L8 remapping?
07-08-2010, 05:33 PM
#1
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L8 remapping?
Just wondering how far on the mapping game has come on.
My engine was originally mapped by Ahmed Bayjoo on an engine dyno a few years back using L8, grey injectors for a 400bhp output,question is would it be worth having it remapped mabe with different injectors ect to make it better on fuel ect.
PS:The Co has always been 4.5 with this chip,can this be improved on?
My engine was originally mapped by Ahmed Bayjoo on an engine dyno a few years back using L8, grey injectors for a 400bhp output,question is would it be worth having it remapped mabe with different injectors ect to make it better on fuel ect.
PS:The Co has always been 4.5 with this chip,can this be improved on?
07-08-2010, 06:01 PM
#3
I do hope that's not the idle CO ?, if so it's a piss take imo.
I was on greys T34.48, with a 200,000 miles engine(head was done, but original bores,piston, rings), so worn that it nearly was too worn to get a clean bore with 1st oversize and nearl skipped that to 2nd size!!
This was putting out 0.97% CO, 137 PPM on greys, unadjusted for mot, pisses through the mot, I could adjust it on the lappy if needed, but not needed.
THIS IS NOT ON CLOSED LOOP, although that is a feature that I have on ecu it is not enabled.
Did I forget to mention that I was on a different ecu ?
My car ran 100% perfect, would return 40+ mpg on a run, and didn't have a single hiccup anytime anywhere, would pull 100% cleanly from 900 rpm top gear hot or cold
I would say the greys are perfectly able to do the job perfectly, so if you have them I wouldn't swap, IF mapped correctly you can get good results on a good ecu with greys, if buying from scratch I would get siemens only as they are still made whereas the greys are not.
tabetha
I was on greys T34.48, with a 200,000 miles engine(head was done, but original bores,piston, rings), so worn that it nearly was too worn to get a clean bore with 1st oversize and nearl skipped that to 2nd size!!
This was putting out 0.97% CO, 137 PPM on greys, unadjusted for mot, pisses through the mot, I could adjust it on the lappy if needed, but not needed.
THIS IS NOT ON CLOSED LOOP, although that is a feature that I have on ecu it is not enabled.
Did I forget to mention that I was on a different ecu ?
My car ran 100% perfect, would return 40+ mpg on a run, and didn't have a single hiccup anytime anywhere, would pull 100% cleanly from 900 rpm top gear hot or cold
I would say the greys are perfectly able to do the job perfectly, so if you have them I wouldn't swap, IF mapped correctly you can get good results on a good ecu with greys, if buying from scratch I would get siemens only as they are still made whereas the greys are not.
tabetha
Last edited by tabetha; 07-08-2010 at 06:03 PM.
07-08-2010, 06:51 PM
#4
Wahay!! I've lost my Virginity!!
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Join Date: Feb 2010
Location: UK
Posts: 53
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I do hope that's not the idle CO ?, if so it's a piss take imo.
I was on greys T34.48, with a 200,000 miles engine(head was done, but original bores,piston, rings), so worn that it nearly was too worn to get a clean bore with 1st oversize and nearl skipped that to 2nd size!!
This was putting out 0.97% CO, 137 PPM on greys, unadjusted for mot, pisses through the mot, I could adjust it on the lappy if needed, but not needed.
THIS IS NOT ON CLOSED LOOP, although that is a feature that I have on ecu it is not enabled.
Did I forget to mention that I was on a different ecu ?
My car ran 100% perfect, would return 40+ mpg on a run, and didn't have a single hiccup anytime anywhere, would pull 100% cleanly from 900 rpm top gear hot or cold
I would say the greys are perfectly able to do the job perfectly, so if you have them I wouldn't swap, IF mapped correctly you can get good results on a good ecu with greys, if buying from scratch I would get siemens only as they are still made whereas the greys are not.
tabetha
I was on greys T34.48, with a 200,000 miles engine(head was done, but original bores,piston, rings), so worn that it nearly was too worn to get a clean bore with 1st oversize and nearl skipped that to 2nd size!!
This was putting out 0.97% CO, 137 PPM on greys, unadjusted for mot, pisses through the mot, I could adjust it on the lappy if needed, but not needed.
THIS IS NOT ON CLOSED LOOP, although that is a feature that I have on ecu it is not enabled.
Did I forget to mention that I was on a different ecu ?
My car ran 100% perfect, would return 40+ mpg on a run, and didn't have a single hiccup anytime anywhere, would pull 100% cleanly from 900 rpm top gear hot or cold
I would say the greys are perfectly able to do the job perfectly, so if you have them I wouldn't swap, IF mapped correctly you can get good results on a good ecu with greys, if buying from scratch I would get siemens only as they are still made whereas the greys are not.
tabetha
Its always run rough around 1800rpm aswell but pulls cleanly after,was told this was a character of 403's?
It deffo does not get 40mpg on a run.
07-08-2010, 07:55 PM
#6
How a injector is supposed to be like that is beyond me!!
What you were told is complete shit basically, either that or the mapping was/is shit, or there is a problem with the car, that they couldn't give a shit about or fix, some tuners expect you to believe shit just because it's them saying it, and some lie, a lot.
I laugh at mot time, at other people cossies that is!!
A glitch around 1800 could be something easy like the tps having a dead spot, mine did on the L6, but fuelling was so shit, as in way too much, on msd/ggr chip even when running correct co that it effectively masked a lot of it problem wise.
When I put my emerald K3 on there there "glitch" was now so bad with the much finer better fuelling when being mapped we couldn't even drive through it, had to put on a new universal tps, then take 30 seconds to set up tps alignment with the laptop with the cable/software supplied, best thing I ever ditch was ditch the L6, I get average of 150 miles per tank more mpg now.
tabetha
What you were told is complete shit basically, either that or the mapping was/is shit, or there is a problem with the car, that they couldn't give a shit about or fix, some tuners expect you to believe shit just because it's them saying it, and some lie, a lot.
I laugh at mot time, at other people cossies that is!!
A glitch around 1800 could be something easy like the tps having a dead spot, mine did on the L6, but fuelling was so shit, as in way too much, on msd/ggr chip even when running correct co that it effectively masked a lot of it problem wise.
When I put my emerald K3 on there there "glitch" was now so bad with the much finer better fuelling when being mapped we couldn't even drive through it, had to put on a new universal tps, then take 30 seconds to set up tps alignment with the laptop with the cable/software supplied, best thing I ever ditch was ditch the L6, I get average of 150 miles per tank more mpg now.
tabetha
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08-08-2010, 08:05 AM
#8
The mileage was calculated by using brim to brim fill at the same garage and worked out at 40.8MPG, which when I did maths was 40+, was your maths different then ?
This also was not what a lot would consider a "run" I used from Norfolk the A47, A17, A55, through Lincoln city centre, then the normal coast roads after that, a total distance each way of around 180 miles, time was around a tad under 4 hours from memory.
I HAVE THE MOT PRINTOUT AND AM VERY VERY VERY VERY HAPPY TO LET SOMEONE POST IT UP ON HERE SHOULD YOU WISH TO VIEW IT, just pm me and I'll email it to you, along with the receipt to show the new engine parts bought to replace the old worn parts.
REMEMBER THIS WAS ON A 200,000 MILE ENGINE, running to perfection, only "odd" thing was I had to in the winter add shed loads more fuel, but then rings were knackered along with pistons/bores.
After 200,973 miles(must get it exact for you) the crank is on the STANDARD GRIND on both big ends and mains, as are little ends, the 200,973 miles thrusts are being re-used also.
I have the complete history from day one so I can vouch that within around 5K miles the reading is correct, had a different speedo at around 130,000 with coloured dials.
have you sent your pm yet ?
Once run in I'm having a bash at cracking mpg heaven with the car just to see what it will do, THIS IS NOT ON CLOSED LOOP BUT IS MAPPED CORRECTLY, closed loop is but a click away on the laptop but does nothing for me.
tabetha
This also was not what a lot would consider a "run" I used from Norfolk the A47, A17, A55, through Lincoln city centre, then the normal coast roads after that, a total distance each way of around 180 miles, time was around a tad under 4 hours from memory.
I HAVE THE MOT PRINTOUT AND AM VERY VERY VERY VERY HAPPY TO LET SOMEONE POST IT UP ON HERE SHOULD YOU WISH TO VIEW IT, just pm me and I'll email it to you, along with the receipt to show the new engine parts bought to replace the old worn parts.
REMEMBER THIS WAS ON A 200,000 MILE ENGINE, running to perfection, only "odd" thing was I had to in the winter add shed loads more fuel, but then rings were knackered along with pistons/bores.
After 200,973 miles(must get it exact for you) the crank is on the STANDARD GRIND on both big ends and mains, as are little ends, the 200,973 miles thrusts are being re-used also.
I have the complete history from day one so I can vouch that within around 5K miles the reading is correct, had a different speedo at around 130,000 with coloured dials.
have you sent your pm yet ?
Once run in I'm having a bash at cracking mpg heaven with the car just to see what it will do, THIS IS NOT ON CLOSED LOOP BUT IS MAPPED CORRECTLY, closed loop is but a click away on the laptop but does nothing for me.
tabetha
Last edited by tabetha; 08-08-2010 at 08:08 AM.
08-08-2010, 10:27 AM
#9
I've found that life I needed.. It's HERE!!
I am willing to believe a lot on weekdays, and twice as much on sundays.
But a 360 mile trip in under 4 hours, that's an average of more than 90mph.
You'de be lucky to get 20mpg.
If I were you, I would get the odometer recalibrated.
But a 360 mile trip in under 4 hours, that's an average of more than 90mph.
You'de be lucky to get 20mpg.
If I were you, I would get the odometer recalibrated.
08-08-2010, 10:51 AM
#10
Just wondering how far on the mapping game has come on.
My engine was originally mapped by Ahmed Bayjoo on an engine dyno a few years back using L8, grey injectors for a 400bhp output,question is would it be worth having it remapped mabe with different injectors ect to make it better on fuel ect.
PS:The Co has always been 4.5 with this chip,can this be improved on?
My engine was originally mapped by Ahmed Bayjoo on an engine dyno a few years back using L8, grey injectors for a 400bhp output,question is would it be worth having it remapped mabe with different injectors ect to make it better on fuel ect.
PS:The Co has always been 4.5 with this chip,can this be improved on?
where in the uk are you?
ahmed is one of the best in the business but that is not a charater of greys, they can be mapped like any other injector
08-08-2010, 03:09 PM
#11
I thought it was VERY clear that the 4 hours was EACH way, I would find it a bit odd for someone to use the term EACH WAY if they were not stopping for some reason at what was obviously their destination, other wise it would have been a 360 journey, maybe it is my wording, the destination as seen other other threads was Scarborough/Yorkshire from Watton/Norfolk.
When doing the trip in the astra 1.4 auto it takes around 4 1/4 - 4 1/2 hours and does 36mpg, but is auto, so was more than happy with the cossie anyway.
Mileage obtained from sat nav not odo.
tabetha
When doing the trip in the astra 1.4 auto it takes around 4 1/4 - 4 1/2 hours and does 36mpg, but is auto, so was more than happy with the cossie anyway.
Mileage obtained from sat nav not odo.
tabetha
05-04-2011, 10:14 PM
#13
I was tempted then to write a teal nice tech related post about emission control and why running leaner than lambda 1 isn't particularly good, and also dig into how many break points tabetha must have in his fuel table if closed loop has no effect,
But he would never answer anyway, so I won't waste my time. Instead I will just laugh at the caps he used almost shouting lol
Did he ever tell you he had one of our chips and it was no good on his car? Although it was a spec we have done hundreds of trouble free? But now has posted about a dead tps? I wonder why it didn't work? I wonder what else was wrong?
It's no wonder he doesn't want to use closed loop, that would mean buying a lambda sensor, lol, obviously not one to part with cash easily if he re uses £10 thrust bearings after a 200k mile rebuild? Lol
Don't tell me he re used the big end shells too by filling the gap with kit Kat wrapping?
But he would never answer anyway, so I won't waste my time. Instead I will just laugh at the caps he used almost shouting lol
Did he ever tell you he had one of our chips and it was no good on his car? Although it was a spec we have done hundreds of trouble free? But now has posted about a dead tps? I wonder why it didn't work? I wonder what else was wrong?
It's no wonder he doesn't want to use closed loop, that would mean buying a lambda sensor, lol, obviously not one to part with cash easily if he re uses £10 thrust bearings after a 200k mile rebuild? Lol
Don't tell me he re used the big end shells too by filling the gap with kit Kat wrapping?
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