boosting on stock guts

[bluntedelvis]

I'd say 15-20 psi would be safe for ya.

[HiImBrian]

Originally Posted by bluntedelvis

I'd say 15-20 psi would be safe for ya.

Well yea 15-20 is safe, but it's definitely not the "max safe" like the first post asked. Shit 5psi is even safer if your looking to be nice to the motor. Again, this is a tough question considering the shape of the motor and the modifications that are on it.