Rep Power: 665

I was woundering how much boost can a stock b18b or b18a handle

 
Rep Power: 786

6-9 psi toned if ur lucky:thumbsup:

 
Rep Power: 665

how much boost can a ls/vtec handle

 
Rep Power: 718

depends if you build the bottom end, but if u think a stock bottom end is gonna hold 9-10 p.s.i. ..... good luck. Make sure u have someone real good tuning it. personally, if ur gonna go turbo, build ur bottom end, u wont regret it.

 
Rep Power: 744

stock... don't go over 9 psi...with a PROPER tune of course.

with shitty tuning (FMU)... 6-7 psi.

With a block guard 12 shouldn't be a problem

 
Rep Power: 665

thanks man

 
Rep Power: 717

seem it done on bone stock LS with 12-13psi but with really good tuning, is not the boost that kills engine is the tuning that will lead to disaster

 
Rep Power: 709

boost amount depends on ignition timing and fuel grade, but those two depend on each other, it's an endless loop, more boost, less timing, more octane, less boost, more timing, less octane, dual cam's are good, change valve timing to run more ignition timing, you can boost your guts out super retarded intake timing and 15 degrees ignition timing, then again, you would need boost to make engine properly.........