Instruction d'utilisation Edelbrock 4255

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LS1/LS2 Two Piece Timing Cover
For Gen III/IV Small Block Chevy Engines
®
Catalog #4254 & #4255
INSTALLATION INSTRUCTIONS
PLEASE study these instructions carefully before beginning this installation. Most installations can be accomplished with common tools and
procedures. However, you should be familiar with and comfortable working on your vehicle. If you do not feel comfortable performing this installation,
it is recommended to have the installation completed by a qualified mechanic. If you hav

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INSTALLATION 6. The timing cover gasket is intended to be reusable, however it should be inspected for damage and replaced if necessary. A new gasket is supplied for this purpose. With the gasket in place, install the timing cover, then install the front cover bolts hand tight ONLY. Shift the front cover until the lower edge of the cover is flush with the block or use a front cover alignment tool (GM P/N: J-41476). Failure to correctly align the cover to the block can cause oil leaks or damage t

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The notch in the right side of the cover, Make a mark on the harmonic balancer at FIGURE 1 the timing mark, and the center of the the point closest to this indicator. You can cam gear should all be inline when the then use it later as a reference point to cam is in the correct position. verify that the crankshaft is in the correct position. BEFORE REMOVING THE CAMSHAFT Loosen this bolt and lift the sensor, failure to do so can damage the sensor. It is not necessary to remove the sensor altogethe

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® Edelbrock Corporation • 2700 California St. � Torrance, CA 90503 Tech-Line: 1-800-416-8628 � E-Mail: Edelbrock@Edelbrock.com Catalog #4254, #4255 ©2008 Edelbrock Corporation Rev. 6/08 - AJ/mc Brochure #63-4254