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My brother has his stock he351 from his '06....would the he351 be better than my hx40 in my twins setup? and i would assume i would have to run an external wastegate. is there anything else i would need to run this? would it even be an upgrade?
Spoolup is good with this setup. I'd say it will start making boost about 300 to 400 rpm's quicker than the 40. I can have around 12 to 15 lbs. of boost at 1500 rpm's. Drill the wastegate out to 1 inch to help make up for the small exhaust housing.
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