I've been reading on here that the 87 tune works wonders, also that the tow and crawler ones are great.

I've seen very little people use the 93 tune (I guess it may be part due to 93 isn't offered everywhere).


Is running a high octane tune like 93 bad for the engine? ie does it put extra load on the pistons and whatnot?
Will a 93 (vs stock/87 tune) Superchip tune compromise my engine's longevity?

 

If you are wanting a tune for purely horsepower, you're barking up the wrong tree. When I installed my superchips tune (87) and AEM cold air intake I noticed a LITTLE more pep in its step so to say and a little extra fuel economy (about 0.6 mpg) but no huge gains like everyone wants.

The true benefit with the tune is the shift point adjustment for us auto guys and the ability to calibrate for tire and gear ratio changes. The increase from going to a 5.38 gear from the stock 4.10 ratio was much more noticeable but I did still need the tuner to calibrate the speedo for the new gears.

In my opinion it's not worth the cost unless you have an auto trans or need it to calibrate for gears/tires.

 

I'm running 91 tune on 91 octane gas. No problems

 

The 93 tune will be fine as long as the fuel is truly 93 octane. I personally don't find running that octane necessary in a Jeep, especially with gas prices through the roof

 

Not sure what your expectations were, but a 7-10% gain in power is excellent considering the cost. When I look at mybig block Chevelle or Malibu I would need to spend exponentially more to get anywhere near that kind of a percentage gain. The 3.8L is still a pig, 15hp and 20 ft bs of torque isn't a ton unless you consider the gains in percentages. Dollar per horsepower, cost/value, one of the best upgrades you can perform. It isn't going to put power to the road like a set of gears and conversely gears do thing to increase the power output of the engine.

Anyway, I've been a stoked user of the product since inception and with a manual JK. No complaints at all and they've been a great company to deal with.

 

I LOVE Superchips!

Just got mine yesterday, there was a definite noticeable difference in power gains and drivability!

Anybody have experience or success with modifying the shift points manually? what works best for you guys?

 

I could definetly notice the difference after the lift and 35's. I'd say superchips Flashpaq brought it back to stock with the 87 tune.

 

I've had great success with the advanced trans tune on my Dodge Ram and have helped a few people get things rolling on their JKs. If you want some help send me a pm and I'll get you out a blank spreadsheet to start things out.

 

I am running the 93 Octane tune as we have RON97 here, OK I change my gearing as well to 5.13 but the flash pac seems to be doing its work. together with the changing my shift points, my JEEP is doing great. I feel a lot more power and it is definitely going faster through the ref range. I have had several chips (most rubbish one the JET Stage I&II) but the flash pac is definitely doing its business.

 

You're comparing a big block Chevelle to a 3.8 jeep as far as cost per hp? That's unfair in itself. A big block (assuming you are talking about the standard 454" motor) will begin life with gobs and gobs more power than a 3.8 could ever have wet dreams about making.

And then you have the cost factor. I could buy a 454 for less than a 3.8 so that's another divot in that comparison. And even when referring to the cost of upgrades, I could re-cam or upgrade heads or intake manifolds or headers etc etc on a big v8 for less than it costs for a CAI/tuner setup for a 3.8 motor jeep. The only reason people can claim a 7-10% gain is because the initial hp number is so low.

Not saying its not a good upgrade, as I stated in my post, I do indeed like it. But, some posts on this forum could be causing people to have unreal expectations from that product. It has it's pluses but also has its draw backs.

And yes, I am aware gears do not provide hp, I never said that. They were a more noticeable mod as far as compensation for larger/heavier wheels and tires. Dollar for hp, I would advise someone who is looking for the most power they can get out of their 3.8 safely, to look into a ripp stage 2 kit. And it comes with a tuner.