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Old 01-26-2018, 02:13 PM   #1
lightsOUT
 
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2018 w/ just trans tunining

Iíll be taking delivery of my new 2018 Mega with a 68rfe. Iím hope I like it because I hear tons of horror stories. Itís hard to walk away from my stick shift diesels but Iím just getting tired of shifting.

I hear how so many people like their 68rfeís better once theyíre turned. This is always in conjunction with engine tuning. My question is, is it possible to tune just the trans all while leaving the engine stock?
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Old 01-26-2018, 02:51 PM   #2
Mudn_1
 
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Not without unlocking the ecm. you could essentially flash a stock engine file in. But the CME Platform is a single controller for Engine and trans.
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Old 01-26-2018, 09:27 PM   #3
bigstacks95
 
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Either way you're voiding warranty. Might as well delete it.... EZ Lynk is the latest and greatest and is awesome!
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Old 01-27-2018, 12:01 AM   #4
blackmega3500
 
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Could just old school sonnax line pressure booster unit.
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Old 01-27-2018, 06:57 AM   #5
pushlar84
 
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U can do emission on tuning with trans
I never recommend it, but u could do a low power tune
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Old 01-27-2018, 10:03 AM   #6
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For people where emissions testing is bi-annual or even annual (some counties in California) there is good reason to just leave emissions intact. Especially with how good def/dpf trucks are doing with mpg & power lately. Emissions friendly tuning is only inevitable
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Old 01-27-2018, 10:04 AM   #7
blackmega3500
 
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Still voids warranty!
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07.5 6.7l Mega-longbed conversion dually with 22.5s
EFI by ATP in Idaho, s364.5sxe/FI ETR s488 with V2 cover, s&s 135% overs, Hamilton springs/ pushrods and 188/220, suncoast Comp68 getting it all to the ground.

2014 BMW X6 ///M factory 560hp twin turbo AWD
 
Old 02-09-2018, 10:24 AM   #8
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I'm at 90k on my '13 and the warranty did come in handy to replace the VGT 5k miles ago. Dealer said out of warranty would have been $5200. However, the only CELs other than that have been emissions issues.

It's getting emissions present tuning next month.
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Old 02-09-2018, 11:01 AM   #9
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Quote:
Originally Posted by Cacciatore View Post
I'm at 90k on my '13 and the warranty did come in handy to replace the VGT 5k miles ago. Dealer said out of warranty would have been $5200. However, the only CELs other than that have been emissions issues.

It's getting emissions present tuning next month.
And that is a ridiculous price to replace a turbo.
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Old 02-09-2018, 11:12 AM   #10
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Quote:
Originally Posted by Cacciatore View Post
I'm at 90k on my '13 and the warranty did come in handy to replace the VGT 5k miles ago. Dealer said out of warranty would have been $5200. However, the only CELs other than that have been emissions issues.

It's getting emissions present tuning next month.
Quote:
Originally Posted by Tobin View Post
And that is a ridiculous price to replace a turbo.
Hahaha yup, last one I did was $2500 for parts, labor, and egr delete install.
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Old 02-12-2018, 11:16 AM   #11
RD TRCTR
 
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Quote:
Originally Posted by lightsOUT View Post
Iíll be taking delivery of my new 2018 Mega with a 68rfe. Iím hope I like it because I hear tons of horror stories. Itís hard to walk away from my stick shift diesels but Iím just getting tired of shifting.

I hear how so many people like their 68rfeís better once theyíre turned. This is always in conjunction with engine tuning. My question is, is it possible to tune just the trans all while leaving the engine stock?
Yes, use a stock engine calibration with a modified trans cal. You're best off to use a BD 68 Protect kit to do any trans tuning. Using their kit will permit increased line pressure. A basic 68 tune is to bump the line pressure and leave the LR sprag engaged during the 1-2 shift.
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Old 02-12-2018, 11:24 AM   #12
blackmega3500
 
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Originally Posted by bigstacks95 View Post
Hahaha yup, last one I did was $2500 for parts, labor, and egr delete install.
That's not much better especially when you can get good cores for 400!
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07.5 6.7l Mega-longbed conversion dually with 22.5s
EFI by ATP in Idaho, s364.5sxe/FI ETR s488 with V2 cover, s&s 135% overs, Hamilton springs/ pushrods and 188/220, suncoast Comp68 getting it all to the ground.

2014 BMW X6 ///M factory 560hp twin turbo AWD
 
Old 02-12-2018, 11:54 AM   #13
bigstacks95
 
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That's not much better especially when you can get good cores for 400!
For a brand new OEM turbo I thought I was doing pretty decent
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