Engine/Transmission (1994 - 1998) stronger head bolts?

[gary johnson]

started with a few mods to improve towing..... that was 3K ago. Now looking at 350 to 375 HP and don't know if I should worry about stronger head bolts. Anyone know at what point the stock bolts will need to be changed?

 

[The patriot]

I'm no expert, but I believe your stock bolts& head gasket are OK at that HP level.

 

[JKosten]

I have heard they are good up to 45-50 psi of turbo boost, but not sure about hp/torque.

 

[KBurgoyne]

the highest boost you would want to maintain would be around 45 with the stock bolts. that would put the hp at the 400-500 range. you could retorque the head bolts to 115 or up it 120 if yer worried. if its the stock turbo you shouldnt be. if its aftermarket set the wastegate to around 40.

 

[gary johnson]

thanks all... . solid info KB. Boost pressure will be the one I watch! Stock turbo now, but ATS 3000 on my wish list.



98 12V Dooley 4x4