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A Purpose-Built Pan for the S10 LS Swap
The Moroso 20178 is a steel oil pan built for GM LS engine swaps into the Chevy S10 and Blazer, using a rear sump design with an integrated spin-on oil filter provision. Moroso part 20178 is 7 inches deep and holds 6.5 quarts, giving LS swap builders enough capacity and ground clearance for a truck or Blazer chassis. Part number 20178 is engineered around the LS swap specifically, so it clears common S10/Blazer chassis rails without the fabrication work a generic pan would require.
Key Features
- Steel construction for durability in a truck or SUV application
- Rear sump design built for GM LS Gen III/IV swap into the S10/Blazer chassis
- Integrated spin-on oil filter provision, eliminating the need for a separate remote filter adapter
- 7 inch deep sump with 6.5 quart capacity
- Wet sump oiling system compatible with GM LS oil pump and pickup
Fitment
| Year Range | Make | Model | Notes |
|---|---|---|---|
| Swap application | Chevrolet | S10 / Blazer | Built for GM Gen III/IV LS engine swaps into the S10/Blazer chassis; Moroso lists this pan by swap application rather than a factory model year range |
Moroso's small block Chevy version of this same S10/Blazer swap pan (part 20177) is confirmed to fit both 2WD and 4x4 Chevrolet S10/Blazer and GMC S15/Sonoma/Jimmy trucks. This LS version follows the same chassis-swap design intent for the LS engine family, though GMC S15/Sonoma/Jimmy fitment for this specific LS part number was not independently confirmed on Moroso's site.
Specifications
| Detail | Value |
|---|---|
| MPN | 20178 |
| UPC | 084663201783 |
| Material | Steel |
| Sump Type | Rear sump, wet sump |
| Depth | 7 in. |
| Capacity | 6.5 quarts |
| Oil Filter Provision | Spin-on, integrated |
| Engine Application | GM LS (Gen III/IV) |
What's Included
- 1 x Moroso 20178 steel oil pan
An oil pump pickup is sold separately. Moroso offers a matching rear sump pickup, part number 24178, for use with the 20178 pan.
About Moroso
Moroso Performance Products has manufactured racing oil pans, valve covers, and fluid system components in Guilford, Connecticut since the 1960s, supplying drag racing, road racing, and engine swap builders with purpose-built parts.
Related Parts
- Moroso GM LS Oil Pump Pick-Up (Use w/Rear Sump Oil Pans)
- Moroso GM LS Louvered Windage Tray
- Moroso GM LS Swap (w/Rear Sump & Spin-On Oil Filter Adapter) Wet Sump 7qt 6in Angled Steel Oil Pan
- Moroso Chevrolet 13/16in Thread 5-1/4in Tall Oil Filter - Racing
FAQ
What is the 20178?It is a Moroso steel oil pan built for GM LS engine swaps into the Chevy S10 and Blazer chassis, with an integrated spin-on oil filter provision.
What is the oil capacity of this pan?This pan holds 6.5 quarts and measures 7 inches deep.
Does this pan include an oil pump pickup?No, the pickup is sold separately. Moroso offers a matching rear sump pickup, part 24178, for this pan.
What material is this oil pan made from?It is constructed from steel for durability in a truck or SUV application.
Does this pan support a spin-on oil filter?Yes, it has an integrated spin-on oil filter provision so a separate remote filter adapter is not required.
Will this pan fit a GMC S15, Sonoma, or Jimmy with an LS swap?Moroso's small block Chevy version of this pan confirms fitment for those GMC models, and this LS version follows the same chassis design intent, but exact GMC fitment for this specific part number should be confirmed with Moroso.
What engine family is this pan designed around?It is designed around the GM LS engine family, specifically Gen III/IV LS engines being swapped into an S10 or Blazer.
Does this pan work with a stock LS windage tray?Moroso sells a matching louvered windage tray for GM LS swap pans; check compatibility with your specific engine dress before ordering.
Install Instructions
- Drain the engine oil and remove the factory or shipping oil pan from the LS engine.
- Install the oil pump pickup and windage tray, checking pickup-to-pan clearance before final assembly.
- Thoroughly clean both gasket mating surfaces on the block and the new pan.
- Install the oil pan gasket and apply a small bead of silicone at the front and rear seal corners.
- Position the pan on the block and install the mounting bolts, torquing in a criss-cross pattern.
- Install a 22mm spin-on oil filter into the integrated filter provision.
- Refill with the correct oil capacity and check for leaks before extended driving.
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