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New Activity (
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Older Activity
2 Minutes Ago
edcmat-l1
replied to a thread
Operating OS's 1250216 & 1250219 compatibility
in
GM V8 Tuning - Engine, Gas (Gen 4)
I'm with Alvin on this. Only OS "upgrading" should be done with SPS unless you're absolutely sure, or don't care if you brick one just trying it.
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3 replies | 101 view(s)
5 Minutes Ago
bkg06gto
started a thread
Strange 1-2 shift behavior 22 Mach 1
in
Ford Tuning - Engine, Gas (Non Ecoboost, US)
Preface with the car 22 Mach 1 A10 Long tubes, no cats E85 But this issue has apparently been present before the mods and stated its just...
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0 replies | 3 view(s)
7 Minutes Ago
Alvin
replied to a thread
Throttle reads 155% at WOT
in
GM V8 Tuning - Engine, Gas (Gen 3)
It's a known issue these don't read accel pedal position correctly in 03-04ish trucks. Unless its throwing some sort of pedal code I wouldn't...
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1 replies | 21 view(s)
9 Minutes Ago
Alvin
replied to a thread
LQ4 swapped S10 with supercharger installed and P0102
in
GM V8 Tuning - Engine, Gas (Gen 3)
blower displacement isn't everything. M90's are like what was used on those old supercharged thunderbirds and 3800 GM motors. When I was a...
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8 replies | 114 view(s)
10 Minutes Ago
Richard F.
replied to a thread
Bad E38 ECM?
in
GM V8 Tuning - Engine, Gas (Gen 4)
The car has a Dakota digital HDX, I haven’t had any issues with them in the past on swaps. The MIL output wire from the ECM goES directly to the...
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10 replies | 118 view(s)
15 Minutes Ago
Alvin
replied to a thread
ecm lambdapro
in
VCM Scanner External Sensors
IF you search by my name I have an excel sheet posted in here to figure this out for you.
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3 replies | 55 view(s)
17 Minutes Ago
Alvin
replied to a thread
Operating OS's 1250216 & 1250219 compatibility
in
GM V8 Tuning - Engine, Gas (Gen 4)
IMHO never safe to overwrite a different OS in a GEN 4 unless its a custom OS from hptuners for the original OS. About once every two weeks we see...
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3 replies | 101 view(s)
18 Minutes Ago
Richard F.
replied to a thread
Bad E38 ECM?
in
GM V8 Tuning - Engine, Gas (Gen 4)
I am no where near an experienced tuner lol, it will go to an experienced tuner with a dyno and let them dial it in properly. I wanted to get the...
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10 replies | 118 view(s)
19 Minutes Ago
gtstorey
replied to a thread
ecm lambdapro
in
VCM Scanner External Sensors
Is this not just a simple linear mx+b calculation? Lambda=.24v+.55
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3 replies | 55 view(s)
25 Minutes Ago
Alvin
replied to a thread
Bad E38 ECM?
in
GM V8 Tuning - Engine, Gas (Gen 4)
It looks like other people have found issues that would cause a legitimate SES light. In the case of the SES light being on (sometimes dimly) in...
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10 replies | 118 view(s)
26 Minutes Ago
edcmat-l1
replied to a thread
Surging and LTFT questions on LS1
in
GM V8 Tuning - Engine, Gas (Gen 3)
No mention of injectors......
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1 replies | 23 view(s)
29 Minutes Ago
Alvin
replied to a thread
New engine and 4l60e combo, slipping in 4th
in
GM V8 Tuning - Engine, Gas (Gen 3)
be certain that it is correct.. Like I said before.. A fresh build could check good and come back after 20 miles and show low. They have to work out...
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18 replies | 400 view(s)
31 Minutes Ago
pdsq98gt
replied to a thread
Getting back to tuning
in
GM V8 Tuning - Engine, Gas (Gen 3)
You can leave the stoich table at 14.1 if you are running 10% ethanol. But when you are actually at the stoich for e10 your wideband will display...
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14 replies | 204 view(s)
1 Hour Ago
blindsquirrel
replied to a thread
5vdc source for fuel pressure transducer.
in
GM V8 Tuning - Engine, Gas (Gen 3)
Nobody knows what you are working on if you don't tell us. A "sensor" that has only two pins is not a sensor, it is a discrete on/off switch....
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11 replies | 2441 view(s)
1 Hour Ago
pms007
replied to a thread
2013 6.2 6R80 shift Flare/drag
in
Ford Tuning - Transmission
Does someone pls point me to the parameter significance which I see in Forscan for TCM, below . Me too have some issue with 6r80, and unable to...
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2 replies | 200 view(s)
1 Hour Ago
abc
started a thread
Surging and LTFT questions on LS1
in
GM V8 Tuning - Engine, Gas (Gen 3)
Good morning fellas. Can you guys help me with sharing some of your experience? I have a few questions and if you would rather me start separate...
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1 replies | 23 view(s)
1 Hour Ago
melition
replied to a thread
Checksum error med 9.1
in
Audi/VW
did you ever find a solution? i am dealing with the same thing, p0601 and epc errors with running rough. reflashed the ecu to stock and its good to...
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11 replies | 4022 view(s)
1 Hour Ago
pms007
started a thread
6r80 performance issue
in
Ford Tuning - Transmission
I have a everest with 2.2 Diesel mated to 6R80 for some time and its getting worst . My observations are , low rpms not much pull, engine surge to...
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0 replies | 12 view(s)
1 Hour Ago
bjhatley
replied to a thread
5vdc source for fuel pressure transducer.
in
GM V8 Tuning - Engine, Gas (Gen 3)
Looks like for a/c pin 45 blue -5v reference Pin 14 red - sensor signal Is this correct? Just ground the ground ?
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11 replies | 2441 view(s)
1 Hour Ago
400Horses
replied to a thread
Getting back to tuning
in
GM V8 Tuning - Engine, Gas (Gen 3)
The Stoich for the original base tune from the truck was adjusted and given to me by the engine builder. it was dropped to 14.08 from the 14.7 that...
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14 replies | 204 view(s)
1 Hour Ago
edcmat-l1
replied to a thread
New engine and 4l60e combo, slipping in 4th
in
GM V8 Tuning - Engine, Gas (Gen 3)
First, is it a multi disc TCC that's built to be locked up under power? If not you'll hurt it. If it is, and it's slipping 15-1700 rpm, that's not...
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18 replies | 400 view(s)
1 Hour Ago
edcmat-l1
replied to a thread
LQ4 swapped S10 with supercharger installed and P0102
in
GM V8 Tuning - Engine, Gas (Gen 3)
LT4 is 1.7 litre
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8 replies | 114 view(s)
1 Hour Ago
blindsquirrel
replied to a thread
LQ4 swapped S10 with supercharger installed and P0102
in
GM V8 Tuning - Engine, Gas (Gen 3)
A 1.9L LSA is only 115ci per rev.
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8 replies | 114 view(s)
1 Hour Ago
abc
replied to a thread
New engine and 4l60e combo, slipping in 4th
in
GM V8 Tuning - Engine, Gas (Gen 3)
I'm gonna attempt to put a close/resolution to this thread but I will leave it with one question. I learned from talking to some very experienced...
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18 replies | 400 view(s)
2 Hours Ago
Jabootydawiz
replied to a thread
5.3 Gt45 newb
in
GM V8 Tuning - Engine, Gas (Gen 3)
Right on I?ll take some spring out of the wastegate. Found a leaky o-ring on the fuel damper too
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133 replies | 13006 view(s)
2 Hours Ago
rabbs88
replied to a thread
Getting back to tuning
in
GM V8 Tuning - Engine, Gas (Gen 3)
Stoich for gasoline is 14.7 and you tuned it to 13.8 - 14.2 so that's why it's reading rich. Gotta Start using lambda. O2 sensors read in lambda...
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14 replies | 204 view(s)
2 Hours Ago
edcmat-l1
replied to a thread
Bad E38 ECM?
in
GM V8 Tuning - Engine, Gas (Gen 4)
^^^ Once you do this, it's gonna run pretty bad. The VVE table is less than accurate.
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10 replies | 118 view(s)
2 Hours Ago
aceharly
started a thread
Throttle reads 155% at WOT
in
GM V8 Tuning - Engine, Gas (Gen 3)
OK, gonna start off with a thanks to everyone that helps people like me. I have a 2010 JK with a 2004 Chevy 2500 6.0L (trucknorris cam)/4L80E and...
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1 replies | 21 view(s)
2 Hours Ago
edcmat-l1
replied to a thread
Bad E38 ECM?
in
GM V8 Tuning - Engine, Gas (Gen 4)
THE CEL is most likely lit up because it has the MAF failed but all the MAF codes set to no error reported. Set them to "MIL on first error" then...
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10 replies | 118 view(s)
2 Hours Ago
edcmat-l1
replied to a thread
Bad E38 ECM?
in
GM V8 Tuning - Engine, Gas (Gen 4)
Even worse than that it's dead ass lean in boost @ 3000 rpm. Check at the cursor. 155 Kpa, dead lean and about 23 degrees of timing commanded....
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10 replies | 118 view(s)
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