C2 Big block Exhaust Manifold Bolts

[Blake W.]

Do the inner exhaust manifold bolts (4 per side) that bolt the exhaust manifold to the head have lock washers or not? These are not the bolts with the french locks. C2 big block.

thanks Blake

[Kieran A.]

Re: C2 Big block Exhaust Manifold Bolts

Blake,I believe the washers are used only on the front and rear bolts to allow proper spacing for the french locks; the four center holes do not utilize the washers. The washers are thick spacer washers,not lock washers, placed between the manifold and the french lock. Regards,Kieran #11373

[Blake W.]

Re: C2 Big block Exhaust Manifold Bolts

thanks for the reply Kieran. I'm aware of the spacers on the french locks. My question is if the center 4 bolts use any kind of washers, ie a split washer ect???

[Rob A.]

Re: C2 Big block Exhaust Manifold Bolts

The center 4 bolts have no washers, lock washers or spacers.

[Kieran A.]

Re: C2 Big block Exhaust Manifold Bolts

Blake,Rob hit the nail on the head;nothing on the four inner bolts. Regards,Kieran #11373

[Blake W.]

Re: C2 Big block Exhaust Manifold Bolts

Thanks to both of you. Exactly what I needed to know.