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Search: Posts Made By: Young1
Forum: C4 ZR-1 General Postings 1 Week Ago
Replies: 22
Views: 1,587
Posted By Young1
Re: Gathering 2025 and MR11

I just made reservation for Tom and I. We will be attending MR11 as well. These days it seems Quasar only gets out in May. But when May comes, she gets a LOT of attention. Looking forward to late...
Forum: C4 ZR-1 Technical Postings 3 Weeks Ago
Replies: 12
Views: 5,362
Posted By Young1
Re: starter rebuild kit

Different starter design than a SBC. Contact is L shaped. Yes I did rotate them on SBC back when young and broke in 70?s and 80?s. No longer young and no longer broke but yet fix stuff rather than...
Forum: C4 ZR-1 Technical Postings 3 Weeks Ago
Replies: 12
Views: 5,362
Posted By Young1
Re: starter rebuild kit

File the contacts to remove carbon deposits. I even use a die grinder stone on my battery drill to shine them up. The starters seem to require it at 30-40k miles of use.
Forum: C4 ZR-1 Technical Postings 4 Weeks Ago
Replies: 27
Views: 6,259
Posted By Young1
Re: Dreaded no start

I file off the carbon tracks to shiny copper and reinstall. Good for another 35,000 miles.
Forum: C4 NCRS for ZR-1s 09-10-2024
Replies: 5
Views: 3,318
Posted By Young1
Re: Piedmont Valve Stem Caps and others

91vettezr1 has the caps you are looking for in his for sale list
Forum: C4 ZR-1 Technical Postings 07-20-2024
Replies: 5
Views: 5,973
Posted By Young1
Re: About Custom LT5 builds

I think I remember hearing it took Phil W some 5 years to complete his 427.
Forum: C4 ZR-1 Technical Postings 07-19-2024
Replies: 8
Views: 3,891
Posted By Young1
Re: Replacing the FPR and injectors ?

I leaned by purchasing Marc Heibeck video. It is how he does it.
Forum: C4 ZR-1 Technical Postings 07-19-2024
Replies: 8
Views: 3,891
Posted By Young1
Re: Replacing the FPR and injectors ?

Notice windshield is covered with a large towel.
Forum: C4 ZR-1 Technical Postings 07-19-2024
Replies: 11
Views: 10,735
Posted By Young1
Re: Fuel pump bypass Switches

Though to use the emergency harness you must have a Torx screwdriver to remove the fuel door. Don?t forget.
Forum: C4 ZR-1 Technical Postings 07-19-2024
Replies: 4
Views: 5,247
Posted By Young1
Re: High Pitch Whine or Squeal at Start-Up

Is squeal with clutch engaged? Or clutch disengaged?
Forum: C4 ZR-1 Technical Postings 07-19-2024
Replies: 10
Views: 8,340
Posted By Young1
Re: 1991 ZR1 - Rack and pinion assembly

Trevor,
Most likely the rack is fine and the play is within the inner tie rod that threads onto the rack. Rockauto DORMAN IS200PR.

Rear wheel bearings usually make noise but not uncommon for...
Forum: C4 ZR-1 Technical Postings 07-19-2024
Replies: 17
Views: 9,538
Posted By Young1
Re: Question on Engine Temp

Tape some thick paper to end of something and slide it down there slowly. Like clothes pinning a baseball card to make noise on bicycle spokes when I was a kid. Or was I the only one that did that?
Forum: C4 ZR-1 Technical Postings 07-19-2024
Replies: 8
Views: 3,891
Posted By Young1
Re: Replacing the FPR and injectors ?

20597

This pic is what you need.
Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted 06-22-2024
Replies: 6
Views: 4,176
Posted By Young1
Re: WTB: Secondary Port Solenoid

Standard Motor Products VS124

I have experienced that frustration. I went to OReileys with my vacuum tester in hand. I tested them on the counter until one held vacuum. Also RTV the connector.
Forum: C4 ZR-1 Technical Postings 05-29-2024
Replies: 39
Views: 25,461
Posted By Young1
Re: Code 61 with secondary system removed?

Has your prom chip been reprogrammed for secondary delete by Marc Heibeck?
Forum: C4 ZR-1 Technical Postings 05-15-2024
Replies: 11
Views: 16,671
Posted By Young1
Re: 1990 AC question

There are kits out there.
New compressor
New dryer
New expansion valve
New Schroeder valves and O rings throughout.
All lines and condensor and evaporator have to be thoroughly flushed because...
Forum: C4 ZR-1 Technical Postings 05-15-2024
Replies: 10
Views: 12,873
Posted By Young1
Re: Radio will not work

When these 30 year plus components fail I prefer to do this,
Remove head unit in dash
Remove CCM inside dash under glove box, bad PIA
Remove all 4 speaker units
Send them all to the nearest...
Forum: C4 ZR-1 Technical Postings 05-14-2024
Replies: 10
Views: 12,220
Posted By Young1
Re: High idle

Quote from service manual

Incorrect minimum idle speed may be caused by foreign material accumulation in the throttle, bore caulking, on the throttle valve, or on the throttle shaft.

Also a...
Forum: C4 ZR-1 Technical Postings 05-13-2024
Replies: 10
Views: 14,880
Posted By Young1
Re: Transmission or clutch ?groan? sound?

It was a squealing groan with clutch suppressed when cold. Figured it was throw out bearing or flywheel/ main shaft bushing. Most likely the latter. Hasn?t done it for 5 years. Returned from...
Forum: C4 ZR-1 General Postings 05-13-2024
Replies: 2
Views: 2,292
Posted By Young1
Re: MR10 and Gathering pics

1 and 2 at Charlotte Motor Speedway. Note rain.
3 and 4 at cabin of Jay Zeigler who purchase an un-Z with non operational secondaries. Donna is now the REV limiter!
5 is a very small glimpse of...
Forum: C4 ZR-1 General Postings 05-13-2024
Replies: 2
Views: 2,292
Posted By Young1
MR10 and Gathering pics

2043420434

20435

20436

20437

20438
Forum: C4 ZR-1 Technical Postings 05-13-2024
Replies: 10
Views: 14,880
Posted By Young1
Re: Transmission or clutch ?groan? sound?

77 k miles. Original clutch. I had those noises a while back but went away. Don?t fix what is not yet really broke. Moana and groans are every time I try to get out of my Z!
Forum: C4 ZR-1 Technical Postings 05-13-2024
Replies: 7
Views: 10,901
Posted By Young1
Re: Radiator Cap

ACDELCO RC27 Is the 15psi cap you want. Available rockauto.
Forum: C4 ZR-1 Technical Postings 05-13-2024
Replies: 10
Views: 12,220
Posted By Young1
Re: High idle

Buy throttle body cleaner spray. Remove accordion. Spray clean all well. Especially the little plate. Remove aluminum cover over cable. Spray all the mechanism with spray. First idea is grime...
Forum: C4 ZR-1 Technical Postings 04-27-2024
Replies: 5
Views: 9,151
Posted By Young1
Re: Help with no start PLEASE.

See the STICKIES about no start and read up. Get a fuel pressure gauge to see what you have. Both fuel pumps run for a bit to start the engine. Then the secondary pump goes off. If primary pump is...
Showing results 1 to 25 of 500

 
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