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I'd rig something up to force the wastegate to stay closed and try a run.
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your wastegate is blowing open too soon. if you already have the bleed screw in all the way then I would talk to however you got hte turbo from. you can pressuize the wastegate, but
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Welcome To Mopar1973Man.Com LLC
We are privately owned, with access to a professional Diesel Mechanic, who can provide additional support for Dodge Ram Cummins Diesel vehicles. Many detailed information is FREE and available to read. However, in order to interact directly with our Diesel Mechanic, Michael, by phone, via zoom, or as the web-based option, Subscription Plans are offered that will enable these and other features. Go to the Subscription Page and Select a desired plan. At any time you wish to cancel the Subscription, click Subscription Page, select the 'Cancel' button, and it will be canceled. For your convenience, all subscriptions are on auto-renewal.
Long Time lurker on this site, and a big thank you- I have learned a whole lot. I am sure you get a lot of these Please Help posts, but here goes (at least I did pay for like 5 quad tunes- haha)
I have a 01 Laramie 2500 longbed 4x4. 2" leveled on 35"s- 3.54 dana 70/60- I know, tall gearing. 215k on the odo. ATS stage 2 built 47re trans. FASS 95, BD gauge pillar with trans, boost, egt (rear of exhaust manifold tapped)
I also recently have gotten into some performance mods- 150 dap vco's, BW s362sxe 68cm housing, 4" turbo back exhaust, also ARP headstuds before any of the previous. Also installed the Quadzilla Adrenaline with v2 and wifi iquad
I am new to tuning, and honestly a wannabe mechanic at best (physician in my other life). But this truck I absolutely love (was my fathers before he passed away) and I am pretty attached to it.
The truck has been awesome, has no blow by, no boost leaks (checked with 15psi on the turbo endcap). No leaks, and all cylinders within compression spec
Recently acquired a pretty heavy toy hauler (11K) and I live in CO and haul it around here (so a decent amount of mt passes)- towing this thing safely around is my main goal of tuning/ that and efficiency and lack of heavy smoke
Here is my issue- being new to quadzilla and tuning in general- (can't even figure out how to download base tune). But I was able to purchase and download tunes off this site and that this is what I have been working off. Running me's high altitude tow tune, and moparman's efficiency tune. I am building boost much better than my hy35 and spooling at about the same rpm (13-1400) but I am really only getting to 25 or so by 2200rpm when I floor it to get on the freeway- get out of it when I get to about 70mph. The other problem though is that my EGT's are pretty high I think. I am 8-1000 just running around town with any pedal, and can easily get to 1200 with much more pedal. When getting on the freeway- with hard acceleration they shoot to 1250-1350 until the boost brings them back down 1150 or so. when cruising on hwy at 70 in OD boost is like 1-2 and egts 8-900 on flats. This is all on levels 2 or 3. I have some smoke off acceleration with me's tune, and just a tiny puff with the effieciency tune.
I know my gearing ratio is not helping, and I plan to maybe swap to 4.10's, I just got a new set of Toyo Mt's and don't really want to change tire size- it looks great and "right" on the truck.
My questions are how I can potentially change a few parameters on the adrenaline to help out with boost and or getting egts down. Or if you think I need to look at something else on the truck. Like I stated, I have done multiple boost leak tests and actually had to tighten a couple intercooler boots, and even had to re-gasket the grid heater to intake horn as it was leaking a bit as well. But now I have no leaks. I have not towed the toy hauler yet since these mods- but compared to stock (where I needed more hp to get up steep grades faster than 15-20mph) and was also running into egt issues. Oh and overheated once due to stuck thermostat- tstat has been changed out with cummins, have also flushed radiator, took out and cleaned, relocated breather tube, and replaced clutch fan.
Feel free to pm or post to this diatribe, but just looking for some guidance from dudes much more knowledgeable than myself. Much appreciation