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RPO Z16.

A one year special. 1000 were made to honor both the end of the C4 and the original racers, called Grand Sports, from 1963.

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RE:E-Prom Chips A Thing of The Past ????

Subject: RE:E-Prom Chips A Thing of The Past ????
by Josh on 2008/2/13 22:10:05

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Hey man, I’m still waiting to hear you agree to the challenge that you extended.


I accepted it in my last post, but you've got mail to confirm.

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I will pay for your gas on the return trip home if it doesn't work. But, I promise to put you up in a professional environment and provide your meals.


That's cool man, thanks.

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I hope you understand that I’m not interested in spending a few hours trying to improve on a tune you have doubtlessly spent countless hours and many dyno pulls working out.


On my car, I've made 41 dyno pulls dialing it in. I seriously doubt any tuning system could eek any more power out of it. That is pretty much my entire point. To me, it seems like you are representing your system as a way of making more power than a chip ECM. I don't think a tuned flash computer will make any more power than a tuned chip ECU. That's my main gripe.

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That is why I offered the ’91 Vette instead. Although I’ve done countless LS tunes, this will be exactly my second TPI tune. The car currently has a Hypertech chip, 180 degree thermostat, and a K&N Filter. Otherwise it is a 100K mile 6-speed virgin.


I'm down. I guess I have a little more experience with the chip cars, but you have the advantage of the newer flash system, right?

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Seriously, I suspect we would agree in general the peak HP and Torque is going to be more dependent on the skill and perseverance of the tuner than in where the PCM or ECM memory lives.


Those are my thoughts exactly. So I don't get why you are saying you can make more power with your set up?

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When I was approached about tuning “chip” cars, I looked into the cost of the hardware and software. In the end I liked this approach for several reasons. One being that once the car is tuned, the owner will have the option of modifying the tune further down the road if they modify the car.


You can make all the changes in the world to a chip tune with a $70 burner from www.moates.net and some free software from Mark Manseur.

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On the other hand your customers are tied at the hip to you forever.


This absolutely not true. Like I said, anyone I tune a chip for needs a $70 burner to make their own changes. That's it. The editing software is FREE on the Internet. I've E-mailed thousands of .bin files to people all over the country who burn that .bin to a chip and go stick it in their car.

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I think that independence is worth something to today’s DIY, point and click generation. And if our customer gets into trouble, he can send a scan log and we can send an updated file by email instead of snail mail (sorry USPS).


I absolutely agree with you on this one. With your set-up, the customer has to buy your gear (which is over $1000) to get going. With what I do, all he needs is a $70 chip burner and some $5 chips. Like I said, I E-mail tunes all the time.

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Where we SNIP How many ignition and VE cells are available in a “chip” memory?


As many as I want. With the chip system the core .bin file is editable. I can change the scale, and number of columns or rows in every table. I could adjust fueling in increments of as little as 10 RPM if I wanted to, or even 7 RPM on later chip cars.

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Where we expect our kit to make the most gain is in lower RPM torque. That is where the benefit of sequential injection will come into play. This is demonstrated in the fat torque gain in our first ever TPI tune.


I agree that sequential would be nice. I don't think you'll see any benefit above 1400 RPM's as far as power is concerned. It will drive better down low though.

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At higher RPM things are happening so fast in the intake tract that I seriously doubt injector timing matters very much. I would say that at higher RPM, the tuner is going to have more impact than where memory lives in the PCM or ECM. Torque is what the customer feels and torque rules the street.


Lol, if that were true diesel trucks would rule the street. My L98 makes 370 RWTQ compared to a buddies LT4 that makes 340 RWTQ. He absolutely decimates me from any MPH. At any speed, he will crush me. The reason is because I'm only making 270 RWHP and he's making 355. According to your theory, I should beat him on the street because I make more TQ than he does. Well, I don't. I'm sure there are countless of L98 guys out there that can vouch for getting the ass handed to them by LTX and LSX cars that make less torque and more HP.

I don't have any more free time today, but we can correspond via E-mail and set up the shoot out.
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