excessive smoke, tune issue? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 20 (permalink) Old 05-18-2006, 01:40 AM Thread Starter
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excessive smoke, tune issue?

i have an early 99 with a DP tuner, on the 100hp setting i dotn really get any smoke, if i smash it from a dead stop it will lag a little then hit and pull. on the 140 setting it does the same thing but smokes like crazy, still pulls way harder then the 100 setting. i was wondering if this is normal or if i have some kind of issue, my EGTs are 1300* goin down the 1/4m, i have a huge K&N cone filter, 22psi of boost, stock turbo back straight piped, air should be getting in and out ok, i did order a 3.5" downpipe ill see what that does when i put it in but i dont think it will do much for smoke. any input? truck ran 15.8 @ 83

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post #2 of 20 (permalink) Old 05-18-2006, 01:57 AM
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Your stock exhaust is killing you...Its smoking because there is more fuel and not enough boost... normal for a stock turbo...

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post #3 of 20 (permalink) Old 05-18-2006, 02:44 AM Thread Starter
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will the 3.5" downpipe i bought make a big difference then? the thing smokes almost all the way down the track its crazy!

2006 F350 XLT 4x4
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post #4 of 20 (permalink) Old 05-19-2006, 01:33 PM
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Get you a 4" from the turbo back. It will help with the smoke a little.
By the way......I don't know of too many trucks out there that don't smoke good when running something like a 140 or so tune.

Banks says that it is BAD for your truck to smoke.:blah: :blah:

I guess you've got a BAD truck!!!!:HappyMugs

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post #5 of 20 (permalink) Old 05-19-2006, 02:48 PM Thread Starter
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he he he, i got a 3.5" downpipe for now so i could keep the stock 3.5" cat back (cat has been deleted and so has the muff). on the highway with the 140 setting the first half throttle the truck pulls real strong but after that u can keep putting ur foot into it and doesnt go any better, just starts smokin and the EGTs start to sky rocket, not enough air?? i was thinking of running a nitrous kit so i can take full advantage of the 140 setting, what do u guys think? power gain??

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post #6 of 20 (permalink) Old 05-19-2006, 03:18 PM
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ive got an early 99 and only the 80 and 12 thinkin about adding a 140... my 120 smokes like a freight train... no lag issues tho did u get an updated ecm with it? but the 140 on a stock turbo WILLL smoke like crazy cuz stock turbos dont move nearly enough air to clear up my 120 let alone a 140 setting
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post #7 of 20 (permalink) Old 05-19-2006, 03:23 PM
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the nitrus will clear it up a little bit and the hp gains will prollly be somewhat significant.. if ur egts are going through the roof like that i would look into a snows water meth first and bring those intake charge temps down..check for a boost leak only 22lbs on a 140 setting aint right i hit 25 and i should be up over 30lbs but my boots have about had it.. you need to get a 4" turbo back.
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post #8 of 20 (permalink) Old 05-19-2006, 11:14 PM Thread Starter
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i put my 3.5" downpipe on, truck runs a lot better, a lot less lag = less smoke and more power. i think my problem was to small of a downpipe hehe had the stock one on there. i have a manual boost controller on my truck i try to keep the psi down below 24 because it sets off the SES light and i think it defuels when u get up to 24+, i could be wrong tho. definitly looking into the nitrous setup. with the 3.5" DP the EGTs climb a lot slower.

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post #9 of 20 (permalink) Old 05-21-2006, 01:55 PM
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get ahold of jody or itpdiesel.com and get a boost regulator and it will keep that ses light from coming on and defueling and u can start making real boost :evil: without defueling it is a worth while investment and unlike the other kinda boost foolers the itp reg just regulates the amount of boost goin to the map unlike the other kind that actually has valves that let boost pressure bleed off... what kinda manual boost controller u have?
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post #10 of 20 (permalink) Old 05-22-2006, 03:20 AM
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Could be the HPOP... The early 99's have a smaller one. that should set a code thou...

01 F-250 SC PSD,210k,16 Isspro Gauges, AFE-2,CCV Mod,IAH delete,map reg,Modded H2e, 6.0 IC, GTS Hybrid injectors, Studs, 910 Valve springs, Forged rods Water injection,Swamps tuned, MBRP 4" dual's, Aero, 6" tip's, 100 axl tank, 4" Revtek lift, 37-14.50-17 TOYO MT's 469hp and 1068tq...

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