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Stock and Modded Boost Numbers...
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Elder User
Joined: Sep 2008
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Stock and Modded Boost Numbers...
I had a local Ford mechanic that works at the dealership on 7.3L and 6.0L only tell me that stock boost for a 7.3L is 13-15psi and even chipped, intake and exhaust he has never seen above about 21psi. Does that sounds right? I was under the impression that stock was around 18-21psi and modded could be up to 25-27psi. What numbers on the 38R and Van turbo? Just a thought, thanks guys.
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Elder User
Joined: Sep 2008
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Thanks for the help Cris
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Elder User
Joined: Sep 2008
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Post Fiend
Joined: Dec 2002
Posts: 6,245
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From: IL, USA
Been around, still posting....although more so in the SD forum lately it seems.
And you'd be correct, just a regular member now.
Elder User
Joined: Oct 2007
Posts: 935
Likes: 1
From: Bowling Green, KY
That mechanic is freaken crazy i can hit between 31 and 33 with the wastegate unplugged and about 29 with the wastegate plugged in
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Posting Guru
Joined: Oct 2006
Posts: 1,078
Likes: 2
From: New London, Mo
if i really stand in mine it has a bigger turbo,a ts chip and 6637 mod and i can burry the guage on 40psi
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Post Fiend
Joined: Apr 2007
Posts: 7,241
Likes: 1
From: Powder Springs, East TN
There is no way on stock sticks plain TS chip and a Garrett turbo need to check your boost gauge.
I see 25 on mine but I haven't really payed attention when I am WOT.
I see 25 on mine but I haven't really payed attention when I am WOT.
Retired guy fixn stuff
Joined: Mar 2009
Posts: 3,220
Likes: 1,230
From: East TN
They guy is nuts, with the exception if you don't have a boost fooler device ?
In stock form if the MAP sees anything more than 17psi, it drops boost and sets overboost SES.
With a regulator or something, you will get more. I get over 20# with no issue. Towing up a grade, I can easily get over 30#
ZooDad
In stock form if the MAP sees anything more than 17psi, it drops boost and sets overboost SES.
With a regulator or something, you will get more. I get over 20# with no issue. Towing up a grade, I can easily get over 30#
ZooDad
Hook it, I'll pull it.
Joined: May 2007
Posts: 15,037
Likes: 4
From: Grand Lake, La.
I was getting 30+, stock turbo and sticks. With DP-TUNER of course. Now with the TN BB and SS Stage II's, the last time I looked I was at 33#, I think I can do 35#. I watch the egt gauge more.
Posting Guru
Joined: Oct 2006
Posts: 1,078
Likes: 2
From: New London, Mo
unless my guage is wrong or something it will go all the way to 40. i do now know what all has been done to the motor all i know is it has a garrett ball bearing turbo boost anhilator and a ts chip.
Hook it, I'll pull it.
Joined: May 2007
Posts: 15,037
Likes: 4
From: Grand Lake, La.
What kind of boost do you show going down the highway?
Posting Guru
Joined: Feb 2009
Posts: 1,325
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From: Blaine, TN
I've only got a wicked wheel in my stock turbo, with the water meth it'll hit 32-33# but I wont let it go higher with the meth b/c I havent done headstuds yet and I dont want to take a chance. And I leave the WG line on for the same reason
1/8 mile Oval Track
Joined: Dec 2007
Posts: 1,300
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From: Newport,Tennessee
The most Ive hit is 28 on mine