SRL+ Shifting

Jonathan · Jan 25, 2013

Looking at purchasing the SRL+ from Gearhead for my 05 I just bought. My biggest complaint with the truck is that when I'm in OD and I let off the throttle it unlocks the converter. My Duramax stays locked all the time above 47mph and I like the connected feel. Is it just my truck? Tow Haul doesn't seem to change anything. Will the SRL+ tune act any different? Thanks

fordfreak4life · Jan 25, 2013

Jonathan said:
Looking at purchasing the SRL+ from Gearhead for my 05 I just bought. My biggest complaint with the truck is that when I'm in OD and I let off the throttle it unlocks the converter. My Duramax stays locked all the time above 47mph and I like the connected feel. Is it just my truck? Tow Haul doesn't seem to change anything. Will the SRL+ tune act any different? Thanks

It will only unlock to shift and if u hit the brake I believe, I love my srl+ tune

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BlueWaffle · Jan 25, 2013

you can ask him to tweak your tune/shifting to pretty much anything you want. benefit of custom tuning

2wd-fire · Jan 25, 2013

Jonathan said:
Looking at purchasing the SRL+ from Gearhead for my 05 I just bought. My biggest complaint with the truck is that when I'm in OD and I let off the throttle it unlocks the converter. My Duramax stays locked all the time above 47mph and I like the connected feel. Is it just my truck? Tow Haul doesn't seem to change anything. Will the SRL+ tune act any different? Thanks

every srl i have stays locked after 45 mph until i hit the brakes

bboteler · Jan 25, 2013

custom tuning, any reputable tuner here can adjust the tc lock ups

Jonathan · Jan 25, 2013

It sounds like my truck thinks the brake is being applied. Where would I start looking to figure this out, brake booster?

3brorce · Jan 25, 2013

No, get a custom tune and it wont unlock unless you have some other reason. Your truck is not really seeing thinking the brake is applied. All my custom tunes stayed locked after 45mph. Once I got below 45 or hit the brake it would unlock. Would stay locked if I rolled into it as well.

chappy · Jan 27, 2013

Yeh mine don't unlock untill I slow down to much or make it downshift my giving her the go pedal. Love my srl+ tune. Great for dailey driving except in the winter time. Gotta go back to stock then as even the 4wheel drive s useless wth the tune. My favorie thing about the srl+ is it downshifts and isnt afraid to. A lot of tunes want to hold the gear no matter what and this might result in pouring black smoke and high egts. I think it would be better with other tunes with a stock turbo but this pmax doesn't like to be lugged. With matts tune it isn't.

3brorce · Jan 27, 2013

I am the opposite in terms of lugging. I know strokers make more power when they are not lugged but I hate when it downshifts. Just like when I was in a 40mph speed limit zone it would downshift. I dont know what it is but I would rather have it lug with tq converter locked. I dont know maybe I am around Cummins trucks too much.

chappy · Jan 28, 2013

3brorce said:
I am the opposite in terms of lugging. I know strokers make more power when they are not lugged but I hate when it downshifts. Just like when I was in a 40mph speed limit zone it would downshift. I dont know what it is but I would rather have it lug with tq converter locked. I dont know maybe I am around Cummins trucks too much.

My 7.3 I loved it to lug as well but with this 6.0,I don't.Just ain't got the low end.