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Old 07-23-01, 01:12 PM
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Motec

Is there banyone using the motec stand alone management system
Old 07-24-01, 11:30 PM
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Yah, why? Not tuned yet...

*ahem*

I'm coming for you Brian! (Rotorsports... hope we can tune it!)

Jason
Old 07-25-01, 01:16 AM
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I am running a MoTeC M4Pro on a 1990 Series V 13B Engine (with a Garrett GTBB Turbo)

You can e-mail me at a777@bigpond.net.au if you like
Old 07-27-01, 02:45 PM
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its the BEST!
Old 08-12-01, 10:21 PM
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Anybody has any recommendations where is the
best deal $$$$ to get a motec m8 system? Thanks!
Old 08-13-01, 11:09 AM
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Question

Is the Motec system better than the Haltech E6K ?
Old 08-22-01, 07:41 PM
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by far! its far better!
Old 08-24-01, 11:18 PM
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Originally posted by Want2race
by far! its far better!
Why?
Old 08-25-01, 04:44 AM
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It is superior in its datalogging capailities, thats its main advantage. it also has user definable resolution, this isn't really a biggy unless you have an engine which redlines at like 3000rpm and you need to tune those 3000rpm a lot to get them right.

Haltech are working on better datalogging for the e6k which will put it on par with the MoTeC systems as far as that id concerned. If you think its worth the extra money by all means go for it. Realisitically you would be lucky if you saw an extra 1-2%HP max, both systems are equally up to the task so it's in the tuning not the system it self.
Old 08-25-01, 09:35 AM
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i think the motec has a better CPU
Old 08-26-01, 12:32 AM
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yes the motec runs a slightly faster chip, but as i said, it may give you 1 maybe 2% more power, but its in the tuning more than it is in the ecu as both are VERY up to the task
Old 12-06-01, 07:03 AM
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Any Motec users here?

Buying a Motec M800 for my FD, anyone else using this unit, or maybe an M4? Would like to get some moral support from a fellow user, IYSWIM :-0)

Thanks.
Old 12-11-01, 10:13 AM
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Motec M800 = The ****. If I could afford it I would get one. Where are you getting yours for and for how much?
Old 12-11-01, 10:27 AM
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Originally posted by Greg
Motec M800 = The ****. If I could afford it I would get one. Where are you getting yours for and for how much?
I am in England UK, where Motec stuff is DEAR, but a pal is in Oz at the momen and is buying me one from Rotary Power in Sydney. They are still expensive (I am paying 3726 oz dollars, but also getting 1 meg data logging upgrade and wide band lambda upgrade, pluse EGT amplifier and probe to allow EGT fuellin and timing mods if it starts to get naughty). These are all extras... I have used earlier Motec ECU's on piston turbo engines, and there are a lot of good Motec engine dyno operatives over here, unfortunately none with rotary experience... At least the ECU programming will be familiar to them. I intend to run it on other cars, so have opted for the dual wide band lambda option too, allowing wide band lambda closed loop on my R33 GTR if I win the lottery and decide I can afford to keep a modded Skyline AND the FD. However, I think I much prefer the FD, even as near stock with some weight out of it it turns similar lap times on circuits to my R33. It sure took a LOT less time to pull the rotary and strip it than a similar job on the R33 <G>

As you say, expensive, but the ability to run nearly any race engine effectively makes it seem better value for money. Probably a bit over the top for the HKS TO4E kit it will run, but when I get more adventurous it should come into its own?
Old 12-14-01, 07:27 PM
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Hi Chris,

I have a Series III 1985 RX-7 with a 1990 Series V 13B Turbo

I'm using a MoTeC M4Pro.

My mods are the usual internal, + custom exhaust manifold and Garrett GT30/40 Ball Bearing Turbo.

Currently I'm making around 550hp at the flywheel (has run 130+mph down the quarter)

If you've already bought your turbo (kit I assume?) then that's cool, but I can't recommend the Garrett GTBB series enough They would be awesome on the circuit as lag is minimal indeed, and they have a very smooth power delivery.

Shoot me an email Here if you have any questions etc.

Did you get a base map with your ECU?
Old 12-17-01, 02:09 AM
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Originally posted by a777
Hi Chris,

I have a Series III 1985 RX-7 with a 1990 Series V 13B Turbo

I'm using a MoTeC M4Pro.

My mods are the usual internal, + custom exhaust manifold and Garrett GT30/40 Ball Bearing Turbo.

Currently I'm making around 550hp at the flywheel (has run 130+mph down the quarter)

If you've already bought your turbo (kit I assume?) then that's cool, but I can't recommend the Garrett GTBB series enough They would be awesome on the circuit as lag is minimal indeed, and they have a very smooth power delivery.

Shoot me an email Here if you have any questions etc.

Did you get a base map with your ECU?
You know of any sites w/ info on the GTBB series?
What RPM do you get full boost and what kinda power do they make?
Old 12-17-01, 04:26 AM
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Originally posted by Node

You know of any sites w/ info on the GTBB series?
What RPM do you get full boost and what kinda power do they make?
Maybe you can find something on their website: http://www.egarrett.com/index.jsp .
Old 12-19-01, 08:49 PM
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Node:-
You know of any sites w/ info on the GTBB series?
Ray Hall


Turbo Tech


Node:-
What RPM do you get full boost and what kinda power do they make?
I am not a big fan of "what RPM do you get full boost?" as it's not a good measure. Mainly because 10psi on one turbo does not equal 10psi on another turbo (in terms of HP). It depends a LOT on load too (obviously). I could go into more detail, but I'm sure you get my point (and this is the ECU forum)

Suffice to say that my car will make boost (1-2psi) below 2000rpm and will make 15psi around 3500rpm.

A GT30/40 is "rated" at 600hp
A GT35/40 is "rated" at 700hp

I think I will be able to make more than 600hp with my GT30/40 on a 13B, the question is at what boost and revs
Old 12-25-01, 03:58 AM
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I am thinking of going motec. any suggestions?

87 RX7 turbo II. GOnna upgrade turbo / intercooler/ injectors/fuel/ and fuel mapping computer
Old 12-25-01, 07:24 AM
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Originally posted by ReZ311
I am thinking of going motec. any suggestions?

87 RX7 turbo II. GOnna upgrade turbo / intercooler/ injectors/fuel/ and fuel mapping computer
Did you check out their website?
http://www.motec.com
Old 12-29-01, 01:30 AM
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Old 12-29-01, 01:50 AM
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Originally posted by a777


I am not a big fan of "what RPM do you get full boost?" as it's not a good measure. Mainly because 10psi on one turbo does not equal 10psi on another turbo (in terms of HP). It depends a LOT on load too (obviously). I could go into more detail, but I'm sure you get my point (and this is the ECU forum)

Suffice to say that my car will make boost (1-2psi) below 2000rpm and will make 15psi around 3500rpm.

A GT30/40 is "rated" at 600hp
A GT35/40 is "rated" at 700hp

I think I will be able to make more than 600hp with my GT30/40 on a 13B, the question is at what boost and revs
mmmmm sexy, you know anything about the VNT (variable vane stuff) I read about it in maximum boost so I know how it works, but they only mentioned whichever turbo company was in maximum boost. You know anything about whether Garrett has VNT in their turbos now? or soon.
And what about reliability, in the other VATN turbos blew the goat for reliability.
A VTN BB turbo that wouldnt bite the dust on ya, and would make big HP would be quite interesting.
Old 12-29-01, 05:39 AM
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Originally posted by Node

mmmmm sexy, you know anything about the VNT (variable vane stuff) I read about it in maximum boost so I know how it works, but they only mentioned whichever turbo company was in maximum boost. You know anything about whether Garrett has VNT in their turbos now? or soon.
And what about reliability, in the other VATN turbos blew the goat for reliability.
A VTN BB turbo that wouldnt bite the dust on ya, and would make big HP would be quite interesting.
VATN technology still has a long way to go, whilst reliable on the cooler exhausts of diesel engines the mechanisms are prone to seizure and stiction on petrol engines, and the mad hot and violent exhaust pulses of a rotary would be even worse. BMW and many other car engine makers are using it on diesels, there may be a Jap RV maker, (possibly Nissan?), using it on a mild petrol engine, but as yet it is unsuited for performance petrol engine usage. I'm sure it will develop further, along with full electronic valve control in piston engines. Not there yet... :-(
Old 12-29-01, 01:17 PM
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yeah too bad, they use em on bikes, NSX's, Miatas and I forget who else (but thats aftermarket)
Oh well not like ball bearing is the slightest bid bad.
Old 12-29-01, 01:25 PM
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Originally posted by Node
yeah too bad, they use em on bikes, NSX's, Miatas and I forget who else (but thats aftermarket)
Oh well not like ball bearing is the slightest bid bad.
If you search the web carefully i think you will find a few references to problems with VATN technology on petrol engines, probably this puts makers off trying it. AFAIK the current turbos are also very small with low boost potential and flow rates. May be usable in pairs, but they also cost a packet. A US firm makes a wick lubricated bearing version (dunno why, but using a wick for lubing the bearings reminds me of oil lamp technology :-) . I think it's Aerodyne or Aerocharger or similar. They have a web site. The flow maps I have seen show them to be low volume and pressure ratio devices, but some swear by their efficacy on small displacement engines. I'd stick with a BB turbo I think!


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