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Forum: C4 ZR-1 Technical Postings 06-12-2009
Replies: 4
Views: 1,373
Posted By stedi
Air cleaner housing

My air cleaner housing is cracked. Where can I get another one and how much should it cost? Is there a system that replaces the original (cold air intake)? I also need the accordian pipe between the...
Forum: C4 ZR-1 Technical Postings 05-17-2009
Replies: 2
Views: 1,290
Posted By stedi
Headlight motor battery draining

It seems that my battery gets drained somehow. I think I pinpointed it to the headlight motors. When I remove all my fuses from fuse panel and disconnect battery, there is a stronger than average...
Forum: C4 ZR-1 Technical Postings 05-11-2009
Replies: 14
Views: 2,716
Posted By stedi
Re: Starter question

Thanks for all the help.

My car has ±60 000 miles. Battery is brand new energizer. I'll perform a few tests to try to pinpoint problem and will post updates. I have to do my injectors soon so...
Forum: C4 ZR-1 Technical Postings 05-09-2009
Replies: 14
Views: 2,716
Posted By stedi
Re: Starter question

Does that mean that if starter doesn't get 12V or more it will not even turn? My problem is that sometimes it turns, sometimes it doesn't. Doesn't matter if hot or cold, problem is sporadic. What is...
Forum: C4 ZR-1 Technical Postings 05-08-2009
Replies: 14
Views: 2,716
Posted By stedi
Starter question

Original starter is discontinued by GM up here in Canada. My question is can a rebuilt/jobber do the job. I've heard some people say that since the started is placed mid-engine and is exposed to high...
Forum: C4 ZR-1 Technical Postings 05-08-2009
Replies: 15
Views: 3,010
Posted By stedi
Re: Which injectors to choose

What is the pressure for primary and secondary injectors? BTW I have a stock 91. I know that the RCs are not speced like the originals. Is there an impact on performance if we install injectors with...
Forum: C4 ZR-1 Technical Postings 05-04-2009
Replies: 15
Views: 3,010
Posted By stedi
Which injectors to choose

Any suggestions for injector replacement if I do not want to spend a fortune but still want to keep original performance or better.

Thanks,
Steve
Forum: C4 ZR-1 General Postings 05-23-2006
Replies: 4
Views: 1,618
Posted By stedi
Re: Looking for Fuel injectors

Sorry but forgot to mention, the car is a 91.
Forum: C4 ZR-1 General Postings 05-22-2006
Replies: 4
Views: 1,618
Posted By stedi
Looking for Fuel injectors

Hello,

I have 2 primaries and 1 secondary that have gone bad.

I want to only replace these with stock so my question is what and where is the cheapest I can find?

Thanks in advance.
Forum: C4 ZR-1 General Postings 10-21-2005
Replies: 21
Views: 3,891
Posted By stedi
Re: Tires: Sumitomo HTR Z

Sorry but with everything I wrote above, I still managed to forget to mention something. The geometry of the tire may also be a cause of the lateral instability. In other words, the rounded outer...
Forum: C4 ZR-1 General Postings 10-21-2005
Replies: 21
Views: 3,891
Posted By stedi
Re: Tires: Sumitomo HTR Z

Hello Patton,

I have a 91 stock Z and I put on these tires about 5 months ago. Definitely the best bang for the buck but I do have a few issues. Before putting these on, I had Goodyear GSC. I...
Forum: C4 ZR-1 Technical Postings 09-16-2005
Replies: 3
Views: 1,909
Posted By stedi
What is stock flowrate anyway?

Thanks for the reply Z Factor.

What is the stock flowrate anyway? RC is 205 cc. I'm sure they can make some injectors with same flow.

Thanks,
stedi
Forum: C4 ZR-1 Technical Postings 09-12-2005
Replies: 3
Views: 1,909
Posted By stedi
injectors

Hello everyone,
1991 w/ 66 000 mi. Verified my injectors over the weekend.
I had 2 primaries with 8 ohms and one secondary with 5 ohms. I do the 1/4 mile in 13.36 secs and performance does not...
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