Jump to content

diablo i2


Hunko

Recommended Posts

Posted

i have a 2015 silverado 4.3l. i bought it brand new and recently put a intake and exhaust on it. put in 93 octane ever since first fill up. got my diablo i2 in today so i went to install it. pressed on the easy tune and the only thing i could access is the 87 octane tune. the 91 and 93 octane options where locked i could not press on them. so i clicked on the 87, stock wheel size and removed the speed limiter and smooth shift. went for a drive and could not feel the difference in anything maybe even a decrease in power it felt like. can anyone share or give me advice on how to correctly tune my truck. thank you

Posted

I had to do mine twice. The first attempt the screen locked up. You should also see the "flex" tune? That's for performance. You can also select different parameters afterwards. After that it shows status and building the tune and installing.

Posted

I had to do mine twice. The first attempt the screen locked up. You should also see the "flex" tune? That's for performance. You can also select different parameters afterwards. After that it shows status and building the tune and installing.

 

 

i do not see any flex tunes. i messed around with the advanced tune section but got no where. froze on me a couple of times too which i found really weird. do you drive with the tuner on and plug in? i unplugged mine when i took it for the test drive. i am reading about a custom tune for 150$ from diablew anyone have this?

Posted

Hunko,

Did you look for updates prior to using? Don't know if that will help. Yea, mine frooze up too. Under "advanced tune" then select "standard tune" is where the flex tune should be. You let the tuner walk through the tuning process, it will show you % of progress while Installing then it will indicate when it is complete. You can unplug once complete.

Posted

Hunko,

Did you look for updates prior to using? Don't know if that will help. Yea, mine frooze up too. Under "advanced tune" then select "standard tune" is where the flex tune should be. You let the tuner walk through the tuning process, it will show you % of progress while Installing then it will indicate when it is complete. You can unplug once complete.

 

 

 

ya i made sure i updated it but its still not letting me do a lot of things and is still acting up. i am going to get a custom tune from diablew next week and see if that works better. might even pick up at catch can too

Archived

This topic is now archived and is closed to further replies.

  • Latest Articles

  • Posts

    • I like the idea.  I would pick diesel if I had a choice. I need pictures though.
    • I've installed cheap eBay new aftermarket digitizers before.  They work.  Did a bunch of Cadillac CUE (aka Cadillac's MyLink) for someone years ago.  They all worked fine after the repair.    That number 22740886, that is a component part # for GM.  You can use it to search, but its not something that's obtainable at the dealer level.     So pretty much any of these will work - 2015 Colorado Digitizer for sale | eBay
    • Black bumper and the later years Z-71 style color matched grille.
    • You can install tailpipes that direct the exhaust sideways vs the OEM one that goes straight back. There are several on the market, do you own research. HOWEVER, you need to make sure the Venturi vents are still intact, otherwise it will throw a engine code. There is a sensor somewhere that detects back pressure on the exhaust. And if it doesn't collect the correct metrics, it will throw the truck into limp mode. 
    • "Teardown" is complete. Head surfaces are clean and ready, new intake is prepped and ready. Coolant drained and water pump is removed, radiator is removed, new hoses and pump are ready.   The replacement intake is also from a '95 (with I think 260k, the odometer said). Noticeably less pitting where it covers the rear coolant passages. I'm not sure if that's a tribute to more frequent use, more frequent coolant changes/upkeep, or if the intake was machined at some point. But it appears I found a good one.   My coolant hoses were original, and the lower hose still retained the factory spring inside. It's not really rusty, but it's got deposits all over it. Unsure if I should re-install it (will thoroughly clean it first). Someone said hose technology has gotten better since 1995 (has it?) and I don't need the spring. I think modern EPDM is what made those hoses last from 1995-2026, so it's a question of how much suction can the water pump really pull, and will it collapse the hose without a spring?   I'm stopped and waiting for parts, however.   When I first brought the truck home, the fan was intermittently hitting the radiator shroud. I could see someone had monkeyed with the shroud (put a bunch of cardboard as a spacer between the upper/lower shroud halves. Someone said the motor mounts have likely failed and the engine has sagged. I wasn't sure I believed that. The engine is really solid in its mounts: To remove the old intake I *just* nearly permanently welded to the heads with freshly cured RTV and gasket snot two weeks ago, I literally had to use the arms on my lift and a chain with a bolt attached to the intake to pull it loose. It almost picked the front of the truck off the ground before ....scuuuuuuuuuuup.... I could actually hear the gaskets tearing and it broke loose and the whole truck settled back down. Motor barely moved.   SO, those parts I'm waiting on... The lower radiator mounts/bushings had completely failed. The radiator needs to be insulated from the rad support, and the bushings help the rad stand at the correct height. The plastic "baffle" was also destroyed at some point. Someone had attached the shroud to it incorrectly, overlapping a joint that should have been underlapped, creating another suspect issue potentially causing things to hit the fan. Broken tabs, side is busted off, and it's perma-formed/bent where it was jimmied incorrectly.   The baffle? Unobtainum. Long since discontinued from GM, of course. Aftermarket/capa/chinese? Also unobtanium. In GM's infinite wisdom, it appears there are at least two different variations whether the Blazer is 2 or 4 door, and I can't yet tell if they shared the same part with the S-pickups. Plan B, if I can't find a viable used one, will be to create a bracket to re-assemble the critical joint I need to seal a gap with the shroud. But that will bug me, it won't be...perfect.   The water pump bolts appear to have been installed with...plumber's putty. I guess, sure, if it works...? I've found a few "backyard fixes" like that. Someone's been here before....   If I can't find someone to jam bamboo under my fingernails to fill my free time this week I think I'll install the driver's power window motor and replace the rear door speaker that's inop. I've got a genuine GM "9.5" ohm working replacement. Why GM used a non-standard resistance....nevermind. Of course they did, you can get more sound from a cheap factory amp that way.   And the saga goes on...
  • GM-Trucks.com Clubs

  • Popular Contributors

×
×
  • Create New...