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Old 03-01-2012   #251
mike100
 
Join Date: Feb 2011
Location: San Marcos CA
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Default Re: Update on my hi-miler Z project

If that is the worst of your issues, you'll be alright. I never really thought about the stainless steel factor...I let mine sit for about 3 weeks with no ill effect...But I got the lucas ones.
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Old 03-01-2012   #252
WB9MCW
 
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Default Re: Update on my hi-miler Z project

I wonder if you had them sitting in some gas in a tray for the 3 weeks if that would have made a difference??
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Old 03-01-2012   #253
VetteMed
 
Join Date: Mar 2009
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Default Re: Update on my hi-miler Z project

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Originally Posted by WB9MCW View Post
I wonder if you had them sitting in some gas in a tray for the 3 weeks if that would have made a difference??
Yaknow, I thought about doing that, but decided not to, mostly since I didn't want to bother with removing the injectors from the fuel rail.
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Old 03-02-2012   #254
VetteMed
 
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Default Re: Update on my hi-miler Z project

Update: Fired it up today, and the ticking and bogging is gone. I guess sitting with the fuel system connected, loosened up whichever injector(s) were sticking. Haven't driven the car yet, but so far everything looks and sounds good!
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Old 03-02-2012   #255
mike100
 
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Default Re: Update on my hi-miler Z project

Does the engine sound any different than the old one? Sometimes you can hear or feel the response is fresher on new engines.
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Old 03-02-2012   #256
ScottZ95ZR1
 
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Location: Pendleton, IN
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Default Re: Update on my hi-miler Z project

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Originally Posted by VetteMed View Post
Update: Fired it up today, and the ticking and bogging is gone. I guess sitting with the fuel system connected, loosened up whichever injector(s) were sticking. Haven't driven the car yet, but so far everything looks and sounds good!
CONGRATS Andrew !!
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Old 03-02-2012   #257
tomtom72
 
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Default Re: Update on my hi-miler Z project

Andrew, way to be my man! Oh, and WOW is right from Cliff. That motor looks sweeeeet! You must look like this--->


You be Da Man!


Tom
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Old 03-02-2012   #258
WB9MCW
 
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Default Re: Update on my hi-miler Z project

Glad to see the bog is gone -- looking forward to your road testing and reports.
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" We the people are the rightful masters of both Congress and the courts, not to overthrow the Constitution but to overthrow the men who pervert the Constitution." - Abraham Lincoln
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Old 03-02-2012   #259
VetteVet
 
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Default Re: Update on my hi-miler Z project

Looks like a great job, Andrew.

Congrats on the fine work!!!


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Old 03-02-2012   #260
VetteMed
 
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Default Re: Update on my hi-miler Z project

Quote:
Originally Posted by mike100 View Post
Does the engine sound any different than the old one? Sometimes you can hear or feel the response is fresher on new engines.
The new engine is a bit quieter (even without the knock/rattle that had developed at the end), the most noticeable noise now is the injectors (ticking ever so slightly, what I'd consider to be normal.

I took the car out for a test drive this evening -- it ran great! I'm going very easy on the motor, for the first 500 miles or so, so no real comments on power, but it's very smooth.

The most noticeable improvement is actually in the clutch. I installed a NOS dual mass flywheel, and had my original master and slave cylinders rebuilt by Jim Jandik at Power Torque Systems. I bought a nearly-new take-off LT5 pressure plate and clutch disc from someone on the other forum. The clutch actuation is so much smoother and more confidence-inspiring; I guess I hadn't realized how "soft" the old clutch felt, probably as a result of a leaking slave and a marginal disc/pressure plate.

I dug through some old service records and found that the clutch and pressure plate had in fact been replaced once during the car's life, in 1999. The flywheel was replaced under warranty in 1993, apparently GM/ LuK revised the DM flywheel sometime late in 1991, so 1992+ cars received the updated version from the factory.

Anyway, I'm a happy camper! I'm actually looking forward to going to work tomorrow because I get to drive the Z!
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