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Username Post: Help with parts ID        (Topic#348204)
PLS 
"5th Year" Silver Supporting Member
Posts: 862
PLS
Loc: Smyrna, Georgia
Reg: 06-07-12
11-14-17 12:13 PM - Post#2714362    

Could anyone help me ID these pieces? Two have Mc 4875 stamped in them. The hole in two has flat portions in the hole at 3, 6, 9 and 12.
The other two have Mc 4876 stamped in them. The hole in these two have half circles at approx. 2 and 8. They were in a box with my steering wheel parts, door handles, rear view mirror and some other parts, everything in the box is for my “60 Impala. Lamar


Attachment: DSC06938.JPG (2.76 MB) 7 View(s)






Edited by PLS on 11-14-17 02:24 PM. Reason for edit: No reason given.

 
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WagonMan 
"7th Year" Silver Supporting Member
Posts: 1613
WagonMan
Age: 69
Loc: Las Vegas, NV
Reg: 10-26-04
11-14-17 07:45 PM - Post#2714427    
    In response to PLS

Look like exhaust restrictor plates for the crossover in the intake manifold for small block V-8's.

Charles

57 210 4dr. Wagon(bought '82)
-350/700r4 Mild Custom
56 BA 4dr. ht.(bought '98)
-265/TH350 Mostly Stock
29 Ford Sedan(bought '75)
-4.3L/TH350(in progress)


 
PLS 
"5th Year" Silver Supporting Member
Posts: 862
PLS
Loc: Smyrna, Georgia
Reg: 06-07-12
11-15-17 07:09 AM - Post#2714458    
    In response to WagonMan

Bingo Charles you are absolutely correct. Here is a youtube video, https://www.google.com/url?sa=t&source=w eb&... I don’t remember seeing these when I bought the gasket kit and I’m sure that I would have checked into what they were and not have just decided to not use them because I’m not that up on rebuilding engines. They don’t appear to have been used. I didn’t rebuild the engine but I did trim it all out, I let one of my grandsons help some and you can see in pic 2836 as we are setting the intake on the engine that the plates are not installed. Don’t know where they came from or why they were in the box that they were in but stranger things have happened. I hope that this doesn’t make a great different because at this stage they won’t be going in. Thanks for identifying this for me. Lamar

Attachment: DSC02834.JPG (2.68 MB) 1 View(s)




Attachment: DSC02835.JPG (2.56 MB) 2 View(s)




Attachment: DSC02836.JPG (2.71 MB) 1 View(s)


You can see as we are placing the intake on the engine that the restrictors are not there.


Attachment: DSC02838.JPG (2.59 MB) 2 View(s)






 
stanski 
Forum Newbie
Posts: 41

Reg: 05-05-16
11-16-17 02:35 PM - Post#2714683    
    In response to PLS

I always put them in, helps slow burning the paint on the intake.



 
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