Safe boost on stock sr20 internals?
07-02-2002, 01:12 PM
#1
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Safe boost on stock sr20 internals?
The sr20 faq at heavy throttle says that safe boost for the stock turbo is 13-15 psi, but is this safe boost for the stock engine internals as well or do they have to be upgraded for boost this high?
07-03-2002, 09:54 AM
#2
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the only internals that have to be changed to go safely above 15 psi would be a headgasket...other than that stock sr internals are made very strong and efficient...the bottom end is good to about 28 psi 
...not that I would go that far but thats about where they are good until.
-Rick
...not that I would go that far but thats about where they are good until.-Rick
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