My last effort

[Schrade]

Originally Posted by Hog

Dyno tuning will only affect WOT tuning, unless its a loaded dyno. Idle and part throttle driving will remain unaffected.

the cirrect way is to have a compete recalibration completed when running mods. WOT tuning is the easiest part of tuning. We dont drive at WOT but for a small percentage while on the road.

Yup - sure is...

Originally Posted by XfireZ51

Not a well known fact, BUT part throttle affects WOT performance. Unless part throttle is done right, you will have variation [DEviation / DEGRADATION] in WOT performance if you run
Closed Loop. If your part throttle BLMs are on the lean side, the ECM compensates for that in its calc for the WOT pulse width. You may THINK you have your WOT tuned for say 12.8:1 but that's not what actually happens when you get on it. You'll be richer than expected.

That's why I'm investigating the stagger @ 1.6 - 2.4% TO, that Marc says is 'normal', and that he says ALL LT5's have...

====================================

Originally Posted by Dynomite

A quick question.....how can a chip change have an effect on a serious oil burning engine when said oil has to come from;

1. Bad Rings (sucks oil on intake stroke from bottom end).
2. Bad Rings (pushes exhaust gases past rings on compression stroke).
3. intake valve guides (sucking oil from under cam covers on intake stroke).
4. PCV system excessive oil fed into Plenum associated with item #2 and #3 above.

OR,

4a) TOO LIGHT-VISCOSITY OIL (which Mark ruled out in HIS case).

Items above assuming no Head Gasket leaks allowing a direct path for oil into the combustion chamber. All items above are mechanical with the so called chip (electrical) solution which has NO effect on rings or valve guides.

We are assuming the "smoke" is Blue and the Oil Loss is real.

I will think further on this but for now I am busy planting corn and beans

[A26B]

Originally Posted by Dynomite

A quick question............

I will think further on this but for now I am busy planting corn and beans

How busy can it be, riding in that air conditioned cab, with quadriphonic stereo, (maybe even satellite TV) and GPs guidance steering the tractor?

When you figure it out, I would like to know too!

[Schrade]

Originally Posted by A26B

How busy can it be, riding in that air conditioned cab, with quadriphonic stereo, (maybe even satellite TV) and GPs guidance steering the tractor?

When you figure it out, I would like to know too!

He's probably hatin' life, with no Drone tractor, rather havin' to put up with a lowly i-Tractor...

Alarm clock (for quittin' time)
Sport bucket seats
Paddle-Shift
10Megs/s weblink for YouTube / ZR1 boards
Blu-Ray / USB / SD/MMC / USB / 32"plasma TV
Domino's
Kindle
Where's the fridge?



Must be pretty indignifying having to hold a tilt-telescoping wheel, instead of a Joy-Stick?

[Kevin]

well this thread got off track..tor just posting for a bad joke not telling anyone to get back on track. Just having fun, carry on

[Schrade]

COPS - Cheese it guys!

[FU]

Originally Posted by Schrade

Well now isn't that a picture of beauty

[Blue Flame Restorations]

Originally Posted by FU

Well now isn't that a picture of beauty

Even a seat for the Mrs.....!

[Hib Halverson]

Originally Posted by Dynomite

A quick question.....how can a chip change have an effect on a serious oil burning engine when said oil has to come from;

1. Bad Rings (sucks oil on intake stroke from bottom end).
2. Bad Rings (pushes exhaust gases past rings on compression stroke).
3. intake valve guides (sucking oil from under cam covers on intake stroke).
4. PCV system excessive oil fed into Plenum associated with item #2 and #3 above.

Items above assuming no Head Gasket leaks allowing a direct path for oil into the combustion chamber. All items above are mechanical with the so called chip (electrical) solution which has NO effect on rings or valve guides.

We are assuming the "smoke" is Blue and the Oil Loss is real.
I will think further on this but for now I am busy planting corn and beans

Located inside the crankcase near the CPS is an undocumented device caledl an
oil vapor inversion initiator valve" (OVIAV) which is controlled by the ECM. On most LT5s, the table which controls that is disabled, but on a few cars, originally sold in certain areas of North America, that system is enabled. If it is enabled and the valve begins to malfunction, oil use skyrockets. Typically, if engine which has had OVAIV disabled for a long time is switched to a cal with the system enabled, it will experience a valve failure in short order. The first cal must have enabled the valve and it failed. Obviously, when "mitsumark" changed to the cal he got from "LGAFF", he got a cal with the OVIAV disabled, again, so oil use went back down.

This post was moderated for "some" of its content. PM sent

[Jagdpanzer]

Well put Hib!
You've got me convinced.

[scottfab]

Originally Posted by Jagdpanzer

Well put Hib!
You've got me convinced.

Agreed. I like it when we get both educated and get to watch
someone get a question really really answered =D>