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-   -   Can't hear the turbo? (https://www.dieselbombers.com/6-9l-7-3l-performance/78192-cant-hear-turbo.html)

ALWAYSREADYROB 01-26-2012 09:26 PM

i hav the 94 idi factory turbo and with radio volume up just a little i cant hear mine but radio off it makes a whizing sound and you can hear it winding down when the excellorator is let off.

Spurrit 01-27-2012 07:46 AM

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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Originally Posted by chopperfixer (Post 790440)
Im completely content with 8lbs of boost, because I know how much money is involved in acquiring more boost. Is it possible to make your own down pipe? Lets sa
y outta flew pipe and a mig?

Well, someone made the ones at the store.......

"SmokinIDI" 02-04-2012 12:08 PM

i have a 94 did factory turbo also and i have the stock down pipe with 4" straight pipe and 6" dual stacks, with the back window open my turbo is pretty loud i guess but it sounds more like the wizzing sound but it does whistle quite a bit when decellerating.

ALWAYSREADYROB 02-06-2012 12:42 PM

Hey Smokin....with the 4' straight pipe, why a stock down pipe ?
I ask because next on my list is exhaust and Im not sure to go 3 or 4" back to a good muffler, do peole ever put headers on these 7.3 s and dual exhaust ?

DieselCrawler 02-16-2012 07:17 PM

yep. stans headers makes long tube headers for the NA version only. no headers for turbo engines.

muddyold7.3 02-17-2012 04:04 PM

do you hear it more with that downpipe?

zrider 10-13-2012 09:42 PM

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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