Improved Racing EGM-301 User manual

For contact information, visit www.improvedracing.com
Copyright © 2008-2014 Improved Racing Products, LLC. All rights reserved.
Rev 102BE
Crank Scraper for 3.622” Stroke
GM LS & Vortec Engines
Part No. EGM-301
Made in USA
Important: Read these instructions
in their entirety prior to installation.

For contact information, visit www.improvedracing.com
Copyright © 2008-2014 Improved Racing Products, LLC. All rights reserved.
For contact information, visit www.improvedracing.com
Copyright © 2008-2014 Improved Racing Products, LLC. All rights reserved.
2 3
checking carefully for interference between the crankshaft and the
crank scraper. If any interference is observed, return to Step 6 and
adjust as necessary.
Warning: Be absolutely sure no physical contact occurs between
the crankshaft and the crank scraper as this will result in severe
engine damage.
9. Optional but recommended: Clean the oil pan thoroughly to remove
any oil residue and sludge buildup.
10. Optional but recommended: Replace the oil pan gasket and pickup
tube O-ring with new components.
11. Reinstall the oil pickup tube, taking extra care to ensure the O-ring is
correctly seated during installation, as failure to do so can lead to en-
gine failure. Torque the pickup tube to oil pump bolt to 106 lb-in (8-9
lb-ft). Torque the pickup tube bracket to windage tray nut to 18 lb-ft.
12. Refer to the instructions in the vehicle’s factory service manual to
reinstall the oil pan.
13. Replace the oil lter, tighten the drain plug and rell the sump with oil
to the factory-recommended level.
Congratulations! Installation is now complete. You can now benet from
improved oil control and a typical power gain of 2-4 horsepower at the
wheels.
Applications
This product is designed for direct installation in the following engines, in
their factory conguration (stock crank and rods, 3.622” (92 mm) stroke):
• LS1 / LS6
• LS2 / L77 / L98
• LS3 / L99
• LS9 / LSA
• Gen III Vortec 5300 (LM7 / L59 / LM4 / L33)
• Gen IV Vortec 5300 (LH6 / LY5 / LMG / LC9 / LH8)
• Gen III Vortec 6000 (LQ4 / LQ9)
• Gen IV Vortec 6000 (LY6 / L76 / LFA / LZ1)
• Gen IV Vortec 6200 (L92)
InstallationInstructions
Warning:This product should only be installed by a qualied me-
chanic. Improper installation could result in severe engine damage.
1. Drain the engine oil and remove the oil lter.
2. Refer to the instructions in the vehicle’s factory service manual to
remove the oil pan.
3. Unbolt the oil pickup tube and set aside.
4. Unbolt the windage tray and set aside.
5. Secure the crank scraper to the main caps using the windage tray
nuts temporarily to check clearances.
Important: Note the correct windage tray orientation. The arrow
should be pointing towards the front (accessory drive) of the engine
and the text should face down (readable when crank scraper is se-
cured to engine).
6. Use a wrench to slowly turn the crankshaft manually while check-
ing carefully for interference between the crankshaft and the crank
scraper. If any interference is observed, adjust the crank scraper’s
position to eliminate the interference. In rare instances it may be
necessary to use a hand le to remove some material from the crank
scraper to eliminate interference. Ideally, there should be between
0.020” to 0.060” of clearance between the crank scraper and the
crankshaft.
7. Note the position of the crank scraper. Remove the windage tray
nuts, position the windage tray over the crank scraper, and secure
with the windage tray nuts. Torque to 18 lb-ft.
8. Once again, use a wrench to turn the crankshaft manually while

For contact information, visit www.improvedracing.com
Copyright © 2008-2014 Improved Racing Products, LLC. All rights reserved.
4
LifetimeWarranty
All products manufactured by Improved Racing are covered by lifetime warranty. This
means that we guarantee our products for as long as the original purchaser owns it. Proof
of purchase is required.
Warrantycovers:
1. Manufacturing and material defects.
2. Product or material failure occurring during normal use.
Warrantydoesnotcover:
1. Any damage to the product, unless caused by a manufacturing or material defect.
2. Any failure or damage due to normal wear and tear.
3. Products modied in any way.
4. Products which have been discontinued for longer than 1 year and for which no
replacement is available.
5. Products sold, but not manufactured, by Improved Racing. For assistance with these
products, please refer to the original manufacturer’s warranty.
To le a claim, visit www.improvedracing.com and use the Contact Form. Once a claim
is led, product will be either repaired or replaced by the manufacturer. Product must be
shipped at customer’s expense.
Returns
We offer a 30-day money-back guarantee. If you are unsatised with our product for any
reason, you may return it within 30 days of purchase for a full refund. Returns must be pre-
approved. Damaged items are not returnable, unless the product exhibits a manufacturer’s
defect or is damaged during shipping. To request a return, please visit our contact page
on our website at http://www.improvedracing.com. Shipping costs are non-refundable and
returned items must be shipped at customer’s expense.
LegalNoticeandTermsofSale
• The term “this product”, as used throughout this document, refers to the product listed
on the cover page of this manual.
• This product is intended for off-road use only and does not necessarily meet required
federal regulations for road-going vehicles.
• While care was taken in the design and development of this product, racing is a
dangerous activity and the purchaser assumes all risk and liability associated with the
use of this product. These risks include but are not limited to damage, loss, injury and/
or death.
• Improved Racing and its owner(s) are not liable for any losses or damages of any kind
incurred while using this product.
• By purchasing this product, the purchaser agrees to the terms of this agreement.