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Old 07-30-2017, 11:20 PM   #26
-Phil
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Quote:
Originally Posted by spdbydesignchris View Post
Surprising, we see 400whp out of our 400X @ 14-15 PSI all day long.

The 500X makes 500whp @ around 20 PSI.

I would have expected more from the 620Z, hum....
This is on a 9:1 Compression motor, therefore the comparison isn't quite there, on a stock compression motor and e85 it would be around the same.
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