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Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 08-07-2004, 07:09 AM   #21
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I personally don't recommend removing the MAF screen at this point. No proof of improvements and my 98 is just fine with it in.
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Old 08-07-2004, 11:53 AM   #22
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I noticed a slight improvement personally. N/A guys need all the help they can get...
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Old 08-07-2004, 12:30 PM   #23
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Thanks for all the help - good stuff.
A couple more quick questions about nitrous.
- what rpm is it safe to engage the nitrous at? Like I said, my very first nitrous system was a simple WOT switch setup, but it was for a 2.0 SE-R, so I didn't floor it until 3500rpms. Since the L27'* redline is so much lower, what rpm is it safe to engage it at? The last thing we'd want to do is start spraying to soon.
- So, for a fifty shot, 1 range colder plugs would be fine, correct?

Where are the aftermarket thwrmostats avilable?
Also, if I were to remove the MAF screen, what tools would be necessary? Last thing I want to do is chew up the inlet to the MAF trying to get this thing off - if we end up taking it off at all.

Question about the intake. Does the temp sensor that'* plugged into the stock "accordian" intake piping need to be used? Basicaly, can I get some 3in piping and not sorry about tapping it for that sensor, or is it best to just tap the pipe and retaine the sensor?
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Old 08-07-2004, 12:54 PM   #24
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Don't ditch the IAT sensor, but get it as close to the incoming air (as close to the filter, or IN the filter) as possible. Your car will be a dog if it reads engine bay temps or is disconnected.

MAF screen and intake mod information is in Techinfo.
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Old 08-07-2004, 02:12 PM   #25
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Get the K&N RX-4750 Xstream filter, it has a hole for the sensor.
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Old 08-07-2004, 02:46 PM   #26
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Like I said, I used the Zex system which injected only at WOT with no problems. There is no need for rpm triggering. Personally I would still use 2 range cooler plugs with a 50 shot.
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Old 08-07-2004, 08:40 PM   #27
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Will stock timing be fine?
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Old 08-08-2004, 01:11 PM   #28
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I believe the custom EPROM on my 94 retarded the timing slightly. Was a long time ago when I last talked to Superchips over the phone, so I can't give you definite numbers.
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Old 08-09-2004, 03:44 PM   #29
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Has anyone heard of fastchip.com ??? I called superchips last week and they refered me to fastchip and said that they do GM only chips.
I called fastchip and they said that they make a chip for the L27 for $159 that would produce a 10-12whp gain with an equal gain in torque. Has anyone on here tried them?
When I called they mentioned something about a a small or large chip, and that I would need to have the large chip in order for them to do the upgrade, because they can't do the small chip. Could anyone help me clear this up? I'm kind of lost.

Also, regarding the intake piping. Will generic autozone piping work, or are there pipes produced to fit the engine bay correctly?
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Old 08-09-2004, 11:03 PM   #30
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bump
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