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AeroFlow LS - User Manual

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1 | P a g e
40 Huntingwood Drive Huntingwood NSW 2148
Phone: (02) 8825 1999 Website: www.aeroflowperformance.com
INSTALLATION MANUAL
AEROFLOW PERFORMANCE
LS CHEV CONVERSION OIL PAN
WARNING!
BEFORE PROCEEDING WITH INSTALLATION PLEASE READ INSTRUCTIONS CAREFULLY. THIS PRODUCT REQUIRES DETAILED
KNOWLEDGE OF AUTOMOTIVE SYSTEMS. WE RECOMMEND THAT THIS INSTALLATION BE CARRIED OUT BY A QUALIFIED
AUTOMOTIVE TECHNICIAN.
INTRODUCTION
Congratulations on your purchase of Aeroflow Performance GM LS conversion oil pan. Aeroflow Performance products cannot and will not be
responsible for any damage, or other conditions resulting from misapplication of the parts described herein. However, it is our intention to
provide the best possible products for our customer, products that perform properly and satisfy your expectations. Should you have any
questions? Please call technical support at +61 2 8825 1979 and have the product part number on hand when calling.
This product is designed to suit GM LS series engines in many conversion applications. Please note to ensure to check all dimensions before
installation of this oil pan.
The factory GM LS pans don’t always fit or they hang too low for a lot of conversion applications. The Aeroflow Performance LS conversion oil
pan is designed to help! It provides maximum extra clearance to the chassis frames and ground. Designed for LS engine conversion
installations where you require more oil pan to chassis frame clearance around the front half of the oil pan. This cast aluminium oil pan is
modelled off the OEM GM LS oil pan so it shares OEM oil filter mounting, OEM oil cooler port provision, OEM engine NVH suppression, OEM
flange gasket and sealing and OEM bell-housing attachments.
It holds 5.85 litres of engine oil and uses the standard stock block mounted dipstick. Fits the standard oil filter in the standard location. Fits
with a recommend crankshaft stoke of 4.25”.
Before final assembly, make sure all parts are thoroughly cleaned. This oil pan contains hinged trap door style baffles, it is advisable to install
the pan with the engine upright to insure no trap doors will be stuck open.
Due to the welding done on these pans, there is always a chance of slight warping. Some oil pans may encounter a slight ‘rocking’ effect when
laying the pan down on a flat surface. Once the pan is drawn down securely by the bolts and the engine is run, you will find the pan will take a
‘set’ in the straightened position. We have found that an initial ‘rock’ of up to a 1/8 ( 3.17mm ) on a new pan is completely acceptable.
For more information or technical enquires
Contact: Aeroflow Performance on
Phone: (02) 8825 1979 Website: www.aeroflowperformance.com
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Summary

Product Introduction and Warnings

Safety and Professional Installation Recommendation

Emphasizes the need for careful reading, detailed knowledge, and qualified technician for installation.

Product Welcome and Disclaimer

Welcomes the customer, states Aeroflow's commitment, and includes a disclaimer regarding misapplication.

Design and Pre-Installation Checks

Describes the product's suitability for GM LS engines and emphasizes checking dimensions before installation.

Product Benefits and Features

Highlights increased chassis clearance and lists shared OEM features like filter mounting and NVH suppression.

Capacity and Compatibility

Details oil capacity, dipstick use, oil filter location, and recommended crankshaft stroke.

Installation Preparation and Baffle Note

Advises cleaning parts and installing the pan upright to prevent baffle issues.

Warping and Seating Consideration

Explains potential slight warping and how the pan will seat during installation.

Removal Procedure

Pre-Installation Check Recommendation

Recommends bolting down the pan without sealant and checking for rotating assembly interference.

Removal Steps

Lists step-by-step instructions for removing the stock oil pan, including fluid drainage and component disconnection.

Installation Guide

Pre-Installation Notes

Provides crucial pre-installation advice regarding gasket surfaces, alignment, and initial mock-up.

Oil Pan Installation Steps

Details the sequence for installing components like the pickup screen, baffles, oil passage cover, and the oil pan itself.

Final Checks and Tightening

Covers installation of bellhousing bolts, transmission cover bolts, drain plug, and oil filter adapter.

Summary

Product Introduction and Warnings

Safety and Professional Installation Recommendation

Emphasizes the need for careful reading, detailed knowledge, and qualified technician for installation.

Product Welcome and Disclaimer

Welcomes the customer, states Aeroflow's commitment, and includes a disclaimer regarding misapplication.

Design and Pre-Installation Checks

Describes the product's suitability for GM LS engines and emphasizes checking dimensions before installation.

Product Benefits and Features

Highlights increased chassis clearance and lists shared OEM features like filter mounting and NVH suppression.

Capacity and Compatibility

Details oil capacity, dipstick use, oil filter location, and recommended crankshaft stroke.

Installation Preparation and Baffle Note

Advises cleaning parts and installing the pan upright to prevent baffle issues.

Warping and Seating Consideration

Explains potential slight warping and how the pan will seat during installation.

Removal Procedure

Pre-Installation Check Recommendation

Recommends bolting down the pan without sealant and checking for rotating assembly interference.

Removal Steps

Lists step-by-step instructions for removing the stock oil pan, including fluid drainage and component disconnection.

Installation Guide

Pre-Installation Notes

Provides crucial pre-installation advice regarding gasket surfaces, alignment, and initial mock-up.

Oil Pan Installation Steps

Details the sequence for installing components like the pickup screen, baffles, oil passage cover, and the oil pan itself.

Final Checks and Tightening

Covers installation of bellhousing bolts, transmission cover bolts, drain plug, and oil filter adapter.

Overview

This document describes the Aeroflow Performance LS Chev Conversion Oil Pan, an aftermarket component designed to facilitate LS engine swaps into various vehicles by providing enhanced clearance and maintaining OEM compatibility.

Function Description

The Aeroflow Performance LS Chev Conversion Oil Pan is specifically engineered to address common fitment issues encountered when installing GM LS series engines into conversion applications. Factory GM LS oil pans often hang too low or interfere with chassis components, making them unsuitable for many swaps. This Aeroflow pan is designed to provide maximum extra clearance to chassis frames and the ground, particularly around the front half of the oil pan. It serves as a structural member for the LS engine, ensuring proper mounting points for the transmission bellhousing. The pan is designed to integrate seamlessly with existing LS engine components, including the oil filter, oil cooler port, and bell-housing attachments. It also incorporates features for engine NVH (Noise, Vibration, and Harshness) suppression and utilizes OEM flange gasket and sealing methods. The pan includes hinged trap door style baffles, which are crucial for oil control during aggressive driving conditions, preventing oil starvation by keeping oil around the pickup.

Important Technical Specifications

  • Dimensions:
    • Length: 541mm (21-19/64")
    • Front Height: 53mm (2-5/64")
    • Rear Height: 82mm (3-7/32")
    • Width (at widest point): 150mm (5-29/32")
    • Overall Depth (from mounting surface): 193mm (7-19/32")
  • Part Number: AF82-2301 (as indicated in the diagram)
  • Material: Cast aluminium
  • Oil Capacity: 5.85 litres
  • Dipstick Compatibility: Uses the standard stock block-mounted dipstick.
  • Oil Filter Compatibility: Fits the standard oil filter in the standard location.
  • Crankshaft Stroke Compatibility: Fits with a recommended crankshaft stroke of 4.25".
  • OEM Compatibility: Shares OEM oil filter mounting, OEM oil cooler port provision, OEM engine NVH suppression, OEM flange gasket and sealing, and OEM bell-housing attachments.
  • Bolt Specifications:
    • Oil pump pickup screen bolts: 12Nm
    • Baffle cap screws (1/4-20" x 0.500"): 12Nm
    • Oil passage cover bolts (M6 x 1.0 x 30mm): 12Nm
    • Oil pan bolts: 11Nm (working from centre out)
    • Bellhousing bolts: 50Nm
    • Transmission cover bolts: 12Nm
    • Oil pan drain plug: 24Nm
    • Oil filter adapter: 50Nm

Usage Features

The Aeroflow Performance LS Chev Conversion Oil Pan is designed for ease of installation and integration into LS engine swap projects. It comes with a new oil pan gasket and a new oil pump pickup screen and O-ring, which are critical for proper sealing and oil delivery. The pan's design ensures that the rear of the oil pan is flush with the rear of the engine block, which is critical for proper transmission bellhousing alignment. The hinged trap door baffles are a key feature, designed to prevent oil starvation during high-performance driving by maintaining a consistent supply of oil around the pickup. The pan also includes provisions for an oil filter adapter and an oil bypass plate and gasket, ensuring all necessary oil system components can be integrated. The installation process involves specific torque settings for various bolts to ensure proper sealing and structural integrity. The manual emphasizes the importance of checking for clearance with chassis components and rotating the crankshaft to ensure no interference with internal baffle components.

Maintenance Features

The oil pan is designed for durability with its cast aluminium construction. Regular maintenance involves checking for leaks after installation and ensuring adequate oil pressure. The design facilitates standard oil filter replacement, as it uses the standard oil filter in the standard location. The manual recommends thorough cleaning of all new parts before installation to remove any dirt or debris. In the event of modifications to the pan (e.g., to clear internal components), it is crucial to thoroughly clean the pan after each modification to prevent debris from entering the engine's oil system. The use of a stud kit (not included but mentioned as an option) can protect the threaded oil pan bolt holes in the engine block and simplify future removal and replacement of the oil pan, enhancing long-term maintainability. The pan's robust design and compatibility with OEM components aim to reduce the need for frequent maintenance beyond standard oil changes and leak checks.

AeroFlow LS Specifications

General IconGeneral
BrandAeroFlow
ModelLS
CategoryIndustrial Equipment
LanguageEnglish