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| Transmission Shop Discuss the Allison OEM, aftermarket, and the ZF-6. |
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02-16-2012, 04:11 PM
| eBay Motors #1 (permalink) |
| Duramax Lifetime Supporter   Join Date: Feb 2010 Location: Southern Maine
Posts: 1,359
| Lousy EFI tuning= bad shifting Just like the topic says. Could lousy EFI tuning cause erratic/ lousy shifting? It especially shifts very erratic at lower speeds. (in town driving) it does hiccup some when I boot it in the ass at higher speeds. This all seemed to happen right after I got some new tunes a few months ago.
__________________ 2003 CCSB 4x4 EFI Tuned by ATP -PPE Stage 4 -Silverline 4" Exhaust -MBRP Downpipe -PPE Boost Valve -CAI -Ported Intake Horn -Ready Lift Leveling Kit -Autometer Boost & Pyro -Airdog II 165  |
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02-16-2012, 05:34 PM
| eBay Motors #2 (permalink) |
| Duramax Lifetime Supporter Join Date: Feb 2010 Location: Southern Maine
Posts: 1,359
| Anyone?
__________________ 2003 CCSB 4x4 EFI Tuned by ATP -PPE Stage 4 -Silverline 4" Exhaust -MBRP Downpipe -PPE Boost Valve -CAI -Ported Intake Horn -Ready Lift Leveling Kit -Autometer Boost & Pyro -Airdog II 165 |
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02-16-2012, 05:36 PM
| eBay Motors #3 (permalink) |
| Junior Member Join Date: Feb 2012 Location: Houston, TX
Posts: 36
| Contact your tuner? |
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02-16-2012, 05:37 PM
| eBay Motors #4 (permalink) |
| DuramaxForum Veteran  Join Date: Aug 2010 Location: Woodinville, WA
Posts: 1,420
| Who tuned it? Sent from my phone
__________________ 2003 LB7 ECSB: Performance: EFIlive from DuramaxTuner.com, DSP through Edge CTS, Alligator Stage V Trans, PPE Tranny cooler, AD 165, Cognito Traction Bars, Alligator sleeves, PPE Boost valve, AFE intake, 7" stack Misc. stuff: Towing Mirrors, 6" Fabtech lift, Resonator plugged HID's high/low/fogs all on, 35% front windshield tint, 5% sides, Debadged, Line of Fire LED strip, LED interior swap, Pioneer touch screen, Pioneer Premier shallow 12" sub & Amp |
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02-16-2012, 05:38 PM
| eBay Motors #5 (permalink) |
| Duramax Lifetime Supporter Join Date: Feb 2010 Location: Southern Maine
Posts: 1,359
| A local guy did... yeah it was a bad idea looking back on it now, thats why I have tunes being built by Idaho Rob right now.... But could bad tuning cause shifting issues?
__________________ 2003 CCSB 4x4 EFI Tuned by ATP -PPE Stage 4 -Silverline 4" Exhaust -MBRP Downpipe -PPE Boost Valve -CAI -Ported Intake Horn -Ready Lift Leveling Kit -Autometer Boost & Pyro -Airdog II 165 |
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02-16-2012, 05:42 PM
| eBay Motors #6 (permalink) |
| DuramaxForum Veteran  Join Date: Feb 2011 Location: Granbury, Tx.
Posts: 1,570
| I'm sure it could. Sent from my Autoguide iPhone app
__________________ 05 lly, bills 5" intake with lbz mouthpiece, ppe manifolds up pipes, 6"rcd custom lift, three inch drop shackles, torsion bolts outs, nitto 420's 305/50/20, ppe tie rod sleeves, airdog II 165 lift pump, egr delete, pcv reroute, 4" turbo back straight pipe, stage 5 tranny from alligator performance ,68 mm turbo from Danville, arp head studs, efilive |
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02-16-2012, 05:54 PM
| eBay Motors #7 (permalink) |
| Duramax Lifetime Supporter Join Date: Feb 2010 Location: Southern Maine
Posts: 1,359
| Hmmmm, Im hoping thats all it is is bad tuning. I'm sure if it is, when I get my new tunes from ATP, it will shift better. If not, I'm not gonna be too happy if I have transmission issues already with 5000 miles on the rebuild.
__________________ 2003 CCSB 4x4 EFI Tuned by ATP -PPE Stage 4 -Silverline 4" Exhaust -MBRP Downpipe -PPE Boost Valve -CAI -Ported Intake Horn -Ready Lift Leveling Kit -Autometer Boost & Pyro -Airdog II 165 |
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02-16-2012, 06:00 PM
| eBay Motors #8 (permalink) |
| EFI'd and lovin it   Join Date: Jan 2008 Location: Roswell, NM
Posts: 9,142
| It is bad tuning. I played with mine a little here and there and a couple tunes I screwed with the wrong stuff. It made my transmission very unhappy.
__________________  06 2500 CREW CAB 4X4 LBZ LOONNGGGGG BED EXHAUST,EFI LIVE,DSP5,TPTUNED BY KORY WILLIS,S&B COLD AIR INTAKE AUTOMETER GAUGES, TRANSGO JR, BLOCKED, TIE ROD SLEEVES... WORK RIG O7.5 3500 CREW,DUALLY, LMM, ROYAL UTILITY BED...STOCK......ISH This is not only your forum you have to share it with over 80,000 others |
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02-16-2012, 06:03 PM
| eBay Motors #9 (permalink) |
| Duramax Lifetime Supporter Join Date: Feb 2010 Location: Southern Maine
Posts: 1,359
| Well, if you're right, which I hope, and assume you are, having been through it, then that is good news. Thanks
__________________ 2003 CCSB 4x4 EFI Tuned by ATP -PPE Stage 4 -Silverline 4" Exhaust -MBRP Downpipe -PPE Boost Valve -CAI -Ported Intake Horn -Ready Lift Leveling Kit -Autometer Boost & Pyro -Airdog II 165 |
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02-16-2012, 06:09 PM
| eBay Motors #10 (permalink) |
| DuramaxForum Enthusiast  Join Date: Nov 2010 Location: across the street
Posts: 3,609
| probably has a crazy % defuel tuned in and its makes it shift like chit
__________________ CCSB LB7 4x4 |
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