Forum: C4 ZR-1 Technical Postings
01-06-2022
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Replies: 39
Views: 3,722
Re: HEADLIGHT UPGRADE
Jeff, I would put the year and make in etc. in Summits site and see what comes up. I found the receipt. Here is what I ordered for my 94 HLA-003427811 and I also ordered a few H4 Bulbs,...
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Forum: C4 ZR-1 Technical Postings
01-06-2022
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Replies: 39
Views: 3,722
Re: HEADLIGHT UPGRADE
I got mine from Summit Racing. You can order additional H4 bulbs at the same time. Not terribly hard to install. The high beam was great and the low beam was definitely sharper even though that is...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
11-01-2021
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Replies: 0
Views: 526
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Forum: C4 ZR-1 General Postings
04-25-2021
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Replies: 53
Views: 8,049
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Forum: C4 ZR-1 General Postings
04-19-2021
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Replies: 22
Views: 2,370
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Forum: C4 ZR-1 Technical Postings
04-15-2021
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Replies: 41
Views: 3,138
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Forum: C4 ZR-1 Technical Postings
04-14-2021
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Replies: 41
Views: 3,138
Re: Backup light / 1-4 issue
Interesting, I have a 94 and my backup light does not work and I do not have any skip shift functions either, so no matter how I drive I am able to go thru all the gears. Rarely do I have it out at...
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Forum: C4 ZR-1 Technical Postings
03-27-2021
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Replies: 8
Views: 933
Re: Checked my injectors today and...
I replaced all 16 injectors on a previous 91 I had and did it with the FIC injectors and couldnt have been happier. Straight drop in, A few years ago I tripped across a 94 that needed saving. ...
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Forum: C4 ZR-1 General Postings
01-30-2021
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Replies: 53
Views: 8,049
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Forum: C4 ZR-1 General Postings
01-30-2021
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Replies: 53
Views: 8,049
Re: Tire Replacement Suggestions
I just had Toyo Extensa HP II's put on. They came in both front and rear exact sizes. There are fewer and fewer tires that are made in matching sizes. Tire Rack at the time did not have really any...
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Forum: C4 ZR-1 Technical Postings
01-16-2021
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Replies: 39
Views: 3,722
Re: HEADLIGHT UPGRADE
I just did the Hella H4 bulb upgrade for my 94 and ordered multiple H4 bulbs, 55/60/, 55/80 and one more I think it was 80/100, cant remember. I installed the 55/80 bulbs and can say that even on...
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Forum: C4 ZR-1 Technical Postings
01-03-2021
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Replies: 25
Views: 3,131
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Forum: C4 ZR-1 Technical Postings
01-03-2021
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Replies: 25
Views: 3,131
Re: LT-5 motor issue
Sounds like a coolant leak in the plenum. It would not cause the oil to get milky as if it were a warped or blown head gasket. I know my 1st time taking the plenum off a previous ZR1 I owned to...
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Forum: C4 ZR-1 General Postings
12-28-2020
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Replies: 31
Views: 3,190
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Forum: C4 ZR-1 General Postings
12-28-2020
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Replies: 31
Views: 3,190
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Forum: C4 ZR-1 Technical Postings
12-28-2020
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Replies: 21
Views: 1,897
Re: 1993 ZR-1 Headlights issue
I appreciate the offer. I can do it, just need to find the time. I have other cars that have more serious pressing issues.
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Forum: C4 ZR-1 General Postings
12-27-2020
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Replies: 29
Views: 2,346
Re: Cold air THRILLS
I would disagree with the statement that Turbo cars are slower when it is cold. Just the opposite is true. I bought new a 1986 Buick Grand National. Look it up if you don't know it, but with...
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Forum: C4 ZR-1 Technical Postings
12-27-2020
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Replies: 21
Views: 1,897
Re: 1993 ZR-1 Headlights issue
I don't know that I heard t6he motor continue to run before but I really cant say as I rarely have it out at night and am in the car when I operate them. Feel pretty silly saying that, but am not...
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Forum: C4 ZR-1 Technical Postings
12-27-2020
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Replies: 21
Views: 1,897
Re: 1993 ZR-1 Headlights issue
So I just replaced my Original plastic headlights that still work and will keep them of course. I know that they are substantially lighter than the Hella Glass H4 conversion set up I bought. Not...
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Forum: C4 ZR-1 Technical Postings
12-16-2020
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Replies: 816
Views: 81,058
Re: TB removal and then some!!!
I had a hard time removing some bolts on another car and everything led me to Kroil penetrating oil. I believe it is a machinists oil and is supposed to be excellent for breaking loose frozen bolts....
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Forum: C4 ZR-1 Technical Postings
12-07-2020
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Replies: 10
Views: 892
Re: Code 32 on a 94 ZR1
Ok, what someone said!!!! I will try and see what the deal is and figure it out. I have a lot of work in the car.....at least in my opinion......just doing new injectors and coils and plugs and I...
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Forum: C4 ZR-1 Technical Postings
12-06-2020
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Replies: 10
Views: 892
Re: Code 32 on a 94 ZR1
I appreciate the help. I have the 91 FSM with supplement up to....93 and have read it a bit. No code 32 in the 91 manual. I need to look at it and quite frankly look for the EGR valve. I thought...
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Forum: C4 ZR-1 Technical Postings
12-02-2020
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Replies: 18
Views: 1,573
Re: It's Always Something, dammit.
I have a local company here in Baltimore that I have had several starters and alternators rebuilt. Typically a one day turn around. They have been very good and not very expensive. Let me know if...
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Forum: C4 ZR-1 Technical Postings
12-01-2020
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Replies: 10
Views: 892
Re: Code 32 on a 94 ZR1
So I drove the car today after erasing the Code 32, EGR. It was again running fine and then it seemed like shortly after getting on it to air it out a bit I look down and see the SES light on in the...
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Forum: C4 ZR-1 Technical Postings
12-01-2020
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Replies: 10
Views: 892
Re: Code 32 on a 94 ZR1
I did recognize it was an odd duck so to speak with it being OBDI and the connection being OBDII. The car was running fine, but supposedly the secondary injectors wont xome on I'd there is a code...
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