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Old 08-09-2022, 03:23 PM   #1
CorneliusRox
 
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2022 LP5 - Extremely Laggy

This truck is brand new and I can't believe how much throttle lag it seems to have.
Coming from a 2010 6.7 Cummins, even when it was stock it didn't have lag like this. Not even close.

Do these things (LP5's) have a break-in cal for the first 1,000 miles or something?

Anyways, it's unbearable for me. Has anyone had any experience with BD's throttle spoofer box? (https://us.bddiesel.com/products/ts-...31887672770629)
Is it work checking out?

Otherwise, what's the emissions-intact tuning of choice now days?

Thanks guys
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Old 08-09-2022, 03:56 PM   #2
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Buddy has the same complaint with his 2022.tows equipment daily and said he misses his bone stock 2001 24v nv5600 truck. I'm guessing it's torque management, advertised at 505hp but you only get 250 to the wheels
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Old 08-10-2022, 08:17 AM   #3
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Buddy has the same complaint with his 2022.tows equipment daily and said he misses his bone stock 2001 24v nv5600 truck. I'm guessing it's torque management, advertised at 505hp but you only get 250 to the wheels
No kidding. My 6.7 probably making 350-400hp at the wheels on a mild tune had way better drivability around town.
I was expecting this thing to be slightly faster in stock condition.

I'll let this thread sit here a few days before I start buying things.
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Old 08-10-2022, 09:40 AM   #4
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The cummins seem to have the break in period, but no idea on the duramax. I can't get excited about the throttle boosters. I've never used one but they just seem kind gay to me, I can just move my foot a little more for the same affect, maybe they work better than I think.

As for compliant tuning Calibrated Power seems to be the guys these days. You probably know it's expensive. If you do go this route, be extremely careful while pulling the connectors off of the ecm. Break a tab on the mounting port and the ecm is no good any more. Meaning HP tuners won't take it as a core. Also the connectors get brittle and pop apart when they get dirty. Yours being new more than likely won't have any problems
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Old 08-10-2022, 10:53 AM   #5
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I'd be leery of the throttle sensitivity boosters. You don't want the same thing the Smarty's do on 2nd gens by removing torque management but make throttle resolution poor and kill top end power.
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Old 08-10-2022, 08:18 PM   #6
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Brother in law has a throttle booster on his L5P and it helped.
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Old 08-11-2022, 07:28 AM   #7
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Well, I bought a booster because they're cheap and they could have it here next day. I've also always had good luck with BD products in the past, so hopefully this is another good experience.

Quote:
Originally Posted by regcanfan View Post
The cummins seem to have the break in period, but no idea on the duramax. I can't get excited about the throttle boosters. I've never used one but they just seem kind gay to me, I can just move my foot a little more for the same affect, maybe they work better than I think.

As for compliant tuning Calibrated Power seems to be the guys these days. You probably know it's expensive. If you do go this route, be extremely careful while pulling the connectors off of the ecm. Break a tab on the mounting port and the ecm is no good any more. Meaning HP tuners won't take it as a core. Also the connectors get brittle and pop apart when they get dirty. Yours being new more than likely won't have any problems
I agree with you. Boosters seem like just remapping throttle percentages vs pedal position. Hopefully there's a little more logic to it than that, but I've always thought they were goofy. I really want to leave this as stock as possible so it'd be nice to get something that piggybacks and doesn't flag anything in the ECM.

Thanks for the heads up on tuners. I'm usually pretty good at electronics and not breaking things while tearing into a truck, but I appreciate the heads up.

Quote:
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Brother in law has a throttle booster on his L5P and it helped.
Thanks for the info.
L5P** I'm dumb. A Dmax was the last thing I ever thought I'd look into or own, but I figure it was time to try one out.
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Old 08-11-2022, 09:46 AM   #8
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Quote:
Originally Posted by CorneliusRox View Post
A Dmax was the last thing I ever thought I'd look into or own, but I figure it was time to try one out.
Oops......
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Old 08-11-2022, 11:50 AM   #9
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Oops......
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Old 08-11-2022, 02:53 PM   #10
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The throttle booster definitely helps get rid of SOME dead pedal, and makes the rest of the throttle pedal feel more like my 2010 deleted Cummins with the H&SMiniMaxx on 'Street'. That I'm happy with.
The spool-up from a stop is still awful though.

They really should make 'tow mode' the 30,000lbs haul mode with slow input, and the make normal driving mode for just the weight of the 8,000lbs truck. I like that grandpa throttle and shifting when I'm towing, not for driving around town...

I'm going to give this a thousand miles or so before looking into tuning. It'd be nice to keep some warranty.
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Old 08-13-2022, 07:30 AM   #11
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Quote:
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Thanks for the info.
L5P** I'm dumb. A Dmax was the last thing I ever thought I'd look into or own, but I figure it was time to try one out.
We all make mistakes.
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Old 08-15-2022, 08:10 AM   #12
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Well, worst comes to worst, I'll swap back to a Cummins in a couple years or just tune it.

I did haul my 10k 5th wheel about 750 miles this weekend. It was a dream to tow with. The features on the truck, all the cameras, the power, all great. I personally would have tuned the suspension a little different (stiffer front sway bar, firmer shocks to make it more responsive), but it is really comfy and the cab is awesome (ergos and quiet).

For driving around town, the throttle booster helps a ton. It's really only stomping on it from a stand still that takes an eternity... I'm finding myself slightly boost launching from a stop sign to get into heavy traffic. I am pretty sure a tune would make this thing really fun to drive.




NEXT QUESTION: I'm seeing several tuning options using HP Tuners hardware/software/credits for ~$3000. I'm also seeing Edge Pulsar V3 for ~$1000. On this truck, I'm not planning on building the trans, larger turbo, bigger nozzles, etc... Just a family hauler/tow pig. Any thoughts on spending $1000 vs $3000 for a tune?
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Old 08-15-2022, 10:01 AM   #13
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I run the pulsar v3 on my 21 and I can say it’s definitely worth it. And you can adjust throttle sensitivity as well as tire size. Really woke it up.
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Old 08-15-2022, 12:26 PM   #14
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I can't imagine paying more than my first house for a new truck then being disappointed with the drive. I guess the old hazy pigs just got us all spoiled.
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Old 08-15-2022, 12:37 PM   #15
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I run the pulsar v3 on my 21 and I can say itís definitely worth it. And you can adjust throttle sensitivity as well as tire size. Really woke it up.
I'm probably going to go this route if I don't just get used to it. Thanks!

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I can't imagine paying more than my first house for a new truck then being disappointed with the drive. I guess the old hazy pigs just got us all spoiled.
Yeah, I think having fun trucks and cars in the past makes me more critical. Who knows, I might not be the demographic. People might want a very smooth, disconnected ride. If I could have this thing rev like my old 12V with some Haisley 5k springs, but still have all the creature comforts, I'd be happy as can be.
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Old 08-17-2022, 02:36 PM   #16
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Alright, I can’t take the literal scaling of the throttle pedal on this thing. It makes it a little too twitchy at low speeds (neighborhoods and maneuvering a heavy trailer). It also doesn’t help the lag from a stop at all. Looks like I have 30 days to return it, so it’s headed back to BD for a refund and I’m going to try the next step, that Pulsar V3. The Pulsar V3 being a piggyback device, I’m hoping it can still address the throttle lag/low speed torque maps.
Hopefully that’s it and I don’t have to go down the path of full tuning.
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Old 08-17-2022, 03:01 PM   #17
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I have zero complaints out of my pulsar, I normally drive on tune 3 and it’s made the truck a lot more fun to drive.
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Old 08-18-2022, 07:36 AM   #18
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I have zero complaints out of my pulsar, I normally drive on tune 3 and itís made the truck a lot more fun to drive.
I appreciate the feedback. It really does look like a slick device and what I'm looking for. Just some simple modes that are pretty well refined.

Have you towed much with it? Any trans temp worries or anything? Or is it just an OEM feeling truck with pre-common rail throttle response?
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Old 08-18-2022, 09:16 PM   #19
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I tow my fifth wheel about 15k lbs and have not noticed anything other than the passing lane is a lot easier to go down I had a tuned 17 superduty and a 19 cummins before this truck hands down the best towing truck I have personally owned and the pulsar v3 made it a lot better driving experience
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Old 08-19-2022, 08:08 AM   #20
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I tow my fifth wheel about 15k lbs and have not noticed anything other than the passing lane is a lot easier to go down I had a tuned 17 superduty and a 19 cummins before this truck hands down the best towing truck I have personally owned and the pulsar v3 made it a lot better driving experience
Awesome. I'm going to sleep better after this comment.

The truck is getting tint and underbody coating right now. Hopefully the Pulsar is here before the truck is done on Tuesday!
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