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| | |-+  What Oil Pan did 302's and HP Smallblocks use with Windage Tray?
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Author Topic: What Oil Pan did 302's and HP Smallblocks use with Windage Tray?  (Read 2494 times)
MyRed67
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« on: June 06, 2011, 02:07:06 PM »

  I'm wondering what 302's and High Perf. 327 engines used for Oil pan?   Did they use the standard Oil pan with the baffle in it?  Can a Windage Tray be used in cconjunction with the standard pan with a baffle?  Thanks for any input!
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1967 Camaro  LOS  11A
Original Engine   Z - Tribute
Mike C.    NW - Illinois
Stingr69
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« Reply #1 on: June 07, 2011, 10:57:51 AM »

The Z/28 pan has 2 strips of steel spot welded inside the pan that mate up with the curled edges of the windage tray. The strips will seal off the tray sides. You will notice the fit when you try to install the pan - you have to draw the pan tight with the screws as the windage tray assy will hold the pan away from the bottom of the block slightly.

The pan is still available from GM Performance Parts in the catalog. You can download the catalog and find it. It might be $135 or so but I have not bougt one for some time. The only functional difference between the production pan and the current service replacement is the front seal thickness. The current service replacement uses the '75 and up oil pan gasket setup (as do all current service replacements for older pans). You will need the 5 special studs with stand-offs, 5 prevailing torque nuts and the ~$35 tray.

You might want to get the high pressure spring for the stock volume oil pump if you need it for a whopping $4. Wink

-Mark.
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JohnZ
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« Reply #2 on: June 07, 2011, 02:42:52 PM »

I don't know what the current GMPP part number is for the Z/28 pan, but it was P/N 360450 when it was also used for 1975-79 L-82 Corvettes (with the thick front seal). The Z/28-L-82 windage tray that mates with the rails welded to the sides of the oil pan is still available as P/N 3927136, and the main studs are P/N 14087508 (originally P/N 3960312). Photo below is the windage tray (baffle).
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'69 Z/28
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Boston14
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« Reply #3 on: June 07, 2011, 05:18:43 PM »

Here's a picture of an old 302 pan I used to have but have since sold.
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boston14

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Stingr69
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« Reply #4 on: June 07, 2011, 06:35:06 PM »

360450 is the current number for the service replacement. It sells for $99 from Scoggin Dickey.

http://sdparts.com/details/gm-performance-parts/360450

-Mark.
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Stingr69
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« Reply #5 on: June 09, 2011, 12:54:57 PM »

I don't know what the current GMPP part number is for the Z/28 pan, but it was P/N 360450 when it was also used for 1975-79 L-82 Corvettes (with the thick front seal). The Z/28-L-82 windage tray that mates with the rails welded to the sides of the oil pan is still available as P/N 3927136, and the main studs are P/N 14087508 (originally P/N 3960312). Photo below is the windage tray (baffle).

Just a comment - the '68 and older 327 block would use different mounting studs #3872718.
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Jerry@CHP
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« Reply #6 on: June 10, 2011, 08:03:55 PM »

Also, three different oil pans for all three years of the 302,

Jerry
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melav8r
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« Reply #7 on: June 11, 2011, 01:48:01 AM »

Jerry, what are the differences in the 3 pans?
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Jerry@CHP
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« Reply #8 on: June 11, 2011, 05:21:54 PM »

Hard to show you now, I would need three photos, the '67 uses a two step pan, the '68 is unique from the '69,

Jerry
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gary
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« Reply #9 on: July 17, 2011, 06:24:52 AM »

Jerry, Could you take some pictures of the three different pans for each year and explain the difference in the pans. I have a 67 and 68 302  motors on stands but dont know if I have the correct pans.  Also what drain plugs are correct for all thre years and the head marking.

Gary
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deejaygee
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« Reply #10 on: July 17, 2011, 03:44:39 PM »

1967:

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gary
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« Reply #11 on: July 17, 2011, 04:41:02 PM »

Thanks alot. Picture looks great.   Do you know the difference in the 68 and 69 are? Thanks Gary Smiley
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