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Search: Posts Made By: JR-Vette
Forum: LT1 (6.2L V8) Powertrain and Drivetrain Discussions 05-21-2013, 09:18 PM
Replies: 77
Views: 15,999
Posted By JR-Vette
For 1 you do not have a functional C7 PCM, you...

For 1 you do not have a functional C7 PCM, you have a static paper weight
PCM is not the commander/router of the car it is the BCM.

Looking at a PCM static and OFF-board says nothing
E92 has...
Forum: LT1 (6.2L V8) Powertrain and Drivetrain Discussions 05-21-2013, 07:38 PM
Replies: 77
Views: 15,999
Posted By JR-Vette
Hate to tell you but the C7 uses a different...

Hate to tell you but the C7 uses a different process and looking at E92s used for the last 3 years means zero.
You cannot predict an unknown and guessing does not cut it.
As to CVN, you need to...
Forum: LT1 (6.2L V8) Powertrain and Drivetrain Discussions 05-21-2013, 07:28 PM
Replies: 77
Views: 15,999
Posted By JR-Vette
Total bunk and nothing but marketing ploy to suck...

Total bunk and nothing but marketing ploy to suck people into taking a rev .0, C7 spend 50-70K to buy and then have some hackers down in aussieland who can care less about car owners warranty or USA...
Forum: LT1 (6.2L V8) Powertrain and Drivetrain Discussions 05-21-2013, 11:50 AM
Replies: 77
Views: 15,999
Posted By JR-Vette
You overlooked the part where they have NOT done...

You overlooked the part where they have NOT done this for the C7 and they admit GM can tell PCM was tuned even if the stock flash is put back on

Quote
"The 5.3L L83 is E85 capable and uses a...
Forum: Camaro Issues / Problems | Warranty Discussions | TSB and Recalls 05-13-2013, 08:18 PM
Replies: 4
Views: 406
Posted By JR-Vette
Follow-up After seeing the wiring drawings for...

Follow-up
After seeing the wiring drawings for A/C it was found that one of the wires to high side pressure sensor had a bad crimp of wiring pin.

Once fixing that the A/C runs fine now

This...
Forum: Camaro Issues / Problems | Warranty Discussions | TSB and Recalls 05-11-2013, 07:02 PM
Replies: 4
Views: 406
Posted By JR-Vette
It's not my car thus the owner will have to go to...

It's not my car thus the owner will have to go to the only Chevy dealer in their area

You would have thought to prevent problems that the dealer in state of Ca who sold this new 2013 would have...
Forum: Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons 05-11-2013, 06:19 PM
Replies: 9
Views: 489
Posted By JR-Vette
Air Inlet - Is this Normal ?

Brand new 2013 Camaro - LS3.

Is this normal where the inlet to aircleaner box just dead ends and sucks in upper engine heated air ?

Owner just bought this 2013 this week and when custom PCM...
Forum: Camaro Issues / Problems | Warranty Discussions | TSB and Recalls 05-11-2013, 05:27 PM
Replies: 4
Views: 406
Posted By JR-Vette
Brand New 2013 with 1LT A/C no works unless

Brand new, Owner lives in OR but bought this 2013 from a dealer in Ca
Arrived with about 200 miles on it and you'd think the dealer would have checked all functions of the car but did not

A/C...
Forum: Corvette Stingray C7 General Discussions 05-09-2013, 06:53 PM
Replies: 7
Views: 6,794
Posted By JR-Vette
Depending on person's height, how they setup...

Depending on person's height, how they setup seat, if they race and use a race helmet
Since the Lexan does not have a inside liner like the solid top does it gives a bit more head room
If in doubt...
Forum: LT1 (6.2L V8) Powertrain and Drivetrain Discussions 04-28-2013, 04:56 PM
Replies: 77
Views: 15,999
Posted By JR-Vette
Your behind the times, EPA/SAE if you want to...

Your behind the times,
EPA/SAE if you want to call it OBD-III or another name requires wireless.

The whole purpose of the requirement nameplates use wireless was multi purpose but one of course...
Forum: LT1 (6.2L V8) Powertrain and Drivetrain Discussions 04-14-2013, 06:25 PM
Replies: 77
Views: 15,999
Posted By JR-Vette
Everyone ? Not hardly, everyone, meaning all...

Everyone ?

Not hardly, everyone, meaning all of us who have been custom tuning back to the old E-prom ECMs of 1980s never had a issue tuning any of the ones you mention and the tools like...
Forum: LT1 (6.2L V8) Powertrain and Drivetrain Discussions 04-05-2013, 12:16 PM
Replies: 77
Views: 15,999
Posted By JR-Vette
The more that is found out about C7 design the...

The more that is found out about C7 design the more unknowns there is about tuning, control and what new controllers there are which will not be touched by the PCM itself.

Tenneco announced it...
Forum: LT1 (6.2L V8) Powertrain and Drivetrain Discussions 04-03-2013, 09:50 PM
Replies: 77
Views: 15,999
Posted By JR-Vette
If you do an internet search for "E92 ECM" there...

If you do an internet search for "E92 ECM" there is a ton of info out there from countless people trying to hack or backward engineer for E92 and failed

Here is one thread ...
Forum: LT1 (6.2L V8) Powertrain and Drivetrain Discussions 04-03-2013, 01:55 PM
Replies: 77
Views: 15,999
Posted By JR-Vette
I suggest you do more homework as the C7 uses the...

I suggest you do more homework as the C7 uses the Siemans PCM from Europe, not Bosch and it has been used for 3 years over there and not one person has cracked it, nor how the PCM has to connect and...
Forum: Corvette Stingray C7 General Discussions 03-06-2013, 09:57 PM
Replies: 27
Views: 4,043
Posted By JR-Vette
The same E92 or E95 PCM that will be used in the...

The same E92 or E95 PCM that will be used in the C7 has been used in Europe for over 2 years now and no one has been able to crack it

It is not as easy as someone ripped off GM's security seed as...
Forum: Tuning / Diagnostics -- engine and transmission 06-06-2012, 09:21 PM
Replies: 3
Views: 587
Posted By JR-Vette
Thanks, Yes it is E67 I was able to track that...

Thanks,
Yes it is E67 I was able to track that down and then custom tune a 2012 ZL1.
Forum: Tuning / Diagnostics -- engine and transmission 06-04-2012, 04:48 PM
Replies: 3
Views: 587
Posted By JR-Vette
Which PCM used for 2012 ZL1 ?

Hi,
Which PCM does the 2012 ZL1 with manual trannie use ?
Is it a E67 like a Corvette ZR1 ?

If not which PCM and other makes that also use that PCM ?

Thanks,
Forum: Forced Induction - V8 11-06-2011, 04:42 PM
Replies: 34
Views: 2,132
Posted By JR-Vette
As it states the fuel system controller commands ...

As it states the fuel system controller commands pulse-width modulated to pump, so as engine load increases the controller ups the fuel rail pressure from 58 to 65 PSI
Better is ZR1 system as...
Forum: Forced Induction - V8 11-06-2011, 12:48 PM
Replies: 34
Views: 2,132
Posted By JR-Vette
108 lb/hr fuel injector is suited for 1,300 HP...

108 lb/hr fuel injector is suited for 1,300 HP engines

How many really need that sized injector and fail to see when the injector is so big for even 600 HP that the pulse width ON time is so small...
Forum: Forced Induction - V8 11-05-2011, 07:49 PM
Replies: 34
Views: 2,132
Posted By JR-Vette
Not all is true what vendors tell a car owner...

Not all is true what vendors tell a car owner installing mods
Have you read the flow rating

1000cc (95lb) AT 43.5 PSI THESE FLOW 108LB/HR IN AN LS RAIL RUNNING 58 PSI FUEL PRESSURE.

Ask them...
Forum: Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons 11-05-2011, 07:29 PM
Replies: 4
Views: 635
Posted By JR-Vette
02 sensor placement map B1 is where...

02 sensor placement map

B1 is where cylinder 1 is so for GM that is drivers side which leave
B2 for passenger side

S1 is before (upstream) the CAT
S2 is after (downstream) the CAT

As...
Forum: Tuning / Diagnostics -- engine and transmission 11-01-2011, 08:43 PM
Replies: 61
Views: 5,382
Posted By JR-Vette
Yes if you mean the flip is with another front,...

Yes if you mean the flip is with another front, same for rear but most cases fronts have a different connector shape then the rears and if so then a rear could not be swapped with a front.
So a...
Forum: Tuning / Diagnostics -- engine and transmission 11-01-2011, 03:00 PM
Replies: 61
Views: 5,382
Posted By JR-Vette
Many times a +25 ( that is the highest value PCM...

Many times a +25 ( that is the highest value PCM will report so it could even be higher) is from Ethanol in gas that sensors and PCM cannot react to.
If long terms are that high but short terms are...
Forum: Tuning / Diagnostics -- engine and transmission 11-01-2011, 02:40 PM
Replies: 61
Views: 5,382
Posted By JR-Vette
You cannot make that a general statement as...

You cannot make that a general statement as makers of 02 sensors themselves spec 02 sensors to work well below 30,000 miles.
You cannot expect living in 900-1200 degrees not to degrade and since 02...
Forum: Tuning / Diagnostics -- engine and transmission 11-01-2011, 02:24 PM
Replies: 61
Views: 5,382
Posted By JR-Vette
Consider there is a air channel between the wire...

Consider there is a air channel between the wire and the insulation, once the wires get twisted the insulation may not return back to shape and the air path is still cut off.
You might check them...
Forum: Tuning / Diagnostics -- engine and transmission 11-01-2011, 02:04 PM
Replies: 19
Views: 1,008
Posted By JR-Vette
Since CATs used by nameplates by federal law have...

Since CATs used by nameplates by federal law have to be warranted 8 years and how close the PCM keeps the AFR to have cleaner exhausts they do not degrade as badly as older CAT designs.
What...
Forum: Tuning / Diagnostics -- engine and transmission 10-31-2011, 11:12 PM
Replies: 19
Views: 1,008
Posted By JR-Vette
Design of CATs today do not reduce performance so...

Design of CATs today do not reduce performance so leave them
In fact the 2012 Corvette now has 4 CATs and there is zero performance loss over pre 2012 LS3s.
Forum: Tuning / Diagnostics -- engine and transmission 10-31-2011, 11:10 PM
Replies: 5
Views: 676
Posted By JR-Vette
You need to be more concerned on how much ethanol...

You need to be more concerned on how much ethanol % is in gas.
Damn feds approved cars newer then 2000 for E15 or 15% ethanol.
More ethanol % the leaner engine will be running, the fuel mileage...
Forum: Tuning / Diagnostics -- engine and transmission 10-31-2011, 11:05 PM
Replies: 61
Views: 5,382
Posted By JR-Vette
The PCM trips a lean error code not at above +25...

The PCM trips a lean error code not at above +25 lean but +13%
CATs convert and if EPA allowed the PCM to accept +25 the CAT would convert and send out exhaust way beyond the EPA allowed emissions...
Forum: Tuning / Diagnostics -- engine and transmission 07-07-2011, 05:54 PM
Replies: 26
Views: 1,946
Posted By JR-Vette
Not correct, The PCM was NEVER designed to...

Not correct,

The PCM was NEVER designed to adjust for best performance but rather just to meet EPA and smog requirements and to function within the FTP ( federal tests) which is 1 1/2 times of...
Showing results 1 to 30 of 164

 
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