Thanks for your reply's
the 383 hp motor I picked up came with this oil pan and windage tray plus the aftermarket carter performance fuel pump so I thought maybe the oil pump was hv?Is there a way to tell by taking it off?

Mancini Racing B/RB 5 Qt Oil Pan

Fits: Big Block, B/RB

5 quart oil pan is based off Chrysler "971" Stamping. fits

Rear Main Seal Style: 2-piece

Sump Location: Center

Stroker Clearanced: No

Maximum Stroke with OE Rod: 3.750 in.

Sump Style: Wet

Oil Pan Capacity: 5.00 quarts

Oil Pan Depth (in): 5.250 in.

Oil Pan Material: Steel

Oil Pan Finish: Natural

Baffled: Yes

Kicked Out: No

Dipstick Provision: Yes

Windage Tray Included: No

Pickup Included: No

Crank Scraper Included: No

Drain Plug Thread Size: 1/2-20 in.

Gaskets Included: No

Hardware Included: No


Thanks
Rob