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

Fuel rail bolt size/thread

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Old Jan 27, 2013 | 10:07 AM
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Default Fuel rail bolt size/thread

What is the size and threads per inch on the tiny bolts that hold the cross tubes between the rails and hold the tubes in the rail/"o" ring?? One is stripped. Is there room to drill tap to increase the size by one? #$%^&*()_)(*&^%$#$%^&*()_+_)(*&^%$%^&*() _)(*&^%$%^&

Thanks for all info
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Old Jan 27, 2013 | 11:38 AM
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Originally Posted by The Bus
What is the size and threads per inch on the tiny bolts that hold the cross tubes between the rails and hold the tubes in the rail/"o" ring?? One is stripped. Is there room to drill tap to increase the size by one? #$%^&*()_)(*&^%$#$%^&*()_+_)(*&^%$%^&*() _)(*&^%$%^&

Thanks for all info
L98, LT1 early before '94 or LT '94 & later

The hardware all years isn't dimensional in the catalog - just part #'d. Take a fastener and go shopping for a nut that fits, should be metric or use a screw-pitch gauge to check. I'd consider maybe once you find the size maybe epoxy or JB Weld a stud of the same size in the rail and use nuts to secure it. A stud in 5mm or whatever it is won't be easy to find but I'm sure it can be. Did you ruin 1 or more?

Last edited by WVZR-1; Jan 27, 2013 at 11:46 AM.
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