Vlad's rides thread

[vlad01]

The idle is around 850 at that point so it will interpolate a fraction of the that 16 cell.

[vlad01]

So I reckon I got my charge temp table good. Now after I came back later i found it now runs really lean with the same charge temps. This is probably from the heat soak but logic tells me it should run richer as the air is less dense?

So this the coolant contribution table yeah? had a look at it and Im lost lol.

[vlad01]

Here is the slightly altered tune and logs.

you can seen in log 10 that its a bit lean as the engine has been heat soaked few time before.

2nd log is 10 min off time and restart. Its stupidly lean. I dont get why its so lean. I played with the coolant contribution table going one extreme values both way to see what change it has, pretty much unnoticeable changes.


from a stone cold stat its bang on until it reaches peak temp and still stable. Only after being turned off for 10-30 min does it go very lean until about 10 min of running where it goes back to normal.

The VR never did this lol. I think the engine might be F**ked as its so unstable.

[Holden202T]

1200 at 40kpa.

I see the bubble just nicking that cell.

you might need to make the lean cruise cut in at higher revs to stop it getting to that cell when the car is not moving ?

I guess this is another reason for the lean cruise to only apply under certain conditions .....

maybe better to make the lean cruise come on really fast with its normal tables so you can then avoid having it effect other stuff like this ?

[vlad01]

1200 at 40kpa.

I see the bubble just nicking that cell.

you might need to make the lean cruise cut in at higher revs to stop it getting to that cell when the car is not moving ?

I guess this is another reason for the lean cruise to only apply under certain conditions .....

maybe better to make the lean cruise come on really fast with its normal tables so you can then avoid having it effect other stuff like this ?

The problem is its applying that when its in closed idle. So it shouldn't even be looking at the main table.

[Holden202T]

yeah but if its going from cold afr table to main afr table wouldn't it do that ?

thing im not sure about is if its cold then goes to the main table (at 44deg) does it mean it goes to the main table, then after the 20 seconds or whatever it is, it switches to the idle afr table ?

closed loop idle only means its controlling idle speed with spark and IAC doesn't it ? un-related to anything else.

[vlad01]

yeah but if its going from cold afr table to main afr table wouldn't it do that ?

thing im not sure about is if its cold then goes to the main table (at 44deg) does it mean it goes to the main table, then after the 20 seconds or whatever it is, it switches to the idle afr table ?

closed loop idle only means its controlling idle speed with spark and IAC doesn't it ? un-related to anything else.

It shouldn't even use the main table until the throttle is opened. So at closed loop idle it just uses the idle AFR table. There is a table will all temps and AFRs just more idle. It also only does it once for 20 sec and resumes the idle table never to do it again.

[vlad01]

So I got some welsh plugs locally for the oil galleries. They are just standard 15mm plugs, the holes are 14.75mm.

Did a partial test fit and the go in nice and snug without being to hard to get in. Sacrificed one for the test. Got extra for future engines but they are easy to get it seems unlike what Duggan's said. They said to reuse the old ones as they are hard to get lol, being odd size supposedly?

IMG_2495_zps0bjofmqe.jpg (157.13 KiB) Viewed 3727 times

One on the left sideways is the one I tested. Steel ones are the originals.

[Holden202T]

I've never had an issue getting welsh plugs for the v6's ?

my thought with the AFR's on warm up, is that its using the cold afr table till 44 degrees then it switches to main AFR table, then after 20 seconds (that's the default) it goes to idle afr table.

I normally change the 20 to 5 but I have also never noticed what you are noticing, its probably happening, just never been looking.

VL400 would hopefully be able to say weather it transitions from the cold to main then to idle or not ??

[TdracerTd]

i had to change a flag to get mine to use the closed throttle ve table. Not sure if that's what you guys are talking about. It's all a bit high level for me.