Want to replace exhaust mani studs with bolts what size?

[wcpierson]

Im swapping turbos tomorrow and was thinking about changing some of the studs for bolts instead so I was wondering what size bolts I would need....size...thread...diameter..blah blah blah...anyone have an idea?

 

[tom04841]

I know the holes are 8mm x 1.25 pitch. Not sure what length you would want to use