Quote:
Originally Posted by Soloside
update on the t620z kit. Just got back from the dyno. Got 353whp/268wtq on 18lbs of boost and about a E47 reading. Motor is built at 10:1 compression.
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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....