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105722 Posts in 12341 Topics by 4754 Members
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1  Camaro Research Group Discussion / Originality / Re: 1969 X66 SS Headlight Bezels? on: October 23, 2014, 10:06:11 AM
The Style Trim bezels have a chrome trim piece and a little black paint on the front.  The sides are painted silver but I am guessing that the sides could be different on a true black grill car.  It only makes sense that it would be that way.  Black grill cars would look odd with silver painted bezels.

-Mark.
2  Camaro Research Group Discussion / Originality / Re: Parts Help on: October 20, 2014, 09:38:50 AM
Be careful with any long distance parts purchase.  Arms length transactions are strongly preferred when dealing with Camaro parts vendors.  Know what you are buying and ask lots of questions before handing over the credit card numbers.  We have been burned before by so-called
"reputable" vendors who should (and do) know the difference between "gold" and junk.  They are known to put lipstick on a pig then ship it to you in a box. Restocking fees and freight both ways deter you from returning what was described to be "original assembly line parts" but is actually some well used tired generic service replacement that would typically sell for a fraction of what you paid.  If you can't trust an "expert", who can you trust?  Sad.

-Mark.
3  Camaro Research Group Discussion / Decoding/Numbers / Re: NOS rear quarter panel louver on: October 17, 2014, 02:38:35 PM
As long as they do not have any tinnerman nut witness marks, they are probably brand new.  The casting is pot metal and it can corrode over time where it is not plated.
4  Camaro Research Group Discussion / General Discussion / Re: 69 Z/28 X77 garage/barn find on: October 17, 2014, 02:35:41 PM
Liquid Laundry Soap straight from the bottle, let it soak in for a bit, then warm water and light scrub with plastic bristle brush.  Rinse well and air dry.  They will be clean and soft.

-Mark.
5  Camaro Research Group Discussion / Maintenance / Re: Hurst Shifter Adjusting Blocks/Rods on: September 30, 2014, 02:35:31 PM
Use an Oxy-Acetylene smoke wrench to the adjusting block.  Get it to dull red color then spray with PB Blaster.  Makes a lot of smoke and smell so do it outdoors.  That is how I get the threaded engine block plugs out.  It should work for the shift rods too.  WD-40 does not work as well for this in my experience.  The PB Blaster is best here.

-Mark.
6  Camaro Research Group Discussion / Originality / Re: Master cylinder cover on: September 28, 2014, 07:07:19 PM
My 10A of '68 1969 Z/28 master cylinder has a date code of 241.  I believe it is original to the car?

My original cover is the version 1 style (which I still have), but I currently have the version 2 style on the car - that I stole from my Jan of '69 Z/28.

Sounds like a similar data point. Date code is 2 days away from mine and we have the same production week.  

I have a good original steering box as well.  I bet those would be close too.

-Mark.
7  Camaro Research Group Discussion / Originality / Re: Master cylinder cover on: September 28, 2014, 09:48:27 AM
Date Code for above.  Should line up for a 10A of '68 for a '69 model year car.
8  Camaro Research Group Discussion / Originality / Re: Master cylinder cover on: September 24, 2014, 08:21:14 PM


I don't have many important pieces still left on my car that I could reasonably believe were original BUT I do believe that this master cylinder/cover/booster is original.  This is a valid datapoint for this '69 Z built first week of October '68.  So glad I have something to contribute.  Grin

-Mark.
9  Camaro Research Group Discussion / General Discussion / Re: Got Rust? on: September 22, 2014, 02:19:52 PM
This is the line that made me grin:

"It will require trailering home OR WE CAN MAKE IT SMALLER for shipping if desired"  :~D

With what?  a blow torch?!?!?!  -HA!

on second thought......From a business standpoint, Bob should really be giving that car away to the first trailer that shows up.  He can then sell back all the pieces he took off of it to the new owner.

-Mark.
10  Camaro Research Group Discussion / General Discussion / Re: 68 L-89 with Heavy Duty clutch on: September 10, 2014, 10:17:55 AM
Maybe it was originally from a Chevelle or Vette with the HD clutch?

-Mark.
11  Camaro Research Group Discussion / Maintenance / Re: Timing out of wack on: August 25, 2014, 05:24:04 PM
The keyway is located something like 9 degrees off the TDC mark on the balancer.  Balancer timing mark will line up with timing tab at #1 TDC AND at #6 TDC.

The crank can't be wrong.  if you are actually at #1 TDC FIRING position, the timimg mark will match up with the timing tab (at maybe 2:00).  Anything else (IE 7:00) is not possible. If the keyway is near 7:00..... the #1 piston is at the BOTTOM of the cylinder.

Distributor can't be installed right. You can't move the keyway that is cut on the crank, right?

Go back to post 2 - Pull the distributor out and put your finger over the spark plug hole while someone else bumps the engine.  When the air puffs out you line up the timing marks on the balancer and the timing tab then drop the distributor down in place with the rotor tip ending up roughly pointing at the battery. See the chilton manual for the cap wiring firing order and correct distributo tower to start the firing order.  Be sure to get that distributor all the way down where the oil pump shaft lines up and the distributor is all the way down on to the intake manifold. 

This has got to be the issue.

-Mark.
12  Camaro Research Group Discussion / Maintenance / Re: Timing out of wack on: August 25, 2014, 01:55:32 PM
It will not run 180 out.  The shear key might be missing but I suspect this is not the problem.

How did you verify the balancer?  How are you checking the timing?  Where does the rotor point when the engine is on #1 TDC Firing position?

Which tower are you using for #1 cylinder?  Firing order is probably fine if it ran well.

-Mark.
13  Camaro Research Group Discussion / Maintenance / Re: Timing out of wack on: August 25, 2014, 11:05:25 AM
My guess - Re-clock the distributor to where it should be and verify the wire positions on the cap.  Put your finger in the #1 spark plug hole and crank the engine to verify #1 TDC firing position - it will blow your finger out. This situation is probably not as messed up as you think it is. Some times people drop a distributor in after a cam swap in what they believe is the right #1 TDC Firing position but it is actually at #6 TDC.  Happens ALL the time.

-Mark.
14  Camaro Research Group Discussion / Restoration / Re: Motor mounts on: August 25, 2014, 10:58:23 AM
The locking mounts are fine but keep in mind that the different engines used different mounts and stands.  In case you didn't know - All small blocks do not use the same mounts.  I know that sounds crazy because it really is. Smiley

-Mark.

15  Camaro Research Group Discussion / General Discussion / Re: Harmonic Balancer for 302, need the circumference? on: August 19, 2014, 09:39:00 AM
Wrap a measuring tape around the balancer.  Divide by 4.  Much more accurate and practical.  String is great too.

Make marks for every 90 and another mark for 36 advanced for setting the timing while you are at it.

BTW - "360 = Circumference" so measure around the damper then divide measurement by 10 to get the measurement for 36 point from the TDC mark. Smiley

-Mark.
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