VX Head gaskets replacement

[Rob1968]

Hey people. I have a VX Supercharged L67. Just wondering if i need to replace head bolts whilst replacing head gaskets? Thanku for any advice.

 

[Jxfwsf]

Yes, they are TTY (Torque To Yield).
Probably be an idea to replace the rocker bolts as well.

Better to be safe than sorry, could get away with reusing them on a n/a engine but i wouldn't risk it with fi.

 

[Rob1968]

Cool thanks eh. I bought new ones for $52

 

[Colloin]

Cast iron head and block. So not a huge amount of irregular expansion/ contraction. As long as the threads are clean as a whistle - I'd reuse them. They don't lose their elasticity.

 

[aussieakito]

Its always good practice to replace head bolts, im not saying your motor will fail if you dont... but for the sake of $50 or so you may as well do a job properly.

 

[billythakid]

Re using TTY bolts is like pissing in the wind , can be done but makes a mess

The bolt actually elongates permantly when torqued and as soon as they are loosened they are fatigued , re using them is not worth it