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Messages - Stingr69

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General Discussion / Re: Holley Carb Leak?
« on: May 13, 2018, 01:01:18 PM »
If I am reading this right, fuel is coming out of the accelerator pump squirter nozzles, not the boosters.

Mild Modifications / Re: Carb for 327 300 horsepower
« on: May 09, 2018, 11:00:48 AM »
You should fix the Qjet setup you have now.  It is the best carb for your application.  Might be cooking the gas out after you shut down. There are fixes for that.

Mild Modifications / Re: Back up light switch Muncie Hurst Shifter
« on: May 09, 2018, 10:57:50 AM »
Hurst sells a back up light switch kit for the aftermarket Hurst shifters.

Restoration / Re: Rust on clutch pressure plate
« on: May 08, 2018, 06:21:59 PM »
Soak the surface of the pressure plate face down in some acid (white vinegar) for a while to get the rust off and run it.  I would not replace it unless it would not release.

Mild Modifications / Re: Timing Chain - Double or Single Roller?
« on: April 28, 2018, 01:12:21 PM »
It does not matter much either way.  Not a common failure once you get rid of the nylon gear teeth that were originally there.  I used the factory HD pieces years ago but they are long gone now.

Mild Modifications / Re: Engine mod - thoughts?
« on: April 27, 2018, 12:35:14 PM »

As far as intake and exhaust runner size, as well as combustion chamber, there is no difference.  I've CC's original 2.02 heads and 1.94's that I have here.  Nothing about them changed in that regard. 

Did you see the extra machining operation in the chamber?  The chamber wall casting is cut wider on the intake side for factory big valve heads.

Decoding/Numbers / Re: Numbers matching or not - 3932388 block
« on: April 25, 2018, 01:37:09 PM »
Check the casting date code while you are evaluating the block. That would be helpful.

Mild Modifications / Re: Engine mod - thoughts?
« on: April 25, 2018, 01:12:13 PM »
Yes, 2.02" x 1.6"

Mild Modifications / Re: Engine mod - thoughts?
« on: April 25, 2018, 01:03:00 PM »
Factory big valve head chambers.  You can see where the cuts were made around the intake valves to unshroud them for better flow.  You can still find them out there but they are pretty rare.  These were unmolested/uncut originals when I got them but the intake valves were pretty worn so they got replaced.  Original exhaust valves looked fine so they were reused.  New guides all around. 

Sorry, not for sale.   :(

Decoding/Numbers / Re: Numbers matching or not - 3932388 block
« on: April 25, 2018, 12:34:42 PM »
Go look at an umolested pad on any random base engine you can find and see what an original pad looks like and see how you feel about it.  That pad surface is not consistent with an unmolested pad.

Mild Modifications / Re: Engine mod - thoughts?
« on: April 24, 2018, 12:23:41 PM »
I would agree with Kelly - Keep the Q-jet and put some small chamber heads with the 350 HP cam with a later model GM aluminum Q-jet intake.  The DZ Z/28 intake is a great piece but rather pricy these days. 

That 350 HP cam was originally designed for use with a factory restrictive exhaust.  It is inexpensive to install with inexpensive matching valve train and it will last longer with todays lousy oil. Reliable and easy to live with.

I would probably skip adding bigger valves but its your choice. While many shops can change 1.94"/1.5" to 2.02"/1.6" valves, the bigger valves will not deliver more power without additional chamber cutting modifications.  Few shops will know how to do that properly. 


General Discussion / Re: Newbie Needs some help with a 69 Z 28
« on: April 21, 2018, 01:31:21 PM »

I've also got an 05A with no console, gauges, or tach. But it does have the deluxe comfortweave interior.

Yep, thats what I have too. Very rare color interior though....Deluxe Medium Green Comfortweave.  Never seen another one in person.  Most of it was already gone before I got the car 40 years ago but I have a few interior pieces tucked away. Rare for a good reason.  :o

Restoration / Re: Worn clutch linkage questions
« on: April 20, 2018, 12:49:40 PM »
Replace worn parts. It is part of the maintenance you need to do on a 50 year old car.  Keep the worn out original pieces in a box so your kids will have something to throw away when you are gone.


General Discussion / Re: Newbie Needs some help with a 69 Z 28
« on: April 19, 2018, 01:45:30 PM »
Thanks William about the tach only supply problem. I was not aware of that. Might be why the tach and center fuel guage are kind of rare. I looked at a no tach, X77 original owner car years ago. It was red and was in Raleigh NC. It is the only verified one I have seen.
October of '68 production X7 '69 here with no tach, no clock, no console, no spoilers. Might not be so rare.

Mild Modifications / Re: Adding a dash clock to a 69
« on: April 12, 2018, 07:43:03 PM »
Classic Industries has the clips part # HC293 18.00.

Nope.  Those are clips for the top of the clock bezel and are easy to get.  The clock mounts on the sides with 2 clip-on studs with nuts.  THOSE are hard to get.

Edit: Heartbeat city seems to have something close and functional in the clock kit they offer. Uses screws rather than a stud/nut setup.

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