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Discussion Starter · #1 ·
Does anyone run 87 oct with their superchip programmer???

I live at 9400 ft in the rockies and not only is 91 oct hard to find but it is super expensive. Just wondering if the programmer is worth the $$$$ if I don't run high grade fuel.
 

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AKA: Justin
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You should notice some performance increase. However not as much as the 91. I would say its not worth it. and because of your altitude you may have a higher chance of knocking.
 

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Patriot....
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Hypertech's 87 programming is a bit more aggressive than Superchips - if 87 octane is your goal, go with Hypertech. If 91 or more is your goal - go for Superchips.
 

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How is it more aggressive? I am thinking of buying a Superchips tuner soon and I will be using the 87 octane setting. This setting is supposed to increase fuel economy and performance. This is what I believe I have read here and from Superchips. Is this not so?
 

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Pimp On Sir Don
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The SC87 doesn't do squat for performance and I certainly didn't notice any more MPG.
 

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Everything I have seen on the forums leads me to believe that the 87 program is not going to produce any noticable power.

One consideration to be aware is that when you advance timing thru a programmer, you have more potential of pinging. In the hot summer (especially in the mountains) this risk increases even more. Many have reported pinging with no advance in the timing at all and the dealer often will retard timing by performing a death flash. The death flash prevents pinging, but at the expense of power.

In the hot summer in the hills, I get pinging with the stock timing setting. I use higher octane fuel in the summer months to avoid pinging.

Those that try the 91 octane performance program are at an increased risk for pinging especially in the summer and especially in the mountains. I had considered the Superchips programmer, but more for the ability to reprogram wheel size and gear ratios than for the 91 power program.
 

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I have superchips and tried the 87 octane. I couldnt tell if there were more power or better mpg, but i DEFINATELY noticed better shifting and higher rev points. The shifting is alot more firm and feels 100% better IMO! But what ive read is that if u want to use 87 octane, use hypertech. If you want the best performance or towing performance, use the superchips.
 

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WORLD'S GREATEST TRUCK
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The engine you have could affect your opinion on the Superchips programs.I got the superchips 3715 last wk, I installed the 87 prg 1st, the D behaves like it's in warmup mode (very torquey when blipping the throttle):D , shifts are firmer only when getting on it, top end feels like more hp, it pulls harder. I tried the perf. prg but immediately dropped back to 87 due to SEVERE continuous pinging above 1000rpm. As soon as the tank is empty, I'll fill w/mid-grade and try again.
 

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Pimp On Sir Don
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B1G BLEU said:
The engine you have could affect your opinion on the Superchips programs.I got the superchips 3715 last wk, I installed the 87 prg 1st, the D behaves like it's in warmup mode (very torquey when blipping the throttle):D , shifts are firmer only when getting on it, top end feels like more hp, it pulls harder. I tried the perf. prg but immediately dropped back to 87 due to SEVERE continuous pinging above 1000rpm. As soon as the tank is empty, I'll fill w/mid-grade and try again.
I should fill it with 87 and run the 91 program, just so I know WTF this pinging sounds like.

Run the 91 Biggy, if you're like me, you won't be going back! Even when premium hit 3.60 a gallon I was still shelling it out.
 

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What would you recommend to someone like myself who has a 360, runs 87 most of the time (advantage Hypertech), wants better fuel economy and performance, but (since I'm planning on buying a ~25ft travel trailer to live in) would tow fairly often (advantage Superchips)? Probably Hypertech since I get the better 87 tune, which I'd use most of the time?
 

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WORLD'S GREATEST TRUCK
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Unnamed said:
I should fill it with 87 and run the 91 program, just so I know WTF this pinging sounds like.

*SNIP*
Did you ever have a set of click-clacks? picture a few dozen of those all at once. Not a pretty sound, it burns holes in the topsof your pistons.

EDIT: I can't wait to run out of gas. I think I'll siphon what's left into the wife's minivan.
 

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Having tried all 3 possibilities (SuperChips,Hypertech,performance PCM)


SuperChips:
87 setting on SC is useless
Tow mode is not very impressive( towing 4500lb 23' boat), stock actually seemed better when towing.
91 octane setting is VERY effective....very( highest perf. of all 3)

Hypertech:

87 setting is very very effective.........very(2nd best)
no tow setting
91 setting is better but not enought to warrent premium gas


Perf. PCM= bad mojo.
 

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Patriot....
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Yeah - what Rick said!

Rick did a lengthy, and I'm sure expensive, side by side comparison on here....just need to search for his thread.
 

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ya know Kev....at the time it just seemed like the right thing to do. Now that all my $&*^ keeps breaking I shoulda saved some $$$ to the side as insurance.

Oh well........at least I know. I was driving me crazy wondering.
 

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Pimp On Sir Don
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RAC961 said:
ya know Kev....at the time it just seemed like the right thing to do. Now that all my $&*^ keeps breaking I shoulda saved some $$$ to the side as insurance.

Oh well........at least I know. I was driving me crazy wondering.

Curiousity killed the Dingo.
 

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Ronnie is fast....I called him today to see if I could get pics of the diff during removal and its already fixed!!! I will try to get the old diff and housing from him to get pics of the destruction. Oddly enough, the yoke and Dshaft didnt get damaged even though they banged all over the road?
 

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'02 Dakota QC SLT Plus
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RAC961 said:
SuperChips:
87 setting on SC is useless
Tow mode is not very impressive( towing 4500lb 23' boat), stock actually seemed better when towing.
91 octane setting is VERY effective....very( highest perf. of all 3)
Uh, I'm gonna disagree with this... :thatfunny

87 setting on SC on my Durango made the tranny shift better, but the TC lockup disengages with much less throttle position than stock. Other than the tire size correction there is not much use to this setting.
Tow mode makes a world of difference with my QC (pulling 5500lb 24' toyhauler), same hills with stock I have to burry the throttle. With SC I still have gas pedal left.
91 octane setting is VERY effective... at the top end, but I don't race. Towing program actually gives me better accelleration off the line.
 
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