Delco tuning for for dummys

[Holden202T]

If i ever get the time million projects going through my head

welcome to my world

[Dec_head]

Here is a log using scanner pro and the bin i used can someone please have a look and point out any errors etc thanks

[vn5000]

What type of problems are you having ?

[Dec_head]

Not enough power it is ok at first as it gets warmer it loses lots of power.

And i wanted to see if their was any errors that would cause hesitation on light throttle.

[delcowizzid]

get it upto operating temp and drive it so it can learn or turn VE learn off and log it at operating temp so it shows blm numbers in the histogram windows ide say its major VE table errors it was pulling heaps of fuel out in some ereas once you have a histogram window full of blm values you can tweak the VE table with simple maths.

[Holden202T]

i agree, she needs a bit of ve work .... pretty rich on decel ... have a look at the o2 volts histogram and use the averages ... you'll see alot of figures around 900-700mv in the 20-60kpa areas ... these shouldn't be that rich, and my guess is thats a result of the cam change or manifold etc ... so that means these areas need to be leaned out .... also all the WOT areas are targetting 12.5 AFR and in my opinion you should be see atleast 800mv in most of those cells ... as you'll see your getting some 700mv readings there, while thats probably not unsafely lean it is still leaner than what is being commanded and probably isn't helping.

i'd suggest getting a wideband on there for tweaking the WOT areas, but all the 14.7 areas you should be able to get pretty close with either ve learn or using blms like delcowizzid suggested.

[vn5000]

Man that is a pretty aggressive spark table ,are you sure its not pinging when hot .Noticed you dont have knock sensor set up .
Cant really see any reason for loss of power when hot besides what HOLDEN 202said.
Also why have you changed RESET FUEL INTERGRATOR in blm de and ae ?

[Dec_head]

No idea must have been something i tried with the RESET FUEL INTERGRATOR in blm de and ae i just unticked it all thanks for pointing it out .
Thanks i did read somewhere about the blm and how log it and change it in another thread but can't find it again.
The spark table was from another tune with similar cam no knocking that i can hear i do have a knock sensor but i took it out to fit a different starter as the small one give up and i only had the large one here at the time.
More on the to do list still fit pacemakers wideband knock sensor new engine gearbox mounts as i think i might have broke em already it never ends

[Jayme]

you know there is an identical hole on the other side of the block you can move the knock sensor to
what cam do you have? seriously thats a huge spark table man even for a stock cam, for bigger than stock, esp if you have raised compression runnin 36 deg at 4800rpm (and having 700mv in places at wot) is just

[Holden202T]

i did wonder about compression .... i know my mates vs was pinging when the timing was too high .... its currently 25 degrees at 4800 rpm with 5 degree / 1000rpm extension slope ...

my mates vs has close to 10.3:1 comp though so if yours is lower you can probably get away with a bit more