Quote:
Originally posted by Anaxagoras1986
Assuming that the car is tuned properly, you can put as much as 25 pounds in it? That's pretty amazing!
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No. Above 15 PSI you really should replace the stock injectors. Honestly, I wouldn't trust the stock head gasket above 18 PSI from what I've heard.
The block itself should be OK to 25, but there's a lot on the top that you'll need to "massage" to make it reliable.