Turbo stock internals?

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cashen

Junior Member
I was thinking about adding a turbo. How much boost can I run on stock B16 internals? 6-8psi? And how much power increase would I see with it.
 
power output from 6-8 psi will vary greatly depending on the turbo size...
you can prob expect about 40% increase on a normal setup
 
One thing that people need to get in there head is that you DO NOT tune you car by PSI. You tune it by hp. You cant just say "Is 6-8psi the most i can boos my stock engine?". If your engine can handle 200hp on stock internals for example...if it needs 100psi to reach that hp than thats what you will add. The amount of power you can get out of each psi depends on your setup and tune. know what I mean?
 
You can make 250-300whp on a stock internal B16 with good tuning.
 
Calesta said:
You can make 250-300whp on a stock internal B16 with good tuning.
there have been a few 500+ on stock internals on HT

not that id want to do it with my daily driver...
 
I didn't want to make a new thread for this, sorry if im jacking your thread. What is a safe level of WHP for a b18c1 with stock internals, for a daily driven car.
 
Depends on tuning... but 300whp is a pretty good ballpark figure with good tuning and 91 octane. 350whp is doable if your tuner knows what he/she is doing.
 
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