[flash]

sweet! one less thing to have to find time to do



not sure how i missed that - must be getting blind or old or both



thanks!

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[Rutger Gert-jan]

Ok,



My "check engine" light is never lit........does the light only work on USA cars?? or on ROW cars as well??

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[Mark]

I think it may be emissions related so you may not get it in ROW.

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[Scott Collins]

Got the DIY on Fault Codes. As soon as I perform the "blink" test, I

will post results.



This forum rocks!



<img src="/forum/images/smilies/968/cool.gif" class="smilie" alt="" />

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[daviswm42]

Getting back to the original topic,<img src="/forum/images/smilies/968/biggrin.gif" class="smilie" alt="" /> what is the best chip today?

We seem to have progressed from Racer-X and Promax to RSBarn.

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[RPM]

Getting back to the original topic, what is the best chip today?

We seem to have progressed from Racer-X and Promax to RSBarn.

You know, time was not too long ago that a question like that would have me scurrying for my flak jacket and kevlar helmet. No more.



Simple answer: All of them seem to be good and stable. All have similar horsepower gains, though your results may vary and all dyno test results must be viewed with a jaundiced eye. Finally, all are about the same price.



Earlier problems that occured seem to have been responsibly and quickly fixed by the manufacturers. Each has its slight differences (particularly the Racer X if you want a higher rev limit). Current favor seems to be swinging towards the RSBarn chip, in part because Pete is a stand up guy who is working hard to bring online mods for this narrow-niche car (with the help of a few silent partners). But from what I have read from all of the posts on multiple forums, any of the three will give you a modest power increase and, combined with the airbox mod, a real little kick from the stock 968.



Have I upgraded my daily driver's chip. Nope, not yet. I wanted to let the dust settle on this issue and also give folks the opportunity to put some miles on these puppies. What seems great on day/mile 1 might not be great on day/mile 1,000. But, now that a few years have gone by it is getting near time for me to do this. I'll probably go with the RS, but only because I'd rather do business with that company.

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[Mark]

I have the RSB in both of my cars- people seem to be happy with all three that you mentioned. I know the testing Pete did, so I waited for his chips and went with RSBarn when he was ready. The person who did the original test for 9 magazine (Flash) tested the RSB after the article since it was not available at the time of his original testing and now runs the RSB chip.

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[Scott Collins]

OK - I performed the "blink" test. Took about a minute after I printed out the list of

Fault Codes and slid behind the wheel.



Results: drum roll is heard...................



"No Fault" (Just like my insurance)



Next I will do a compression test. To be continued.....



-Scott

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[flash]

i have not tested the RSB in a stock car against the Racer X - i have tested the RSB Stage 2 against it and got a few more peak hp from the RSB - it does run a bit richer though, and contributed to some issues at my emissions test that were overcome (the smaller cat was the bigger problem though) this will need to be addressed more formally before my next test, but i will need a new chip anyway by then, as there are more mods on the near horizon that will dictate new tuning



what i do like about the RSB chips is that they did the tuning more with fuel than timing, unlike the Racer X - while i had no issues with the Racer X, and expect none in anybody else's car, this tends to be a safer concept - it also makes for a smoother curve



i also like the "trade-in upgrade" policy that RS Barn has, and will be using it again when i get the new chip done



scott - wow - i would have expected a fault somewhere - i am hoping that the engine isn't soggy - perhaps you aren't as sensitive to these kinds of increases as some other people are - it isn't a huge difference, but should be noticeable as a general snappiness and willingness to pull - where you could see it is in the accelleration times (40-70 mph) much more than in g-force in the butt - it is also a lot more noticeable if you let it rev to 6k - another possibility is like what i had going on in my engine - from the factory my timing was retarded on my cams



if the compression check is 180 or better, i would contact pete and get him involved in trying to figure out what is going on

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[Scott Collins]

I won't be able to check compression for about 2 weeks - but after that, I will know more. I have to

play golf in Myrtle Beach for a week, and the car ("Claudia II") is at home, probably sulking because she didn't get to go.... <img src="/forum/images/smilies/968/sad.gif" class="smilie" alt="" />



It's possible that my expectations were much more than ANY chip could meet, and I want to be sure

that this post is NOT considered to be a criticism of the Stage 1 chip. Just a conversation. Also, maybe I don't get the benefit in Central Jersey driving? But my driving style rarely sees a shift before hitting 4K RPM, partly because I love the sensation of a happy motor getting wound up. That's where it comes to life!

I should have had the car on the dyno long ago...



Flash: It's possible, of course, that my timing is not set properly. I am having belts and seals, etc, done

in August. If my timing is not to spec, I will know soon enough.



I will post results of the compression test when I have some. To be continued...



-Scott









I won't be able to check compression for about 2 weeks - but after that, I will know more. I have to

play golf in Myrtle Beach for a week, and the car ("Claudia II") is at home, probably sulking because she didn't get to go.... <img src="/forum/images/smilies/968/sad.gif" class="smilie" alt="" />



It's possible that my expectations were much more than ANY chip could meet, and I want to be sure

that this post is NOT considered to be a criticism of the Stage 1 chip. Just a conversation. Also, maybe I don't get the benefit in Central Jersey driving? But my driving style rarely sees a shift before hitting 4K RPM, partly because I love the sensation of a happy motor getting wound up. That's where it comes to life!

I should have had the car on the dyno long ago...



Flash: It's possible, of course, that my timing is not set properly. I am having belts and seals, etc, done

in August. If my timing is not to spec, I will know soon enough.



I will post results of the compression test when I have some. To be continued...



-Scott

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[bbranch]

OK, so this is off-topic for chips, but might be something for Scott's problem...

Is your car burning more oil then it should and/or leaking oil? If so, another gremlin that robs performance is incorrect crank case pressure, ie a problem in your crankcase ventilation system.

My car has felt a little "tired" lately (hey at ~164K it has a right to), but I was also having an issue with oil leakage, even in areas where seals had been replaced (and re-replaced). A few tests later and I found out I have a faulty oil seperator (now on order from Germany). Besides my leakage problem being fixed, when you have an unhealthy amount of pressure in the crankcase bottom of the engine, it has to work against itself on every power stroke of the cylinders. The good news is a full leakdown test revealed that the rest of my engine is in remarkably great shape.

On topic, I'm waiting to see how much the oil seperator fix affects the butt-o-meter, then will also add a chip :-)



Car is still in the for sale section, but I think I'm going to start liking it too much to sell again <img src="/forum/images/smilies/968/biggrin.gif" class="smilie" alt="" />

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[flash]

i'm thinking that it is probably just an expectations and butt-o-meter sensitivity thing - these mods don't make the kinds of changes that throw you back in the seat - it's just a bit more urgency, more smoothness of curve, and really more seen on the stopwatch than anywhere else

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[RPM]

Looking at this post just now I remember how much I miss Dave Greimann's participation in the 968 community (he started this thread nearly two years ago).

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[Scott Collins]

bbranch et all:



I check oil at every fill-up. Seems normal, in that I seldomly top it off. Mobil 1, 5W-30 is what she

likes. It burns less than my '87 944 n/a, which had 111K when I sold her. The 968 has 55K miles. I wish I could quantify the exact amount of oil consumption, but barring that,

I feel that i can very safely say that I don't have an issue there. No oil leaks to speak of, except for

what I would describe as "seepage" around the upper balance shaft gasket. (I had a '98 Honda Accord V6 coupe, with 68K miles, that needed a quart about every 1,500 miles. <img src="/forum/images/smilies/968/ohmy.gif" class="smilie" alt="" /> I really had to keep an eye on that one but Honda said that that was normal for that car.)



I do leak p/s fluid and have to replace some hoses and/or clamps before the end of the summer.



Thanks for the troubleshooting suggestions. I appreciate the "tribal wisdom" of all in the forum.

There's so much to these machines and it's great that there is so much collected experience and

knowledge present here and with a really positive atmosphere. <img src="/forum/images/smilies/968/biggrin.gif" class="smilie" alt="" />



I'll post compression test results when I get them. -Scott



bbranch: Good luck with the oil separator. Let us know how that turns out.

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[RS Barn]

Scott,

I've seen different results of chips in many cars. First of all the car should be in good running order and have fresh ignition components. Cap, Rotor, plugs. Cam timing is critical. The myth of changing belts and using marks on cam gear are way off. A car that has been driven slowly can have an effect. Carbon buildup on valves can make car sluggish. I've also had cars with slight cracks on exhaust pipes decrease performance. Also junk on Mass Air (Pat)

All of the Performance chips add Fuel and ignition timing to make better power. If the base car is a little off results can vary.

In best case chips are magic. If some other factors are involved results vary.

Pete

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[Scott Collins]

[quote name='RS Barn' post='37663' date='Jun 29 2007, 07:32 PM']Scott,

I've seen different results of chips in many cars. First of all the car should be in good running order and have fresh ignition components. Cap, Rotor, plugs. Cam timing is critical. The myth of changing belts and using marks on cam gear are way off. A car that has been driven slowly can have an effect. Carbon buildup on valves can make car sluggish. I've also had cars with slight cracks on exhaust pipes decrease performance. Also junk on Mass Air (Pat)

All of the Performance chips add Fuel and ignition timing to make better power. If the base car is a little off results can vary.

In best case chips are magic. If some other factors are involved results vary.

Pete[/quote]

Hey Pete,



Thanks for the post and suggestions. I'd be happy to drive in and let you check things out. You will likely be able to identify something that I can't. I'll send you a PM.



-Scott

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[Alka111]

Hello,



Among those who already changed their chip, is there an increased fuel consumption? About how much?



Regards

Nico

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[PorscheDude]

I have been averaging 26.5mp. 500 miles a week both country and highway.

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[Mark]

On the highway it is the same or better for me. On the twisty roads the same or worse as it is more fun to drive and I get into it a little more. <img src="/forum/images/smilies/968/smile.gif" class="smilie" alt="" />

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[flash]

around town, i get a lot worse - on the highway, i get about the same



it's really relative to the right foot



more power, more fun - more fun, more go fast - more go fast, more gas go bye bye

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