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Forum: Software Tuning

06-15-2018, 09:50 PM

Replies: 78

Fuel Consumption went up after the header+tune?

Views: 16,423

Posted By steve99

The best option would be that the primary 02...

The best option would be that the primary 02 sensor was placed in a position downstream of the collector amd before any cats. However thats not the situation with the vast majority of headers and...

Forum: Software Tuning

06-15-2018, 11:12 AM

Replies: 78

Fuel Consumption went up after the header+tune?

Views: 16,423

Posted By steve99

In theory you could do that, you would need...

In theory you could do that, you would need extension to the front 02 sensor wiring

you would also want to remove the inclination.

Id also suggest that even if you did all that because the...

Forum: Software Tuning

06-14-2018, 05:59 PM

Replies: 78

Fuel Consumption went up after the header+tune?

Views: 16,423

Posted By steve99

I think everyone has good points and there is no...

I think everyone has good points and there is no perfect solution, unless you had one o2 sensor in each runner for each cylinder.

Its best to put it close to exhaust ports
You probably get a more...

Forum: Software Tuning

06-14-2018, 03:57 AM

Replies: 78

Fuel Consumption went up after the header+tune?

Views: 16,423

Posted By steve99

If its in rear 02 sensor its ok but not needed. ...

If its in rear 02 sensor its ok but not needed.

If its in front 02 sensors its going to stuff up the sensor reading , front 02 is the main fueling sensor

Forum: Software Tuning

06-13-2018, 09:50 PM

Replies: 78

Fuel Consumption went up after the header+tune?

Views: 16,423

Posted By steve99

are you on stock oft tune ?? which revision v4 ?

are you on stock oft tune ?? which revision v4 ?

Forum: Software Tuning

06-13-2018, 03:44 AM

Replies: 78

Fuel Consumption went up after the header+tune?

Views: 16,423

Posted By steve99

I get about 21 round town and 27 mpg highway on...

I get about 21 round town and 27 mpg highway on e85 and thats true 85% ethanol on lower ethabol content yoyu would get a little better my own tune thouon track it drops to 8 mpg

Forum: Software Tuning

06-11-2018, 05:46 PM

Replies: 78

Fuel Consumption went up after the header+tune?

Views: 16,423

Posted By steve99

Shops were putting right angled spacer in front...

Shops were putting right angled spacer in front o2 so they could fit sensor in easier, seen it done three times now on x force header, as with that header you cannot get sensor in when header on car...

Forum: Software Tuning

06-11-2018, 05:07 PM

Replies: 78

Fuel Consumption went up after the header+tune?

Views: 16,423

Posted By steve99

If you get way worse fuel economy after...

If you get way worse fuel economy after installing header, cgeck your ltft if its running high like 10% or npre especially at lower. \rpm, you likely jave amd exhaust leak. Generally this wil caise...

Forum: Software Tuning

06-11-2018, 01:51 AM

Replies: 78

Fuel Consumption went up after the header+tune?

Views: 16,423

Posted By steve99

Keep the closed loop fueling as lean as possible...

Keep the closed loop fueling as lean as possible in the load rpm range where you do your city and highway Cruise.

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