank Seal
Agree with Phil. Most of the time what is thought to be a front seal leak turns out to be loose oil pan bolts. Definitely check those first. Happened to me once. I thought it was the front seal but...
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