Mon Jul 08, 2013 3:56 pm by Admin

For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.

When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).

After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …

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LS1 SPEC Flywheel, Clutch & Pressure Plate Assembly

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LS1 SPEC Flywheel, Clutch & Pressure Plate Assembly

Post  Raymond-P on Thu Jul 24, 2014 11:19 pm

While surfing around for torque specs from SPEC, I came across the following info on the LS1Tech Forum:
"Our single-disc assemblies are intended to use the OE torque specs for both the pressure-plate to flywheel and the flywheel to the crank. Let me know if you have any further questions. Thanks,
J. Auvil
Sales and Tech Manager
SPEC, Inc.
800-828-4379 x.109
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"For a 2001 GM 6-speed manual, the pressure plate bolt torque spec is 52 ft-lb."

The SPEC PP fasteners that came with my set-up are Allen Head cap screws with lock washers.
They are YFS Class 12.9. (180,000 psi)
(Fang Sheng Screw Co., Ltd (YFS) is one of the world's largest manufactures of Socket screws. Founded in 1979, YFS offers a broad line of quality Socket products and services. YFS has grown into the world’s Premier global provider of valued-based Socket head products. YFS products are manufactured from high tensile Alloy Steel, Class 12.9 and ASTM A574 for industrial machinery, electric appliances, automotive vehicles, military equipment and may other industrial products.)
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I used ARP Flywheel Bolts and they have their own instructions for 85 ft-lbs.
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Last edited by Raymond-P on Thu Jul 24, 2014 11:37 pm; edited 1 time in total (Reason for editing : Tech update)

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