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Old 10-22-2013, 06:23 PM   #376
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I'm mostly changing the catch can so I can empty it easier (PITA right now) and to shorten up the hose lengths. Also will make it look a lot better without those huge heater hoses everywhere.
True statement there. I was thinking the same thing.
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Old 10-22-2013, 08:06 PM   #377
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I've emptied mine once in 12,000 miles. Got about a half cup out of it.

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Old 10-23-2013, 11:34 AM   #378
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I've emptied mine once in 12,000 miles. Got about a half cup out of it.

John B.
Its been really humid and wet here, which is bad news for next year because tornado season might be more active due to the moisture in the ground.
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Old 10-23-2013, 12:47 PM   #379
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I've emptied mine once in 12,000 miles. Got about a half cup out of it.

John B.
Wow, so I wonder why some have to change it so often, and yours hardly at all?

Is it really just dependants on air temps, humidity and such or is something else going on here.
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Old 10-23-2013, 01:44 PM   #380
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Air temps, humidity and the fact that mine usually gets used for longer trips, so I probably don't have near the moisture accumulation in the crankcase as others do. I'm sure it all plays a part. We are talking DRY here.

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Old 10-23-2013, 06:32 PM   #381
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So, is your experience that everything is worked out on your supercharger install now?

Your initial experiences with the cars stalling and such are gone? So if I went and got an install done there would be minimal issues? I wouldn't have wanted to put with the hassle that you did.
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Old 10-23-2013, 07:06 PM   #382
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So, is your experience that everything is worked out on your supercharger install now?

Your initial experiences with the cars stalling and such are gone? So if I went and got an install done there would be minimal issues? I wouldn't have wanted to put with the hassle that you did.
Everything is mostly worked out, just trying a different gas station right now due to knock retard. I hate gas stations owners.

The car hasn't stalled in a long time, but I haven't had the AC on, that was when it mostly happened. I think if you have the stock headers and cats, your car won't have as many problems. My car has full bolt-ons, only other mod I can do to the engine is to start doing internal work.

There problem something the people who are having stalling problems have in common, just have to figure out what it is. Not every kit is stalling so its probably some mod we have done that it doesn't like. Mine didn't stall until I removed my high-flow cats, so it might be the lack of back-pressure causing the issues.
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Old 10-24-2013, 12:27 PM   #383
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Wow, so I wonder why some have to change it so often, and yours hardly at all?

Is it really just dependants on air temps, humidity and such or is something else going on here.
I think the warmer temps combined with low humidity is it. Here in sunny S. Utah relative humidity is frequently in the single digits with night time lows 45-50, warming up to 70's during the day. And it'll stay that way thru Dec! Rain is infrequent enuff to require comment, "Hey look- it's raining!"

I checked my catchcan after 2K miles and it had less than an ounce in it.
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Old 10-24-2013, 12:44 PM   #384
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Everything is mostly worked out, just trying a different gas station right now due to knock retard. I hate gas stations owners.

The car hasn't stalled in a long time, but I haven't had the AC on, that was when it mostly happened. I think if you have the stock headers and cats, your car won't have as many problems. My car has full bolt-ons, only other mod I can do to the engine is to start doing internal work.

There problem something the people who are having stalling problems have in common, just have to figure out what it is. Not every kit is stalling so its probably some mod we have done that it doesn't like. Mine didn't stall until I removed my high-flow cats, so it might be the lack of back-pressure causing the issues.
Try some Torco out next race day- mine has knocked twice, (both times on the street when I got stupid in 2nd gear and forgot to shift!)- KABOOM! There was no mistaking it.

Fortunately no casualties, but the Torco will likely give you some protection on the track and I've not seen any loss of performance mentioned by race gas users.

http://torcoracefuel.net/
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Old 10-24-2013, 12:52 PM   #385
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At the track I mix 104 octane with the 91 octane I have in the tank. I use my torque app to get the percentage of fuel left, multiply that by 19, then divide by 2.

Don't know if its in my head, but the car just pulled so hard it hurt my chest. When it shifted from 2nd to 3rd you could feel the car lunge forward. The new gas station I tried may have been better, will see. I'm also now using Royal Purple 5W-30 HPS, since my warranty is gone might as well see if it will help the seals.
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Old 10-24-2013, 05:03 PM   #386
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You better come to camaro fest so I can see if its worth it for my llt!!
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Old 10-24-2013, 06:13 PM   #387
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I won't be going to Camaro fest now, I'm a government contractor and during the shutdown I had to use all my vacation hours just to get paid (I won't get backpay like the feds will).
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Old 10-24-2013, 07:28 PM   #388
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May have found the reason for my high Knock Retard. The picture is the elbow connector to the supercharger inlet. Even with the catch can my intake is sucking in a lot of oil.
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Old 10-25-2013, 01:34 PM   #389
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My wife has to do some kind of event at her college but I'm begging her to let me go to the track myself. The current DA is 775, tonight it will be near 0. Never gets this good here.
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Old 10-25-2013, 05:21 PM   #390
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That should be some good air for you. I plan to run on Sunday and will be looking at negative DA. Now I just hope we get traction.
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Old 10-25-2013, 11:34 PM   #391
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My car was pulling 8 degrees of timing even with 104 octane mixed in with 91, so its not the fuel. The car for some reason now is running way too lean, 13:1 and spikes to almost 14:1 briefly in boost. I'm going to load an old tune that I had that was too rich.
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Old 10-26-2013, 12:17 AM   #392
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May have found the reason for my high Knock Retard. The picture is the elbow connector to the supercharger inlet. Even with the catch can my intake is sucking in a lot of oil.
Did you log over how many miles that was by chance?

Over a few hundred miles I caught a couple ounces of waterly fluid/fuel.
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Old 10-26-2013, 01:06 PM   #393
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Did you get to run her?
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Old 10-26-2013, 02:25 PM   #394
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Did you get to run her?
Yeah, first run was 14.5 @ 103, that's the one where my reduced engine power message came up. Think it might have over-revved. Second and third runs were 14.1 @ 101. The car is pulling 8 degrees of timing and my AFR was 13:1 spiking to 14:1 at boost. I loaded the old tune that was running too rich for me and now I have no knock retard so far. Something in my engine settled and now I'm getting more air into the chambers than before. Don't know what happened though, went from a 11:1 AFR to a 13:1 AFR by only changing the oil it seems.
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Old 10-26-2013, 08:13 PM   #395
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Yeah, first run was 14.5 @ 103, that's the one where my reduced engine power message came up. Think it might have over-revved. Second and third runs were 14.1 @ 101. The car is pulling 8 degrees of timing and my AFR was 13:1 spiking to 14:1 at boost. I loaded the old tune that was running too rich for me and now I have no knock retard so far. Something in my engine settled and now I'm getting more air into the chambers than before. Don't know what happened though, went from a 11:1 AFR to a 13:1 AFR by only changing the oil it seems.
Are you going to get a new tune or your going to try to run it again ?
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Old 10-26-2013, 11:24 PM   #396
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Ok, WTF. I loaded the tune I had problems with before with being too rich and now my car is running great. And I do mean great, not even a dip in RPM's like it was going to stall. I don't know what happened, but will keep driving it to see how it handles this tune.
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Old 10-26-2013, 11:50 PM   #397
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Hopefully you have stuff sorted now Magnum.

I'm thinking one day i'll go FI, perhaps... So i'm really rooting for all you FI guys!
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Old 10-27-2013, 11:15 AM   #398
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Yeah, first run was 14.5 @ 103, that's the one where my reduced engine power message came up. Think it might have over-revved. Second and third runs were 14.1 @ 101. The car is pulling 8 degrees of timing and my AFR was 13:1 spiking to 14:1 at boost. I loaded the old tune that was running too rich for me and now I have no knock retard so far. Something in my engine settled and now I'm getting more air into the chambers than before. Don't know what happened though, went from a 11:1 AFR to a 13:1 AFR by only changing the oil it seems.
Ported IM ?
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Old 10-28-2013, 01:22 PM   #399
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Well, this is weird. I've been running the original tune for over 100 miles now and the engine has not dipped in RPM'S once like it was going to stall. But my misfires have come back. Before with this tune and the ported IM my LTFT's were +10%, now they are +21% with the same MAF rate, getting more air into the chamber.

I think the misfires is not from a fueling issue but timing. On my custom time at 5000 RPM'S I had 8° of KR, 8° of timing advance and a 13:1 AFR. Now I have 0° of KR, 18° of timing and a 12:1 AFR. I think the misfires are because the combustion is still happening when the exhaust valves open. Before with the custom tune there was not enough fuel and pre-detonation was happening.

I will email Arno tonight and see what he says.
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Old 10-29-2013, 10:21 PM   #400
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Ok, another freaking update. Have been trying various tunes and doing logs on them to try to get as much information as possible. The V60C1D tune is the first tune I tried that had no stalling issues, but would have popping in the exhaust at WOT. I found out this is Fuel Knock from being too rich and looked like its lean because the oxygen is not fully burned off. So when I am at WOT with that tune my AFR is actually 10:1 all the way through, but looks like its 12:1 after 5000 RPM's due to the fuel knock. The issue would show up though once the LTFT's settled at over +10% from cruising around. This is the tune I first raced with and had no problems since my LTFT's hadn't settled.

On the other tunes (V60C1 or V60C1C7) the LTFT's will be negatives but at WOT the AFR's will be at 13:1. This causes no fuel knock but is causing knock retard heavily, pulling almost 10 degrees of timing. The car will also try to stall since its running so rich when it re-opens the throttle blade (the V60C1D tune will go to 14:1 AFR, the V60C1 tune will go to 10:1 AFR).

I sent this information to Arno, see if we can come up with a tune that will work in both worlds. I have been logging the MAF rates, timing, knock retard, LTFT's, STFT's, speed, misfires, RPM's, and injector pulse widths. If we can get the fuel rates correct for 1000 to 4000 RPM's and keep the other ones the way they are now we will be golden.
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