Getting the most out of your Apexi S-AFC= Stock MAF honeycomb removal - Page 4 - 3000GT/Stealth International Message Center

Import Power · 08-07-2003, 08:46 AM

Sorry you think what I have personally witnessed 6 times as my "opinion"...Many others have issues after gutting the MAF. When returned to it's stock form all the quirks disapear. That is not opinion. It is fact that it happened 6 times on my car and has happened on others. It may not happen on all. But it does.

hassie · 08-07-2003, 08:50 AM

Quote:

Originally posted by Imp Pwr Online
Sorry you think what I have personally witnessed 6 times as my "opinion"...Many others have issues after gutting the MAF. When returned to it's stock form all the quirks disapear. That is not opinion. It is fact that it happened 6 times on my car and has happened on others. It may not happen on all. But it does.

Well to answer why the hell would the ECU work for a week or a month, or whatever. Us electronic engineers refer to this phenomena very often in our studies. Its known as PFM. All electronics is PFM.
The ECU is controlled by PFM unfortunately so you dont know when it will work or for how long with the honey comb removed.

Just for those of you who dont know, PFM stands for Plain Fucking Magic

92vr4ny · 08-07-2003, 08:51 AM

DR500 are capable of ~430whp maybe more with supporting mods. IPO has had good results with the cast crank if I remember correctly. These engine can plenty, it is all about the tuning. I bet you can not name one person that has blown up there engine from just the solo reason being too much power. It always something else, oil pressure, heat issuses, tuning and so on.

Innovator · 08-07-2003, 08:54 AM

Quote:

Originally posted by DJAuggie

That's really impressive. I wonder what difference it would have made using various other turbos. If you had the time/money, it would be interesting to see what your stock turbos (if you still have them) and your IHI ball bearing turbos would do.

Also, this was done on the 15Gs? Why did you swap the 17Gs/ball bearing turbos out?

Still damn impressive. It gets me excited to know what potential the car has and all the things I can still do to it.

I wonder what you car can run now if you were trapping 125MPH before.

-Shawn

I sold the IHI kit and bought new IC's, and a FJO instead. The 15G's are perfect for me, and they make plenty of HP.

17g's have too much lag for me. I don't need what they can push anyway.

DR500's are basically 13G's. That's why I like the 15's. They have perfect potential, somewhere in between the DR500's and the 17'g. The lag is not so bad either.

As for bigger injectors with stock turbos...

Sure you run more timing with them, but that's not always a good thing, especially on pump gas, hence my starter post on this thread.

Lastly, you can't really use the AFC to lean out the car when criusing. The ECU will always try to keep the A/F at 14.7:1.

If you try to go too lean, it will throw a code.

Import Power · 08-07-2003, 08:54 AM

The ECU is always updating itself. Some things in our ECUs don't update very quickly, some as slow as every 15 minutes. Hence the need to reset the ECU to get back to basics. I have other vehicles so some times I don't drive it everyday. Different driving and weather conditions play a role on how a gutted maf will react.

Again, 6 times i gutted and eventually every single time it acted up. And every single time she came back to normal by only replacing the combs.

Not saying every car will experience the same thing. Every car is different, every car has different mods and runs in different climates and elevations. Just stating what I have personally done and seen. Others here have had the same issue. Due a search. You will find many threads...

DJAuggie · 08-07-2003, 08:55 AM

Quote:

Originally posted by Innovator

I sold the IHI kit and bought new IC's, and a FJO instead. The 15G's are perfect for me, and they make plenty of HP.

17g's have too much lag for me. I don't need what they can push anyway.

DR500's are basically 13G's. That's why I like the 15's. They have perfect potential, somewhere in between the DR500's and the 17'g. The lag is not so bad either.

Do you plan to run the car again? For a while, it seemed like you wanted to make it faster and faster. I guess I am new to this and assume that when your so close to 10s, that you would keep going. Everyone has their reasons tho.

-Shawn

Innovator · 08-07-2003, 09:00 AM

Quote:

Originally posted by 92vr4ny
DR500 are capable of ~430whp maybe more with supporting mods. IPO has had good results with the cast crank if I remember correctly. These engine can plenty, it is all about the tuning. I bet you can not name one person that has blown up there engine from just the solo reason being too much power. It always something else, oil pressure, heat issuses, tuning and so on.

With what supporting mods?

Show me a DR 500 car with the stock internals that had that much HP.

Gabe92RTTT · 08-07-2003, 09:03 AM

I am confused about the timing issue. I thought that the more timing = more power. My logger shows me at 33* timing at WOT. Is this bad?

Innovator · 08-07-2003, 09:04 AM

Quote:

Originally posted by DJAuggie

Do you plan to run the car again? For a while, it seemed like you wanted to make it faster and faster. I guess I am new to this and assume that when your so close to 10s, that you would keep going. Everyone has their reasons tho.

-Shawn

I don't plan to run my car at the track, as I don't believe it's smart to beat on a car I drive every day. Launches are death for the car. 4000 lbs, and AWD... no thanks man... I have nothing to prove on the track with this car..I love it too much to shorten its life.

However, I have a grand I always keep on me if sombody wants to race me on the open road.

Innovator · 08-07-2003, 09:06 AM

Quote:

Originally posted by Gabe92RTTT
I am confused about the timing issue. I thought that the more timing = more power. My logger shows me at 33* timing at WOT. Is this bad?

That's really bad. 22 is about the most you'd want to see at WOT and pump gas, and still be safe.

More timing means more power to a point. Then you start detonating, or start needing to run too rich.

08-07-2003, 08:46 AM	#31 (permalink)
Import Power Play that Funky Music Join Date: Jan 2002 Location: Behind the Wheel Drives: Vicki Insane Trader Rating: (209)	Sorry you think what I have personally witnessed 6 times as my "opinion"...Many others have issues after gutting the MAF. When returned to it's stock form all the quirks disapear. That is not opinion. It is fact that it happened 6 times on my car and has happened on others. It may not happen on all. But it does. __________________ AEM Factory Trained Tuner T4 AWD 9.21 @ 154.98 T2 FWD 10.19 @ 140.31 T4-159.23 MPH Ran on 6G72 3.1L! T4-995AWHP Uncorrected 6G72 3.0L 91VR4 Red-17Gs w/supporting mods-sold 93SLTT/T2 91VR4 Pearl White-sold 91VR4 Black-sold 92VR4 Sandstone-sold 94VR4 Green-sold 93VR4 Pearl White-currently parting out 91VR4 Black-Currently building "daily Driver" 3SX Performance 3SX Performance Service Email

08-07-2003, 08:51 AM	#33 (permalink)
92vr4ny Snake Eater! Join Date: Jan 2001 Location: NY (about 45mins from Albany) Trader Rating: (1)	DR500 are capable of ~430whp maybe more with supporting mods. IPO has had good results with the cast crank if I remember correctly. These engine can plenty, it is all about the tuning. I bet you can not name one person that has blown up there engine from just the solo reason being too much power. It always something else, oil pressure, heat issuses, tuning and so on. __________________ Mike T. 1992 Silver VR4 Future mods (not in any order)... Stage 2/3 Heads, Rear Sway Bar, CFDS, LSD, Rebuilt tranny AGAIN (thinks to Mitsu), Clutch, CF Hood, Propane (already bought along time ago), Pre-Cat Eliminators, AEM Stand alone, Repainted, Big Brake Kit, Rims... think I could get close to 500WHP out of that on DR500s?http://www.penguinhosting.net/~matt/public/picture2/mycar/vr-4/ Vipers Beware!

08-07-2003, 09:03 AM	#38 (permalink)
Gabe92RTTT U2SLOW Join Date: Aug 2002 Location: Albuquerque Drives: '92 Dodge Stealth TT Trader Rating: (36)	I am confused about the timing issue. I thought that the more timing = more power. My logger shows me at 33* timing at WOT. Is this bad? __________________

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08-07-2003, 08:54 AM	#35 (permalink)
Import Power Play that Funky Music Join Date: Jan 2002 Location: Behind the Wheel Drives: Vicki Insane Trader Rating: (209)	The ECU is always updating itself. Some things in our ECUs don't update very quickly, some as slow as every 15 minutes. Hence the need to reset the ECU to get back to basics. I have other vehicles so some times I don't drive it everyday. Different driving and weather conditions play a role on how a gutted maf will react. Again, 6 times i gutted and eventually every single time it acted up. And every single time she came back to normal by only replacing the combs. Not saying every car will experience the same thing. Every car is different, every car has different mods and runs in different climates and elevations. Just stating what I have personally done and seen. Others here have had the same issue. Due a search. You will find many threads...