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Superchips Flashpaq

03Badboyztoy

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03Badboyztoy Enthusiast

03Badboyztoy

Posted
Posted

I bought a Superchips Flashpaq tuner for my 03 Sierra, 5.3L, about 2 weeks ago now. I think it was definately worth the money. I noticed a big difference in performance. I hear alot of stuff about the Waitforme tuners and the westers, or something like that. But, I bought that, and was amazed with the difference. The guy told me that it was new upgraded model. But, I had no idea how new it was until I signed in today, and the homepage said that hopefully they will have one in their hands sometime soon. Well, I've had mine installed for a couple weeks now, and I am please as pig in s**t with it. :gmc:

CHUCK97 Enthusiast

CHUCK97

Posted
Posted

I,m thinking about getting one as well. I've got an 06 4x4 w/ 3.42 and a 5.3, and looking for some more pep. It seems like a dog from a stop. Still debating between Superchips and Diablo. I think you can remove some TM with the diablo

Green_Monster Enthusiast

Green_Monster

Posted
Posted

The 3.42 is what makes it feel like a dog off the line. I don't know much about Diablo but Superchips removes about 75% of the TM (according to Superchips Flashpaq forum). Remember that TM applies to shifting, and doesn't have anything to do with launch. You won't roast the tires with superchips. I can't spin them much and I have a 4.10.

 

I like SC because it gives me the flexibility to tune as I need it. Such as this winter I will be taking off the Performance tune and going to 87 octane. I don't need all that performance with slick roads. The main difference you will notice is how the trans is run. You can make it feel as if it has a shift kit. :gmc:

03Badboyztoy Enthusiast

03Badboyztoy

Posted
  • Author
Posted

I've got the 3.73 gears in mine. I can spin the tires without even thinkin about it. It's sucks when you gotta buy new tires though. About the only way you will get rid of the lag off the start is to be higher ration gears in. Or do alot of upgrades to the motor. THe Superchips def. does help off the line though, like GreenMonster said. A big diff. with being able to burn the tires, is whether or not you have a posi rear. If you do have a posi rear, you can smoke the tires like crazy. But, unfortunately I have limited slip, therefor I can't sit there all day and smoke them, but when it does lock up, you're GONE!!!

Green_Monster Enthusiast

Green_Monster

Posted
Posted

I have the G80 locking 4.10 and I can break 'em loose for only a moment unless I brake torque. I am, however, a Crew Cab. How are you able to smoke your tires? I am jealous...sort of. I would really abuse my tires if I could burn 'em. :gmc:

C & A s Dad Senior Enthusiast

C & A s Dad

Posted
Posted

I have been considering a SC FP and contacted them for some dyno #s since I could not find anything on their website. They sent me some HP & TQ #s but not the dyno sheet. I was impressed with the gains but need to know where they come in as far as the RPM range. I do not need the extra hp nd tq at 5,000 rpms. I need it from about 2,000 to 3500 because I use the truck for towing a camper. I e mailed them back and the tech guy at SC told me that they did not have the dyno info on this engine. A 2003 5.3L GMC??? I really question this. How would they not have run this engine on the dyno?

 

I would buy their unit if they would simply provide me with the info that I need so I can make an good decision.

Green_Monster Enthusiast

Green_Monster

Posted
Posted

Try this. You have to select the right vehicle to get this link. It worked when I was looking for my 2006. I remember the 2003 dyno sheet was on here before they put the 2006 version on. The numbers are pretty much identical.

 

Click on the link toward the bottom.

 

http://www.superchips.com/product.phtml?p=62&mmk=590&msg=%2B

:crackup:

Sierra04SLE Enthusiast

Sierra04SLE

Posted
Posted

I got a Predator on my 04' 5.3 ECSB, the mid range, say kick down at 45-50 is real impressive, plus if you baby it there is about an 8% gas saving. Mind you, it just about saves the gas you're gonna use to put a smile on your face :crackup:

Green_Monster Enthusiast

Green_Monster

Posted
Posted

There are definetly noticable power gains, especially above 3500 rpms. I beat a Titan at the dragstrip with mine! That's my success story so far. :crackup::crackup:

5.3almnblk Enthusiast

5.3almnblk

Posted
Posted

 

:crackup: I think you are doin full throtle from a stop thats why your not getting much spin, i go like /_ go to midway and then full it goes sideways and i got the same setup as you but im ecsb if i just press the gas fully it just chirps a bit and goes.

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