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oil pan corvette specific?

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Old Dec 29, 2024 | 06:58 PM
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Default oil pan corvette specific?

is a 1977 oil pan corvette specific or can I just get a SBC one off jegs?

TIA,

Michael
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Old Dec 29, 2024 | 07:51 PM
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I think the L82 was special, it had a baffle and is not available any more that I’m aware of. Any 5 quart should fit the chassis but I’d avoid China made stuff.

I got one made in Canada that’s decent.
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Old Dec 29, 2024 | 08:04 PM
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The front half portion of the pan has to be somewhat shallower than some other SBC pans. The rear, doesn't matter depth wise.

The issue here is clearance for the "moving" side to side power steering hydraulic ram.

If you are looking for more capacity; 5 Qrt - 6 Qrt, then Milodon has a 5 qt at Summit.
Clears the ram with room to spare.
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Old Dec 29, 2024 | 09:42 PM
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As far as I know every "Corvette" pan from C2 to C4 has the drain plug in the rear. And most every other pan has them on the side. Or at least that's what I look for at swap meets, so far it has worked out.
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Old Dec 30, 2024 | 02:34 AM
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77 corvette is definitely at the side, rear yes, but the side. Not the very rear. Corvette pan is definitely shallower in the front area.
in answer to the original question. Yes you can probably get one from Jegs or definitely from Summit..but order one for a Corvette!
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Old Dec 30, 2024 | 07:35 AM
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The pan for my 74 l48 was 7- 7 1/4 deep at its deepest point if I remember right and more shallow towards the front to clear the antique steering hardware if you have the stock power steering. I picked up a regular replacement pan for the 400 im building but found that even though it will clear everything now that ive cleaned up all the old power steering stuff, once I installed a borgeson unit the pan is just a bit deeper and now hangs lower than everything else under my car which I dont like. Its less than an inch deeper but enough to hang noticeably lower in my setup. I have a lowered c3 with sidepipes. I will be transferring my stock l48 once again to its third engine. there are shallow pans out there that will work better but make sure they will clear all that steering hardware.
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Old Dec 30, 2024 | 08:51 AM
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Deeper, but not as long sump.  75-79 L-82, this pan can fit the full length widage tray and has welded angles to mate up with the baffle. Less ground clearance than the 68-74 Corvette only pan.  Requires a different oil pump pickup than the earlier pan.
Deeper, but not as long sump. 75-79 L-82, this pan can fit the full length widage tray and has welded angles to mate up with the baffle. Less ground clearance than the 68-74 Corvette only pan. Requires a different oil pump pickup than the earlier pan.

Full lenth windage tray. Fits the deeper, short length sump 75-79 L-82, Z/28, SHP Chevy Power Manual catalog pan. This long tray will not fit C3 68-74 Corvette specific oil pan.
Full lenth windage tray. Fits the deeper, short length sump '75-'79 L-82, Z/28, SHP Chevy Power Manual catalog pan. This long tray will not fit C3 68-74 Corvette specific oil pan.

75-79 L-82, Z/28, SHP catalog deeper sump pan with welded angles.  Used with full length tray.
'75-'79 L-82, all Z/28, SHP catalog deeper sump pan with welded angles. Used with full length tray.

C3 68-74
C3 '68-'74 "Corvette" specific pan, longer sump but not deep, will fit a half length windage tray for LT-1 and L-82 but no angles are used. Requires a specific oil pump pickup.

Shortie windage tray fits Corvette specific pans. LT-1 or 73-74 L-82. Tray also used here on an 80 L-82, but this application has the new passenger side dipstick block and pan. No angles.
Shortie windage tray fits Corvette specific pans. LT-1 or '73-'74 L-82. Tray also used here on an '80 L-82, but this application has the new passenger side dipstick block and pan. No angles.

1970 Corvette specific pan with rear drain plug on my car now.
1970 Corvette specific pan with rear drain plug on my car now.

Original '71 LT-1 pan with rear drain plug.
Original '71 LT-1 Corvette pan with rear drain plug.


Bottom line, the '68-'74 "Corvette" specific pan/ pickup setup has better ground clearance and is available from the vendors at a reasonable price. The '75-'79 L-82 pan setup is VERY expensive if you can find the whole package and has less ground clearance. The Later L-82 NCRS builds might require it but others might not be worth the scratch.

Last edited by stingr69; Dec 30, 2024 at 11:53 AM.
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Old Dec 30, 2024 | 10:22 AM
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Originally Posted by Gale Banks 80'
As far as I know every "Corvette" pan from C2 to C4 has the drain plug in the rear.
Not on a '76 L48.....it's on the side.
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Old Dec 30, 2024 | 10:39 AM
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L-48 GM part number 465221 years 1974 to 1979
L-82 465220 years 1975 to 1979
drain plug both left side toward the rear of pan
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Old Dec 30, 2024 | 08:22 PM
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Just curious, I see all of these orange oil pans but our '78 L82 pan is blue as is the block. Car has 10K on it and I'm pretty sure the engine has never been out. Thoughts?

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Old Dec 30, 2024 | 09:19 PM
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'78 engines are GM Corporate Blue. The color change happened in 1977.
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Old Dec 30, 2024 | 09:21 PM
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76 and older, Chevy orange engine. 77 and up corporate blue engine. Dreadful color! Painted mine black.
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Old Dec 30, 2024 | 09:23 PM
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Beat ya' by 2 minutes, Doc... I'll have another Martini to slow myself down to your pace....

Lars
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Old Dec 30, 2024 | 09:57 PM
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Change over from Chevy orange to Corporate blue occurred in early 1977 production. So some early 1977 could be or would be orange.
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Old Dec 30, 2024 | 10:10 PM
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OK, CORPORATE BLUE L-82 PANS.....







I don't actually own this one.
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Old Dec 30, 2024 | 10:56 PM
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Tell me your blue is ugly without saying ugly: Corporate Blue.

Thanks for the insights.
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