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- 02 1500 4x4, mp3
iat update(sorta)
- Thread starter dominoy2k1
- Start date
7
70
SWEET!
I'm a gonna go check this out...
I'm a gonna go check this out...
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- 02 1500 4x4, mp3
the car been running a bit rich now. although i dont have a wideband the egt temps are a bit colder.
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- Hemi Ram, 71 Plymth Scamp, 71 Plymth Duster 340, 69 Dart 340/4sp
I've found it to be more bentifical to run it in a hotter spot, or make it think it's hotter....but what do I know.
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- 02 1500 4x4, mp3
really? hmm...more info, please.
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- Hemi Ram, 71 Plymth Scamp, 71 Plymth Duster 340, 69 Dart 340/4sp
I posted it here before.....somewhere. Instead of adding fuel, wouldn't it be better to tailor the timing? I had specs. of what I gained timing wise, cause honestly I don't remember off hand.
7
70
There is a difference here though.
The MSP runs rich for its turbo set up. It's made for turbo, and so running the IAT warmer will lean out the mix a little for better power.
Other Protege's with an after-market turbo will run lean with the turbo in. For us, it is best to have the IAT in an area where it reads closer to ambient temps to run a little more fuel.
So, to recap, the MSP runs rich and could probably use a little leaner mix. All other Proteges with an after-market turbo and a freakin' NAZI ECU that will pull fuel until it kills itself needs to run more rich than normal to make sure we are getting enough fuel.
That's my take at anyrate...
The MSP runs rich for its turbo set up. It's made for turbo, and so running the IAT warmer will lean out the mix a little for better power.
Other Protege's with an after-market turbo will run lean with the turbo in. For us, it is best to have the IAT in an area where it reads closer to ambient temps to run a little more fuel.
So, to recap, the MSP runs rich and could probably use a little leaner mix. All other Proteges with an after-market turbo and a freakin' NAZI ECU that will pull fuel until it kills itself needs to run more rich than normal to make sure we are getting enough fuel.
That's my take at anyrate...
7
70
Ok, here we go...
I hooked up my OBDII scanner dealy and drove around abit. Intake air temps were in the 140*-142* while driving about 30-35 mph. They got up to 148* while sitting at lights.
Very light boost if any while driving. So, now the car is cooling down and I'll move the IAT sensor to the hole. I'll take some pics to while I'm at it and go for a drive again.
I'll let you guys know what the temp change is.
I hooked up my OBDII scanner dealy and drove around abit. Intake air temps were in the 140*-142* while driving about 30-35 mph. They got up to 148* while sitting at lights.
Very light boost if any while driving. So, now the car is cooling down and I'll move the IAT sensor to the hole. I'll take some pics to while I'm at it and go for a drive again.
I'll let you guys know what the temp change is.
7
70
Yes, but my temps were not near ambient in this test...I was expecting to see around 90*, but didn't.LinuxRacr said:It will be close to ambient air temps until you stop at a light for a while...I guarantee.Remember by experiment?
Here is what I got. Going back through the data I recorded I actually saw a high temp of 153* before I moved it.
After I moved it I saw considerably lower temps. However, not ambient. Today's high was around 89*, and with the IAT moved I saw a high of 133* at a stop light after boosting up to it.
However, the average temp hovered in the 115* range. I saw as low as 111* on the same drive under the same conditions that I saw the 142 at before moving.
So, my car is warm, I guess. But there is a huge difference here in temps. One issue I didn't think of though but was mentioned to me was how a lower temp will advance the timing under acceleration as where the higher temps will retard timing.
So I guess it is a trade off. More fuel, more timing. Less fuel less timing. At anyrate, I am happy with the sensor located where it is now.
And, without further adou, pics!!
The above pic is the hole all by itself, in a long shot.
There is a close-up. It is the larger hole on the left. Please disregard the yucky...
That is where the IAT sensor is in the BEGI/FP kits. The bracket is actually a cool touch for the MAF location that Corky designed. But the hole for IAT is too big.
And there you go. Following Pat's instruction sin the linked thread above, remove some electrical tape, and bingo. You have plenty of wire to reach and the hole is nice and snug like a bug in a rug. HOORAY!
Timing is NOT everything, but it helps
(strike)
I have found from past experience that it is necessary to do both at the same time. Timing requires a bit more fuel or you'll be running lean and get that "nosed-over" feeling during hard acceleration. Don't worry about mileage as mine has always gone up...slightly. The most I ever achieved doing this was 4MPG on a regular basis, but I'd say that was a rare case.
BlkZoomZoom said:
(strike)
I have found from past experience that it is necessary to do both at the same time. Timing requires a bit more fuel or you'll be running lean and get that "nosed-over" feeling during hard acceleration. Don't worry about mileage as mine has always gone up...slightly. The most I ever achieved doing this was 4MPG on a regular basis, but I'd say that was a rare case.
