The "van turbo" is a great upgrade for higher-HP stock injector'd (like that word?) trucks. The less-restrictive turbine housing frees up a few HP on the top of the rev-range due to less restriction, pretty well eliminates surge because of the lower compressor speeds at 1800-2200 RPM, and keeps EGTs manageable.
This is a great upgrade for not a lot of money because of all of the advantages. The only real disadvantage is a somewhat perceptible increase in low boost spool up time.
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years.
Eight 7.3L PSDs in the driveway including a 1994 Crown Vic and 1973 F100/2002 F350. Looking for the next victim.
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Thu, December 24th, 2009, 09:59 AM
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