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Old 04-04-2010, 04:05 PM
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Excessive Black Smoke

I just installed my dp-tuner chip with the 40hp tow, 80hp economy, and 120hp settings and it smokes like crazy even at half throttle or less. I have a 96 OBS with 3" downpipe, 4" straight pipe, afe 4" filter, 6.0l intercooler, Beans stage 1 160cc injectors and the chip. Before I installed the chip the pickup wouldn't smoke at all even with the injectors and now it seems a little excessive to me (half throttle can make the car behind me dissapear even on 40 tow). I was doing some research and saw that clogged intakes and leaky intercooler pipes could cause excessive smoke. So I cleaned my intake, checked out my turbo and smoke tested my intake system and found nothing wrong. I was wondering if anyone had any other ideas? Should I have my intake system pressure tested? Thanks, Jon
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Old 04-04-2010, 05:37 PM
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What for boost numbers do you see?
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Old 04-04-2010, 07:20 PM
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Quote:
Originally Posted by aaklingler View Post
What for boost numbers do you see?
Ever since I did the intercooler I have had bad turbo lag but its much better with the chip but at 2200rpm im a bout 10psi up to 27psi at around 3000rpm
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Old 04-04-2010, 07:38 PM
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10 seems low for 2200 rpm
Yea I'd pressure test it to see if there is a leak. What kinda EGTs do you see

Last edited by jesilvas; 04-05-2010 at 05:31 AM.
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Old 04-04-2010, 10:13 PM
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Quote:
Originally Posted by jesilvas View Post
10 seems love for 2200 rpm
Yea I'd pressure test it to see if there is a leak. What kinda EGTs do you see
The little bit I have been able to open it up I have not hit more than 1100 degrees
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Old 04-05-2010, 05:32 AM
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Where is the EGT probe at? DP or manifold?
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Old 04-05-2010, 08:37 PM
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well u wouldnt have gotten any smoke or power out of stage ones without a chip, since the chip is what makes stage ones give power and smoke, ur turbo might be bad
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Old 04-08-2010, 11:26 PM
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Talked to a local diesel shop and they agreed with me that I was getting to much fuel on top end talked to DP today and they are going to fix it for me.
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Old 04-09-2010, 09:53 AM
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to much fuel???? why dont you leave it alone and then try to make your truck burn it all! maybe throw a lil propane on that bad boy
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Old 04-09-2010, 10:19 AM
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Quote:
Originally Posted by jmcgillkx99 View Post
Talked to a local diesel shop and they agreed with me that I was getting to much fuel on top end talked to DP today and they are going to fix it for me.
DP is closed on Fridays...
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