Can't hear the turbo?
#11
#12
I have the '88 7.3/Banks turbo. I can just barely hear the turbo if the airbox is off and I'm looking at it and I listen real close!
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Well, someone made the ones at the store.......
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Well, someone made the ones at the store.......
Last edited by Spurrit; 01-27-2012 at 07:46 AM. Reason: Automerged Doublepost
#13
#14
#17
Can't here the turbo
The downpipe is the answer. The stocker is too restrictive to spin it up. That is why there is only a 5 hp increase from NA 7.3 to factory turbo. I fitted on a 3" Dp and 4" straight pipe kit out the back for a PowerStroke. Works great. Added very nice power and I can actually here the turbo now. Mind you it is not the same as the bigger aftermarket model turbo's, but I would guess an increase of at least 20hp and 50lbs torque. Increased towing speed over mountain pass from 40 (foot to floor) to 65 (~ 1/2 to 3/4 peddle.). Horse trailer loaded with two horses and gear is about 7500lbs. with another 500 in truck.
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