Mapping

[exwinegtrr33]

I no this is how long is a piece of string but what sort of prices have you payed for a remap 4.5 ive had one @ £ 520 and thats as long as theres nothing else needs doing,
Remaps on my skylines where never no more than 400

stu

Edited by exwinegtrr33 on Thursday 5th November 21:34

[Gazzab]

Be very careful re who does it. The only person I would let map my car has stopped doing it now.
There have been some badly mapped cars that have done engines no good apparently.

[julian64]

Can open, worms all over the place. Whoever posts next is going to need fire insurance

[Byker28i]

For reference, I paid Trackcar £700 for some inlet porting and remapping to suit.

[ro_butler]

Gazzab,

Who is it that has stopped mapping? This is a genuine question and not an attempt to start a flame war. I am not going to comment on the relative merits of any of the parties who provide mapping services.

As a side note it appears that the ECU's can be 'blanked' (possibly by changing the chips) so that they can be live mapped with Easimap. Whether the software will allow you to account for the firing order of a flat plane crank is unclear. However if the above is true then you could map the car yourselves!

I would personally far rather have an 'unmangled' ECU that severely limited my mapping options.

[JensenA]

TCS used to do the mapping services - but he changed jobs and like many others is now working for Gordon Brown Enterprises (UK) Ltd. Great hours, good perks and best of all no hassles

[FUBAR]

AFAIK there are/where only 2 companies that could do true live mapping, the gone but not forgotton Joo and Austec. Remember, live mapping prices are higher than a simple remap as it involves a bespoke (to your car) map set up on the rollers rather than some computer nerd playing around with numbers on a PC.

Id rather (well, did) pay more money and get the work done properly than get someone who thinks they know what they are doing to map it as I too have heard stories of damage to engines.

[fatjon]

I put in an Emerald and took it down to Dave Walker at Emerald. I don't think anyone can question his credentials since he quite literally wrote the book. It was on his RR for about 5 hours for change out of £300 and was spot on at the end, smoother, faster, quieter and an added bonus of an extra few MPG on a (rare) careful run. 10k miles later it's still as good.

[exwinegtrr33]

O I love a can off worms lol'
I dont mind paying for a good map, just trying to find out who;s good and who ent, theres just not as many choices with the Tvr as there was with my other cars, but that comes with the small numbers that where made I suppose, I just dont want to pay for c**p mapping just looking at sums people had themselves payed, (if they want to say) and where they happy with results, And if thats the going rate then ill have to pay it our leave it Hehehehe, and I know this is an open forum and we have to be carefull what we say, Remember the MLR site
And to anyone who's had a tvr for years this is prob old hat stuff so sorry ( nothing wrong with an oldie thu)

Stu

julian64 said:

Can open, worms all over the place. Whoever posts next is going to need fire insurance

[spitfire4v8]

You don't need to be able to live map to do the higher load stuff, but its much more tedious. However live mapping is really excellent for the part load stuff where youre striving for the last % of driveability .. the ability to go back and forth between two or more settings in real time is the only real way to do it .. out on the road where you can feel the changes... it's about the only time the open road is better than a dyno.

Edited by spitfire4v8 on Friday 6th November 13:03

[mikesr]

ro_butler said:

Gazzab,

As a side note it appears that the ECU's can be 'blanked' (possibly by changing the chips) so that they can be live mapped with Easimap. Whether the software will allow you to account for the firing order of a flat plane crank is unclear. However if the above is true then you could map the car yourselves!

Presumably this would be by putting a standard MBE 941 chip in the ecu?

As well as the 75 degree offset for ignition here is the issue of the non-standard use of inputs and outputs like rad fans, shift light, oil pressure/intercooler spray for the aircon.

[julian64]

mikesr said:

ro_butler said:

Gazzab,

As a side note it appears that the ECU's can be 'blanked' (possibly by changing the chips) so that they can be live mapped with Easimap. Whether the software will allow you to account for the firing order of a flat plane crank is unclear. However if the above is true then you could map the car yourselves!

Presumably this would be by putting a standard MBE 941 chip in the ecu?

As well as the 75 degree offset for ignition here is the issue of the non-standard use of inputs and outputs like rad fans, shift light, oil pressure/intercooler spray for the aircon.

Be interesting to actually see a real MBE chip, as for the life of me I can't see in the crankshaft routine anywhere that the 75 degree angle is relevent. It must be there somewhere or I'm missing something, or its the biggest urban myth ever about the Cerb.

[mikesr]

julian64 said:

mikesr said:

ro_butler said:

Gazzab,

As a side note it appears that the ECU's can be 'blanked' (possibly by changing the chips) so that they can be live mapped with Easimap. Whether the software will allow you to account for the firing order of a flat plane crank is unclear. However if the above is true then you could map the car yourselves!

Presumably this would be by putting a standard MBE 941 chip in the ecu?

As well as the 75 degree offset for ignition here is the issue of the non-standard use of inputs and outputs like rad fans, shift light, oil pressure/intercooler spray for the aircon.

Be interesting to actually see a real MBE chip, as for the life of me I can't see in the crankshaft routine anywhere that the 75 degree angle is relevent. It must be there somewhere or I'm missing something, or its the biggest urban myth ever about the Cerb.

There is an engine code in the standard MBE - Grouped 6 Cylinder, Sequential 4, V8 60Deg etc
If it affects no of cylinders, injector firing etc then its possibly a number of routines that use it to modify their behaviour - does the crank cycle just fire these routines?

Have you found where the ignition stuff is?

Edited by mikesr on Friday 6th November 20:07

[assynt road]

[quote=exwinegtrr33]I no this is how long is a piece of string but what sort of prices have you payed for a remap 4.5 ive had one @ £ 520 and thats as long as theres nothing else needs doing,
Remaps on my skylines where never no more than 400

stu

Hi stu, can tell you about the remap i had on my cerb, but as the man is no longer doing it i can't now help with the 'where'. Will be at the shrops meet on sunday so i might see you there. steve.

[ro_butler]

mikesr said:

julian64 said:

mikesr said:

ro_butler said:

Gazzab,

As a side note it appears that the ECU's can be 'blanked' (possibly by changing the chips) so that they can be live mapped with Easimap. Whether the software will allow you to account for the firing order of a flat plane crank is unclear. However if the above is true then you could map the car yourselves!

Presumably this would be by putting a standard MBE 941 chip in the ecu?

As well as the 75 degree offset for ignition here is the issue of the non-standard use of inputs and outputs like rad fans, shift light, oil pressure/intercooler spray for the aircon.

Be interesting to actually see a real MBE chip, as for the life of me I can't see in the crankshaft routine anywhere that the 75 degree angle is relevent. It must be there somewhere or I'm missing something, or its the biggest urban myth ever about the Cerb.

There is an engine code in the standard MBE - Grouped 6 Cylinder, Sequential 4, V8 60Deg etc
If it affects no of cylinders, injector firing etc then its possibly a number of routines that use it to modify their behaviour - does the crank cycle just fire these routines?

Have you found where the ignition stuff is?

Edited by mikesr on Friday 6th November 20:07

If the engine is running in 'wasted spark' type mode then the ECU only needs to treat the ignition as if it is a 4 cylinder engine, which I believe it can do. This setup would behave correctly for a flat plane v8 and require little modification. Would this reasoning also apply to the batch fired injectors?
The issue about the non-standard use of inputs is a fair point and would require a fair bit of messing about to get these to work.
I might just be forced to try it and find out as I have a spare ECU (but not a spare engine )