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Thread: Diablo Predator Question
07-14-2009, 11:03 PM #1
Diablo Predator Question
Just got my Diablo programmer in today. I'm planning on hooking it up tomorrow and testing it out. However, reading the little booklet that came with it it says that it recommends to pull a few fuses before pulging it in. I don't remember what they all were, radio was one I believe. Is this really necessary? Sounds like a hassle more than anything, but I mean if it could actually mess some thing up then I'll pull em out. What are some of the opinions of the Diablo users out there?MY LUG NUTS REQUIRE MORE TORQUE THAN YOUR RICER MAKES! :sign0011:
2004 Silverado 2500 "Judas"
Crew Cab and Short Bed
True Dual Exhaust: Hooker MaxFlow Mufflers and X-Pipe
Drop-In K&N Air Filter
Alpine Stereo System: iDA-x303 Deck, SPS-600 Front and Rear Speakers, KTP-445 Amplifier
Future Upgrades Include:
Cosmetic/Other: Spray-In Bed Liner, HID head lights, Leveling Kit
Performance: Underdrive Pulleys
07-15-2009, 06:55 AM #2
There's a good reason why you are instructed to remove fuses. The programmer is not smart enough to deal with those circuits. Leaving the fuses in will cause false codes to set during programming. Do yourself a favor and follow the instructions. The first question the Diablo help line will ask you is which fuses did you remove.Jim
2004 SILVERADO 2500HD LS
Pro Comp Leveling Kit
285-75-16 Cooper ST All Terrains
Pro Comp Programmer
Linux Bed Liner
1967 Landcruiser <350 Chevy>
1990 Geo Metro Convertible
2007 FJ Cruiser
07-15-2009, 08:03 AM #3
Understandable. After reading your reply i went straight out and installed the 87 octane tune since I just got a full tank yesterday of 87 octane. I'll see how it does throughout the day and stuff. Next fill up I'll try out the performance tune. Looking forward to using it!
07-15-2009, 08:17 AM #4
07-15-2009, 10:00 AM #5
Yeah please do post your results. Im thinking of getting a diablo programmer and i'm curious of your MPG and power gains2000 Chevy Silverado 1500 5.3L Z71 - 4x4
07-15-2009, 01:11 PM #6
Well so far today I've drove about 50 to 60 miles and reset the Average Economy reading on my truck (before I started it and was still in the drive way). I was getting about 12.1 MPG city and right now I'm at 13.3 MPG city. We will see over the next few days if that continues to rise or lower however.
The improvement in shifting firmness was very nice! The truck definitely has some more get up and go when I lay into it, even at high speeds. And I noticed right away the changed infamous 1-2 shift that everyone talks about. Definitely much nicer and useful shift now lol.
I will keep yall posted as the week progresses. Tomorrow I will be leaving for a 110 mile highway trip so I will have to let yall know the results from that when I get back on Friday.
07-18-2009, 03:33 AM #7
Ok. Here's another update for those interested. Just got back from my trip. 110 miles on thursday (first 30 were city, rest were highway averaging at about 70mph) - the average MPG was 15.7MPG. Today on the way back, same roads, same distance, heavier traffic (highway averaging about 65mph) - 15.0MPG. I was at about 15.8MPg until i got back around the city area. That just killed it because it was so damn busy and I caught just about every light. So it dropped down to 15MPG averaging out the total trip.
Overall tho, I am impressed. I mean I didn't get a truck for fuel economy, but its nice to know that its decent economy for a truck of its size.
07-18-2009, 08:54 AM #8
The numbers look good! I have been considering getting a diablo, but have a question since you own one. I am running 35 inch tires and I am swapping my gears next week. Will the diablo adjust the speedo for the larger tire size as well as swap the gear ratio size. Also, will it allow you to save your factory settings in case I ever need to take the truck in to the Chevy dealer?
Bobby - North Carolina
2008 4x4 5.3L V8
6" Suspension Lift and 1.5" Body Lift
20x9 Ballistic Jesters w/35" Toyo Open Country MT's & 1.5" rear wheel spacers
4:56 Yukon Gears
Hypertech Speedometer Calibrator
Baja style bed mount spare tire carrier
Flowmaster 40 series dual exhaust
Recon Smoked LED tails/3rd brake lights/black projectors w/switchback LED's in the corners
N-Fab Nerf Steps
No Fear Pedals
Tint, Line-X bedliner, Window visors, Rear wheel well liners
Painted front grill, bow ties and door badges, de-"lettered" tailgate
Powder coated front and rear bumpers
07-18-2009, 09:47 AM #9
- Join Date
- Jul 2009
One reason for the removal of the fuse is for the Onstar, so you won't be contacting Onstar telling them there is a problem with your truck when there really isn't a problem.-Devin
Late Model GM Tuner/Owner Whiplash Intense Performance
If intense Performance looks is what you are looking for, then we have what you need to give you IntenseWhiplash.com
Website is under construction, PM us with any parts inquires.
07-18-2009, 05:01 PM #10
I can try and check it out a bit more the next few days and I'll let you know if I can confirm the speedometer changing.
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