4l60e flaring after new tune video inside
08-17-2011, 12:39 PM
#1
4l60e flaring after new tune video inside so here is the video car flares but doesnt hit the limiter. the car never had a problem until after i got tuned for the cam. let me know what you guys think. Performabuilt lvl2 trans by the way
08-18-2011, 10:15 AM
#3
There are many things relative to the tune that could affect this, Maf and TPS calibration come to mind but being nothing was changed but the tune thats where I would be looking. However beware letting it do this repeatedly can result in a 3-4 clutch failure.
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08-18-2011, 11:10 AM
#5
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Can't watch these videos at work, How about you try
and describe the circumstances?
If your tuner likes to mess with trans settings, there
are things in a stock tune file that will let you hurt
yourself. Especially raising the max line % limit without
changing the force motor table where the 100% column
blows off all line pressure and the only thing keeping
you from stepping in it, is that limit value.
But being a smart guy and "leaning it out for power"
by faking the air mass readings lower, also steals from
applied line pressure < torque calc < air mass. Port the
MAF, ditto.
Plenty of ways to kill a 4L60E and lying to it tops the
list.
and describe the circumstances?
If your tuner likes to mess with trans settings, there
are things in a stock tune file that will let you hurt
yourself. Especially raising the max line % limit without
changing the force motor table where the 100% column
blows off all line pressure and the only thing keeping
you from stepping in it, is that limit value.
But being a smart guy and "leaning it out for power"
by faking the air mass readings lower, also steals from
applied line pressure < torque calc < air mass. Port the
MAF, ditto.
Plenty of ways to kill a 4L60E and lying to it tops the
list.
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08-19-2011, 10:52 AM
#8
Can't watch these videos at work, How about you try
and describe the circumstances?
If your tuner likes to mess with trans settings, there
are things in a stock tune file that will let you hurt
yourself. Especially raising the max line % limit without
changing the force motor table where the 100% column
blows off all line pressure and the only thing keeping
you from stepping in it, is that limit value.
But being a smart guy and "leaning it out for power"
by faking the air mass readings lower, also steals from
applied line pressure < torque calc < air mass. Port the
MAF, ditto.
Plenty of ways to kill a 4L60E and lying to it tops the
list.
and describe the circumstances?
If your tuner likes to mess with trans settings, there
are things in a stock tune file that will let you hurt
yourself. Especially raising the max line % limit without
changing the force motor table where the 100% column
blows off all line pressure and the only thing keeping
you from stepping in it, is that limit value.
But being a smart guy and "leaning it out for power"
by faking the air mass readings lower, also steals from
applied line pressure < torque calc < air mass. Port the
MAF, ditto.
Plenty of ways to kill a 4L60E and lying to it tops the
list.
Basically hes getting a lower presure apply and ending up with a rev/slid bump into 3rd is the best description I can give.
__________________
08-21-2011, 02:09 PM
#9
well i went down to let the tuner look at the car and try to figure out the trans issue, but he only made it worse. he came up with multiple reasons why it could be doing what it was doing. every ten minutes was something new saying it was a faulty converter to a slipping trans to a misfire.... he went on and on in turn pissing me off. i just told him put what we originally had for a tune back on and ill just take it back to the garage. im going to a better known and well respected tuner this friday.
08-21-2011, 02:11 PM
#10
i mentioned what was said on here about the issue could be caused by the maf and ve table settings and he acted like that would have nothing to do with why the trans was flare shifting. he just really pissed me off and needless to say that i will never see or talk to him again
08-22-2011, 10:51 AM
#11
08-22-2011, 07:42 PM
#14
Guys this is a perfect example of why I DO NOT build a performance 60E with an EPC Solenoid. ALL of my units get a vacuum modulator. I've lost too dang many units to Tuners... units that were still in my warranty period no less! Since I started doing that I have not lost a 60E to soft parts failure.
It really is an unfortunate situation when a client spends a big chunk of his hard earned money and winds up caught between the tranny builder and a tuner who disagree with the cause of the failure.
Keep us in the loop on this...
g
It really is an unfortunate situation when a client spends a big chunk of his hard earned money and winds up caught between the tranny builder and a tuner who disagree with the cause of the failure.
Keep us in the loop on this...
g
08-23-2011, 01:02 AM
#15
Guys this is a perfect example of why I DO NOT build a performance 60E with an EPC Solenoid. ALL of my units get a vacuum modulator. I've lost too dang many units to Tuners... units that were still in my warranty period no less! Since I started doing that I have not lost a 60E to soft parts failure.
It really is an unfortunate situation when a client spends a big chunk of his hard earned money and winds up caught between the tranny builder and a tuner who disagree with the cause of the failure.
Keep us in the loop on this...
g
It really is an unfortunate situation when a client spends a big chunk of his hard earned money and winds up caught between the tranny builder and a tuner who disagree with the cause of the failure.
Keep us in the loop on this...
g
08-24-2011, 03:20 AM
#16
I would stab that tuner in the nuts. Likely all he has to do is increase the force motor current positive table to match the other changes he made in the tune.
Of course if he cant figure this out, the rest of the tune is probably "hacked" as well.
As was mentioned, if he didn't calibrate the VE and MAF tables properly to dial the tune in, it could throw the line pressure way off.
I'm not really saying anything these guys here haven't told you, just reiterating.
Find a new tuner
Of course if he cant figure this out, the rest of the tune is probably "hacked" as well.
As was mentioned, if he didn't calibrate the VE and MAF tables properly to dial the tune in, it could throw the line pressure way off.
I'm not really saying anything these guys here haven't told you, just reiterating.
Find a new tuner
08-24-2011, 04:07 PM
#17
TECH Senior Member
08-25-2011, 01:24 AM
#20
I would stab that tuner in the nuts. Likely all he has to do is increase the force motor current positive table to match the other changes he made in the tune.
Of course if he cant figure this out, the rest of the tune is probably "hacked" as well.
As was mentioned, if he didn't calibrate the VE and MAF tables properly to dial the tune in, it could throw the line pressure way off.
I'm not really saying anything these guys here haven't told you, just reiterating.
Find a new tuner
Of course if he cant figure this out, the rest of the tune is probably "hacked" as well.
As was mentioned, if he didn't calibrate the VE and MAF tables properly to dial the tune in, it could throw the line pressure way off.
I'm not really saying anything these guys here haven't told you, just reiterating.
Find a new tuner