Originally Posted by hachacker5024
how much boost can a stock 91 1.8l ls engine take
Assuming you've got acceptable compression and minimal leakdown, assuming you run 91 octane fuel and provide proper fuel enrichment, a B18A1 should handle 7 to 8 psi without worry.
That is a broad guesstimate, however.
What's your budget?
What are your goals?