I think i have an easy question. All mods in sig, except im installing a fast 90/90 and some tsp ls6 heads. my question is in order to use arp head studs to i need to pull the motor? i want to leave it in the car. also do i install the studs first or the heads? thanks

 

No need to pull the motor, and yes install the studs first.

 

https://ls1tech.com/forums/generation-iii-internal-engine/488563-torque-specs-arp-head-studs.html

Rob (Bad30th)