No more idle issues!!!!! Whoooo-hooo!!!!!
Thread Starter
Team Owner
Joined: Dec 1999
Posts: 174,312
Likes: 1,217
From: Here
Pilot of Beer Force 1
Tampa Regional Coordinator
CI 4-5-6-7-8 Veteran
Organizer St. Jude Fundraiser
I believe in the Beer Fairy
No more idle issues!!!!! Whoooo-hooo!!!!!
I cannot say Thank You enough to FRC Tom...he met with me tonight and in under an hour got my car running better than it has in a long long time. I have been 
for 2 months now with erratic idle issues, stalling etc. After I left his house tonight I was 
for 2 months now with erratic idle issues, stalling etc. After I left his house tonight I was
Thread Starter
Team Owner
Joined: Dec 1999
Posts: 174,312
Likes: 1,217
From: Here
Pilot of Beer Force 1
Tampa Regional Coordinator
CI 4-5-6-7-8 Veteran
Organizer St. Jude Fundraiser
I believe in the Beer Fairy
I'm tellin ya....it has been a frustrating couple of months
Team Owner
Joined: May 2001
Posts: 36,836
Likes: 244
From: Dear Karma, I have a list of people you missed.
St. Jude Donor '08-'09-'10-'11-'12-'13-'14-'15-'16
Originally Posted by Mike Mercury
congrats !
Any info on what was done to correct the problem ?
Any info on what was done to correct the problem ?
Burning Brakes
Joined: May 2000
Posts: 881
Likes: 0
From: Clearwater, FL, USA
Originally Posted by Mike Mercury
congrats !
Any info on what was done to correct the problem ?
Any info on what was done to correct the problem ?
I then adjusted the idle airflow vs. ect and TPS vs IAT.
The fans were still set stock so I adjusted them to come on at 186 to take advantage of the 172 stat. His IAT is still high (140+) because of the blackwing taking in the hot air under the hood.
We then took a cruise and I scanned and then adjusted the LTFTs down to about -1.80 vs the +4-7 it was running.
Brought the spark table up 2 points at 400-600-800-1000 rpms from 0.08g/cyl through 0.32g/cyl and then smoothed out the rest of the spark table.
Team Owner
Joined: Apr 2001
Posts: 54,204
Likes: 180
From: S.W. Ohio. . . . . . NRA Life Member
I brought the idle up from 750 to 925 rpms to start.
I then adjusted the idle airflow vs. ect and TPS vs IAT.
The fans were still set stock so I adjusted them to come on at 186 to take advantage of the 172 stat. His IAT is still high (140+) because of the blackwing taking in the hot air under the hood.
We then took a cruise and I scanned and then adjusted the LTFTs down to about -1.80 vs the +4-7 it was running.
Brought the spark table up 2 points at 400-600-800-1000 rpms from 0.08g/cyl through 0.32g/cyl and then smoothed out the rest of the spark table.
I then adjusted the idle airflow vs. ect and TPS vs IAT.
The fans were still set stock so I adjusted them to come on at 186 to take advantage of the 172 stat. His IAT is still high (140+) because of the blackwing taking in the hot air under the hood.
We then took a cruise and I scanned and then adjusted the LTFTs down to about -1.80 vs the +4-7 it was running.
Brought the spark table up 2 points at 400-600-800-1000 rpms from 0.08g/cyl through 0.32g/cyl and then smoothed out the rest of the spark table.
Thanks for the info !!!
Team Owner
Joined: Dec 2000
Posts: 91,519
Likes: 173
From: o|||||||o
CI 4-5-7-8-9-10 Veteran
St. Jude Donor '07 thru '11
Originally Posted by FRC Tom
I brought the idle up from 750 to 925 rpms to start.
I then adjusted the idle airflow vs. ect and TPS vs IAT.
The fans were still set stock so I adjusted them to come on at 186 to take advantage of the 172 stat. His IAT is still high (140+) because of the blackwing taking in the hot air under the hood.
We then took a cruise and I scanned and then adjusted the LTFTs down to about -1.80 vs the +4-7 it was running.
Brought the spark table up 2 points at 400-600-800-1000 rpms from 0.08g/cyl through 0.32g/cyl and then smoothed out the rest of the spark table.
I then adjusted the idle airflow vs. ect and TPS vs IAT.
The fans were still set stock so I adjusted them to come on at 186 to take advantage of the 172 stat. His IAT is still high (140+) because of the blackwing taking in the hot air under the hood.
We then took a cruise and I scanned and then adjusted the LTFTs down to about -1.80 vs the +4-7 it was running.
Brought the spark table up 2 points at 400-600-800-1000 rpms from 0.08g/cyl through 0.32g/cyl and then smoothed out the rest of the spark table.
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Drifting
Joined: Jan 2003
Posts: 1,473
Likes: 5
From: Brooksville Fl
What is the matter with you guys don't you know anything!
This is the secret recipe to Bush's Baked Beans, told to him by the dog.
I have vague knowledge of this myself but want to learn. Where do I go, what can I read?
This is the secret recipe to Bush's Baked Beans, told to him by the dog.
I have vague knowledge of this myself but want to learn. Where do I go, what can I read?
Le Mans Master
Joined: Feb 2000
Posts: 7,032
Likes: 2
From: Newburgh NY
In other words he did a Computer Tune on the car with either LS1Edit or HPTuner. Probably HP Tuner based on the scan.
ECT (Engine Collat Temp)
LTFT (Long Term Fuel Trim Cells) Positve #'s are Lean and negative #'s are rich. He richened it up a bit to get all negative LTFT's.
IAT (Intake Air Temp)
TPS (Throttle Position Sensor)
The timing table is dimensioned by g/cyl (grams of dynamic airflow in the cylinder?) and rpm. He advanced the timing in the lower RPM ranges a little.
HPTuner allows you to drive around and log various sensor data from the PCM. This info can then be analyzed to determine corrections that may need to be made.
It's a beautiful thing!
ECT (Engine Collat Temp)
LTFT (Long Term Fuel Trim Cells) Positve #'s are Lean and negative #'s are rich. He richened it up a bit to get all negative LTFT's.
IAT (Intake Air Temp)
TPS (Throttle Position Sensor)
The timing table is dimensioned by g/cyl (grams of dynamic airflow in the cylinder?) and rpm. He advanced the timing in the lower RPM ranges a little.
HPTuner allows you to drive around and log various sensor data from the PCM. This info can then be analyzed to determine corrections that may need to be made.
It's a beautiful thing!
Thread Starter
Team Owner
Joined: Dec 1999
Posts: 174,312
Likes: 1,217
From: Here
Pilot of Beer Force 1
Tampa Regional Coordinator
CI 4-5-6-7-8 Veteran
Organizer St. Jude Fundraiser
I believe in the Beer Fairy
Originally Posted by snide
Uhhh... what's that in English?
Instructor
Joined: Oct 2002
Posts: 181
Likes: 0
From: Windham NH
Originally Posted by FRC Tom
I brought the idle up from 750 to 925 rpms to start.
I then adjusted the idle airflow vs. ect and TPS vs IAT.
The fans were still set stock so I adjusted them to come on at 186 to take advantage of the 172 stat. His IAT is still high (140+) because of the blackwing taking in the hot air under the hood.
We then took a cruise and I scanned and then adjusted the LTFTs down to about -1.80 vs the +4-7 it was running.
Brought the spark table up 2 points at 400-600-800-1000 rpms from 0.08g/cyl through 0.32g/cyl and then smoothed out the rest of the spark table.
I then adjusted the idle airflow vs. ect and TPS vs IAT.
The fans were still set stock so I adjusted them to come on at 186 to take advantage of the 172 stat. His IAT is still high (140+) because of the blackwing taking in the hot air under the hood.
We then took a cruise and I scanned and then adjusted the LTFTs down to about -1.80 vs the +4-7 it was running.
Brought the spark table up 2 points at 400-600-800-1000 rpms from 0.08g/cyl through 0.32g/cyl and then smoothed out the rest of the spark table.
Did you make any VE adjustments
--Bill
VERY Interesting!!!! 