C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

L98 Plenum bolt size (87)

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Old Nov 9, 2010 | 12:58 PM
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Default L98 Plenum bolt size (87)

Looks like I have yet another project on my hands.

One of the runner-to-plenum bolts is broken off in the plenum. Does anyone know off hand what kind of bolt to use to replace these?

I'll probably swing by the hardware store and pick up a matching set, as right now it has some random junky bolts on there in addition to the factory torx bolts, so I may as well make it all match.

I'm guessing I should probably coat these with anti-seize on reinstall to avoid this happening again. Torque to 25lb-ft? (with anti-seize? or go lighter with the lube on there?)
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Old Nov 9, 2010 | 03:10 PM
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Thread size is M8X1.25 Sorry don't remember the length
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