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Forum: C4 ZR-1 Technical Postings 05-02-2011
Replies: 25
Views: 17,410
Posted By sjs
Smile Re: Knowledgeable Tech -Starting/Performance problem needing assistance

Thanks to all who have replied, lots of great info ... thanks especially to Paul as he read all the information in my posts and went even deeper.
I apologize for not getting back sooner, but some...
Forum: C4 ZR-1 Technical Postings 04-29-2011
Replies: 25
Views: 17,410
Posted By sjs
Smile Re: Knowledgeable Tech -Starting/Performance problem needing assistance

Well, I did learn the why the psi was a little low ... fuel filter wasn't that old but it was restricted some ... also pulled the pumps to see if they were both okay and found a cracked hose ... not...
Forum: C4 ZR-1 Technical Postings 04-29-2011
Replies: 25
Views: 17,410
Posted By sjs
Thumbs up Re: Knowledgeable Tech -Starting/Performance problem needing assistance

Thanks, am working on the fuel psi right now ... will let everyone know
Forum: C4 ZR-1 Technical Postings 04-29-2011
Replies: 25
Views: 17,410
Posted By sjs
Re: Knowledgeable Tech -Starting/Performance problem needing assistance

Thanks ZR1Don for the info, no the reading is 11in of guage vacuum not scanned ... although this was at a rough idle seconds before it died. I am starting to wonder again about cam timing slippage,...
Forum: C4 ZR-1 Technical Postings 04-29-2011
Replies: 25
Views: 17,410
Posted By sjs
Re: Knowledgeable Tech -Starting/Performance problem needing assistance

Thanks, you don't happen to know about cranking vacuum and ms do you ?:cheers:
Forum: C4 ZR-1 Technical Postings 04-29-2011
Replies: 25
Views: 6,973
Posted By sjs
Re: i am doing a secondary delete tomarrow for....

Excellent post everyone, I sure learned alot! Thanks to Kevin for turning me on to this post. I never would have believed driveability would have improved until everyone here said it did. ...
Forum: C4 ZR-1 Technical Postings 04-28-2011
Replies: 22
Views: 5,873
Posted By sjs
Re: Performance Problem

This may be a dumb question , but what is gained by elimanting the secondaries other than a slight bit more airflow??? Other than the valet function I thought the major reason for running a split...
Forum: C4 ZR-1 Technical Postings 04-28-2011
Replies: 25
Views: 17,410
Posted By sjs
Re: Knowledgeable Tech -Starting/Performance problem needing assistance

THANKS TO EVERYONE FOR THE ADVICE .... !!!!

Just an update and to answer some questions, I did check the MAP sensor and hose, but thanks everyone who mentioned it as it is very important. ...
Forum: C4 ZR-1 Technical Postings 04-28-2011
Replies: 25
Views: 17,410
Posted By sjs
Re: Knowledgeable Tech -Starting/Performance problem needing assistance

We are up in the northeast corner by Manhattan KS, GO KSU!
Forum: C4 ZR-1 Technical Postings 04-27-2011
Replies: 25
Views: 17,410
Posted By sjs
Exclamation Knowledgeable Tech -Starting/Performance problem needing assistance

Hello everyone, I am new so please bear with me. I am new to the forum and this is the first zr-1 I have owned (90 model w/100k). Bought it last year, runs pretty good but secondary actuator does...
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