L76 tune

[Tenrocca]

My Ecu is on the way to the tuner, and i need to know what to tell him I need. This is what I can think of:

VATS off
No rear O2 sensors
No aircon\cruise control
One fan switched off the high speed pin (temp 95 deg?)
Intake\header details
Wipe it over with the magic rag

I assume this is the basics to get it to run, then after that he puts a decent tune in for a stock engine with MAF - any thing else you guys can think of?



Cheers

[HSVREDSLED]

Originally Posted by Tenrocca

My Ecu is on the way to the tuner, and i need to know what to tell him I need. This is what I can think of:

VATS off
No rear O2 sensors
No aircon\cruise control
One fan switched off the high speed pin (temp 95 deg?)
Intake\header details
Wipe it over with the magic rag

I assume this is the basics to get it to run, then after that he puts a decent tune in for a stock engine with MAF - any thing else you guys can think of?


Cheers

Just a question...why retain the MAF?

[Tenrocca]

I know opinions vary on this, but advice I have on this is that the L76 100mm maf restircts airflow very little, and the benefit of having it outways a few extra kW. I need it for engineering anyway (I know I could mock it up) so have decided to put it in and leave it for now.

[sideshow]

after u get the car started u need to get a scanner onto to it

then get all the error codes that it throws out and write them down

then find which ones are not applicable then resend the ecu to the tuner and get him to turn them off

all the ecus i get these days have my custom tune which actually fixes the fan problem on some tunes

[Doubledip]

as sideshow said you really need to stick a scanner on it once you get it back and started so you can see the rest of the codes that are on it..

there will be a few "lost coms with" errors for all the other devices that you ECU cant talk to like ABS and BCM

there will be a crank relearn code if the PCM is brand new

possibly a few fuel level sender errors

generator light, starter relay circuit maybe

those are just a few that will more than likely pop up.

[Tenrocca]

Some good tips - thanks - Look like its a matter of letting the tuner know everything Ive left off from standard wiring.

Technical Q -Do you guys hook up X1-9 to the brake switch - someone told me that may be used in throttle control - or is it just used by cruise control?

[sideshow]

cruise and aslo for diagnosing with tech 2

[Tenrocca]

So worth putting in then?

[Doubledip]

its used for cruise and power tourqe management.

if the tuner puts a tune in the for some decent power then he will disable torque management any way (easy way to make the engine feel like a totally different beast) .. so leave it out.

if you dont mind me asking who are you using to tune it?

[Tenrocca]

Oztrack. Pretty well known on the LS1 forum - Sort of stumbled onto gettig a tune from him.

As an aside -I recognise your nickname from LS1.com - so Im sure you know of oztrack - we have conversed a number of times on L76 conversions over there - i have a feeling we may have met before too...Ill send you a PM.

Cheers.

[Doubledip]

Yes ... know Steve he is a great tuner. He will be able to sort out all your probs.

[HSVREDSLED]

Originally Posted by Tenrocca

Oztrack. Pretty well known on the LS1 forum - Sort of stumbled onto gettig a tune from him.

As an aside -I recognise your nickname from LS1.com - so Im sure you know of oztrack - we have conversed a number of times on L76 conversions over there - i have a feeling we may have met before too...Ill send you a PM.

Cheers.

Good choice. Steve did my tune. You are right about the less restrictive MAF in the L76. If Steve has advised you to leave it in, far from it for me to argue.

[sideshow]

good thing with goin mafless is u save 250 bucks on having to buy a maf meter and u dont have to wire up the missing maf plug

i have 2 sets of ecus

one for maf and another set for mafless

and when u run mafleess we then wire up an ls1 air temp sender in place of the maf meter cause once u remove the maf u loose the air temp sender

[HSVREDSLED]

Originally Posted by sideshow

good thing with goin mafless is u save 250 bucks on having to buy a maf meter and u dont have to wire up the missing maf plug

i have 2 sets of ecus

one for maf and another set for mafless

and when u run mafleess we then wire up an ls1 air temp sender in place of the maf meter cause once u remove the maf u loose the air temp sender

No shortage of unwanted MAFS over at LS1.com. Mostly they finish up in the bin.

[Rob. Smith]

My Cleveland has no points and runs on cow farts.....no problem ! :P

[sideshow]

maybe u should go see shell or caltex i recon there is a market for cars that run on cow farts

especially with fuel prices these days

[acecob]

Originally Posted by Rob. Smith

My Cleveland has no points and runs on cow farts.....no problem ! :P

[boxhead]

Originally Posted by Rob. Smith

My Cleveland has no points and runs on cow farts.....no problem ! :P

Well that does it, I want a Cleveland.