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Home > Help Needed / General Tech Chat > Nodiz / Megajolt map questions & opinions

Will

137 Posts
Member #: 11091
Advanced Member

Right - getting close to starting the beast up and this
Is the base map I’ve been given and wondered what everyone’s opinion is

1293cc
gt17
phase 2 cam
8.3 CR
And fresh build so will need running in and the cam knocking in too

3 bar map sensor if that makes a difference haha!


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jonny f

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1888 Posts
Member #: 9894
Post Whore

Dorking

Not sure on Nodiz but looks like a lot of advance for a base map.

There’s some MegaJolt base maps etc on here. Have a look around.


Sprocket

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11040 Posts
Member #: 965
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Preston On The Brook

Firstly, how annoying is that having the load scale top to bottom *Confused* Ergonomics would suggest it should go from bottom to top, IE Load increases, manifold pressure rises, throttle position increases.

Anyway, the base map looks a bit hot from 100KPA upwards (or is that downwards *tongue* )

with your low CR, At around 200kpa, i'd want to see no more than ~24 degrees depending on how efficient your intercooler is.

at 100kpa it does still look a little hot. maybe 34 degrees or so there

Start safe, have it dyno'd and use det cans to listen to the engine for knock. Find either MBT or knock limit and then retard 5 degrees giving a good safe margin. Can only really be done on the dyno.

On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be...
So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'...


On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........


Brett

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9432 Posts
Member #: 1023
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Doncaster, South Yorkshire

nodiz is wank

you welcome to my opinion

My B18VtecTurbo Awd Mini 2 years in, been running for 2years +.... vtec just kicked in yo
Instagram @jdm_brett

On 14th Feb, 2014 robert said:
I think he thought his car was 465kg ,and you then guessed it at 565kg , and stuff me !! you were right


Will

137 Posts
Member #: 11091
Advanced Member

Lol why’s that & any opinion on the map?

And thanks sprocket, not having much of a clue is it a case of changing everything above those margins and following the same increments across the Rev range at each level?
Not looking to spank it pre dyno
(Already booked in)
Just want a safe map to start it and bed everything in before heading over

(Probably keep it under 3.5k?)


mtechmatt

62 Posts
Member #: 10207
Advanced Member

Hi firstly, load can indeed be flipped over by changing the numbers on the left, however, as most people start with using only 0-100kpa, it makes it an odd way round to tunr, thats why it goes from 0,0 at the top left, where the axis meet, like any other table, anyway moving on to the actual point :)

The timing along 100KPa will be pretty close to what a normal A series would run at WOT when naturally aspirated - just take a couple of degrees off to play it safe, then, the old school rule of thumb is retard 1 degree for every pound (6 KPA) of boost, though, as mentioned, it would be best to just not drive on boost until its been properly setup on a dyno. If you hear det when driving, its already likely too late, so do play it safe and back the timing off until properly tuned.

If there are good megajolt maps, you can use the Megajolt map import feature of the NODIZ, which spreads their rather limited 10x10 ignition table out to the full 16x16.

Also, use the NODIZ launch control for a pretty effective "boost build" type anti lag when launching :)

Hope that helps, and happy boosting!
Matt @ Nodiz


gr4h4m

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Chester


Brett I spat my drink out, that was funny.

On 12th Feb, 2018 Brett said:
nodiz is wank

you welcome to my opinion

I run a supercharger and I don't care the TB is on the wrong side.
VEMS + 12 PSI + Liquid Intercooler = Small Bore FUN!


shane

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1994 Posts
Member #: 1246
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Lowestoft, Suffolk.


It’s that sort of blunt honesty that makes this forum!

On 26th Feb, 2018 gr4h4m said:

Brett I spat my drink out, that was funny.

On 12th Feb, 2018 Brett said:
nodiz is wank

you welcome to my opinion


John

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9961 Posts
Member #: 1456
Topping Geezer

Barnsley, South Flatcapshire

Bahaha!


On 12th Feb, 2018 Brett said:
nodiz is wank

you welcome to my opinion

If something is worth doing, it's worth doing half of.

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