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MoTeC is going in this weekend! [MoTeC is IN!] 

 

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Posted: Thu Apr 14, 2005 9:34 am 
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Top post unclewoja.. definantly puts spark in perspective for a tuning newbie! Often we have a rough idea how to get a result, but never know exactly why we do it :)

Rightio.. updates from last night!

Firstly thanks to Joe @ Crescent Motorsports for fitting me in last night!

Waggin arrived on the rollers at about 6.30 (after taking 5 minutes to start her out the front of the workshop. lol), and didnt get off until.. hmm, after 11pm, i'd say. Joe and I didnt actually leave til 12.30am. heh

After taking a few moments to get the hang of the new fancy Windows based MoTeC tuning software, we were off and running. Lots of work done under light and medium throttle, and then later in the night some work on full throttle. Tuning is far from complete but we're both satisfied that we have an excellent base map which provides good power and most importantly for me, safe A/F across the entire load and rev range.. all the way to 7000rpm

Drivability has increased 10 fold compared to my 'on road' tune, which was already a massive improvement over what the EEC-V/Unichip combination offered, though I must admit the unichip was never re-tuned after the engine rebuild.

We travelled about 200KM last night on the dyno, only using just over 1/4 of a tank, so I'd take a punt and say that economy wont be too foul, the guage didnt even move on the way home.. and I bet u could imagine how she was being driven :D

So from here I'll be doing some small fuel/spark changes on the road and tweaking the function and compensation tables (cold start and post start are still way off!). Another dyno session may be up in the next week or so to start extracting some more serious power, though if we can't get any really thrilling figures we wont be spending too much more time on the N/A tune, time to start spec'ing a forced kit.

It was good to see a few Fordmods people rock up to watch this historic event :D Regie, Yobboford, MRE-40L, MRS-40L, Ch0c0.. gg all!

Photo of the extractors - taken by Fordmods Offficial Photographer, Regie.
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Last edited by Waggin on Fri Apr 15, 2005 1:26 pm, edited 1 time in total.

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Posted: Thu Apr 14, 2005 9:36 am 
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Oh, and no power runs were completed :)

Saw a few blurts to 130RWKW in 4th gear @ 3500rpm.. oh and she does 6RWKW/31nM at 100KM/hr in 4th at 50kpa :D

 

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Posted: Thu Apr 14, 2005 8:10 pm 
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i will put the pic in my gallery cause i cant upload it to here as yet

 

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Posted: Thu Apr 14, 2005 8:57 pm 
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Dude, that's bloody insane. :shock:

 

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Posted: Thu Apr 14, 2005 9:01 pm 
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heheh yeah it was pretty amazing to watch.
the exhaust was glowing red most of the night on the dyno. its sounding very nice and the nice feature on the MoTeC for the s**t lite :). Fast and the furious style :D

 

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 Post subject: Rise of the Waggin
Posted: Thu Apr 14, 2005 9:26 pm 
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WOW I actually have space in my backyard again :P

The Dyno was amazing and Im not much into them, but the look on Brad's face last nite when the lil thing was being revved was priceless.

Congrats hun on a job well done, the car is awesome and I know everyone involved was really happy with the outcome, makes me kinda worry what you have in store for us for the next project.

* Separate note CHOCO no cookies for that stunt last nite*

Keep up the good work boys and remember if your in the neighbourhood drop in to HQ and say Hello.

 

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Posted: Thu Apr 14, 2005 10:59 pm 
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Holy s**t! haha
Are the extractors glowing purple or is that jus the white balance ?
How was the engine temp while they were glowing like that ?

 

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Posted: Fri Apr 15, 2005 12:38 am 
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omg the waggin runs! holy s**t! lol

good to see its almost fully 100% there.. i got to lazy to head up last night too, even missed wsid!
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Posted: Fri Apr 15, 2005 1:09 pm 
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Yeh, not sure why they look purple.. but they were glowing the brightest red/orange you could imagine..

 

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Posted: Fri Apr 15, 2005 1:22 pm 
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Amazing stuff inddedy!
Bout time tho lol; love the look of the headers - sweeet. :wink:

 

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Posted: Fri Apr 15, 2005 3:24 pm 
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Hmmmm. I was going to get HPC coating on my extractors when I get them... me thinks I wouldn't mind glow-in-the-dark extractors though.

It's such a big decision. Do I want lower engine bay temps, or do I want my own portable set of engine bay worklights?

It will be good, once Hyena and I get MS-II on our cars (well car really, I've yet to purchase one but everything is already planned), to see the difference in performance of the MS-II and the Motec.
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Posted: Fri Apr 15, 2005 3:32 pm 
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SVO XR6 wrote:
that is a good general look at things but every motor is different

i found the 4L likes to run a lil leaner then most at high loads and loves a heap of timing. I was running 12.5:1 at high rpm/load(this is a safe A/F) and it was ok. now im running 12.8-13.1 at high loads and you can feel the difference. Same with the timing, i had a safe setting and now have advanced around 6 deg all over the map and it is a heap more responsie and tourquier

also to obtain a smooth cruise with a lumpish cam, i recomend to run a lil richer.
it wont make tooo much of a difference to eco, but will drive alot smoother. This also depends on your timing too

i dont know about other motors, but the 4L respond to small changes is fairly large, so take your time getting it rite, and dont be shy trying stuff


That's good info to know aswell. Last engine I tuned would idle on anything from 10 ATDC to 40 BTDC and at one stage I was running 50 BTDC @ full load @ 1000RPM going up hills in 5th gear and still wasn't getting any pinging (before I knew about how spark timing really worked that is).

Setting idle, I've found, is not about you deciding what the engine will run on, it's about letting the engine tell you how it wants to run. And it's real easy too. You just adjust spark and fuel till you get the lowest possible MAP and that will give you your smoothest idle.
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Posted: Fri Apr 15, 2005 4:03 pm 
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unclewoja wrote:
Hmmmm. I was going to get HPC coating on my extractors when I get them... me thinks I wouldn't mind glow-in-the-dark extractors though.

It's such a big decision. Do I want lower engine bay temps, or do I want my own portable set of engine bay worklights?

It will be good, once Hyena and I get MS-II on our cars (well car really, I've yet to purchase one but everything is already planned), to see the difference in performance of the MS-II and the Motec.


LOL. Glow in the dark is definantly cool (well.. hot, rather)

I think all aftermarket ECU's will acheive similar WOT/Peak RWKW.. things [may] start to get a bit different when you look at the rest of the curve, plus other load points... plus all the other bells and whistles.

 

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Posted: Fri Apr 15, 2005 6:26 pm 
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so wat was the highest rwkw did u get the other night

 

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Posted: Fri Apr 15, 2005 7:41 pm 
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Go back a page and read for yourself :P

 

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