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What size is the timing cover bolt?

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Old 09-01-2010, 11:54 AM
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Default What size is the timing cover bolt?

Hey all, I just did a cam swap and every time I shut off the engine I would get 2 little drops of oil that I was chasing for like two weeks. I finally noticed that the bottom most drivers side bolt is missing. I have no idea how it did that, since I torqued them all to spec, but anyway, does anyone know what size those bolts are? I don't want to take one out to take to the store since I don't want to take the chance of any more oil leaking or the gasket loosening or anything like that.

Thanks in advance, I appreciate the help as always.
Old 09-01-2010, 12:52 PM
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GM# 11515758, specs are M8x1.25x30.. Also, did you put a little rtv on the bottom sides of the front cover where it meets the oil pan?
Old 09-01-2010, 11:39 PM
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Yeah, I definitely used the RTV around the oil pan, and torqued the bolts to spec (I used the LS1How-to.com write up). No idea how I lost a bolt. Thank you for your help though, that's awesome. I'll pick that up tomorrow.



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