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PostPosted: Mon Jan 08, 2007 5:25 pm 
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848cc
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Joined: Fri Mar 19, 2004 3:58 pm
Posts: 217
Location: Eltham, Victoria
Quote:
How many different curves did you run on the dyno?


We only tried the current setting on the engine. We simply fine tuned the timing using the dyno as the curve selected was right for the job.

Agreed that it is quite an expensive unit when compared to other types but the advantage of the simple install and the pre-programmed curves makes up for some of the cost.

On another note, We also found a gain of around the same amount (about 3hp) by simply removing the air filter. This is a standard 1 1/2" air filter element in the plastic housing with a fairly new element.

Needless to say one of the next investments for the beast will be a free flow air filter :D :D

Hope this info is useful to some people

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PostPosted: Mon Jan 08, 2007 5:43 pm 
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Joined: Thu Mar 18, 2004 1:33 pm
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Location: Darling Downs QLD
graham in aus wrote:
Mr White Keys..... Many thanks for sharing the info.

...I believe the timing backs off to tdc below a certain rpm (1000rpm?). I am convinced it will be reliable, Marcel was keen to only use quality items in contruction, hence Bosch cap etc


The timing actually goes to 10 deg BTDC below 1000rpm to aid in starting. This is while the dizzy itself is set at TDC!

Great unit. When I get mine on the dyno, I am more than happy to swap in a lucas dizzy in good nick if someone wants to send me one for the day.

Won't be for a few months though.

$550 including GST if bought from the aussie distributor.

Well worth it IMHO, for performance, reliability and smooth power.

But if you want the ultimate performance ignition set up go for a fully programmable distributorless system using a crank sensor. Now that's spending a lot of $$ for a few HP!!

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PostPosted: Fri Jan 12, 2007 10:06 pm 
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Joined: Tue Oct 18, 2005 11:32 am
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Location: Canberra ACT
Its taken a while but i had to get back to this post because the basic premis really annoyed me.

Rule 1 - NO distributor will EVER get you ANY increase in (maximum) HP. Simply because when you set up an engine, you lock the distributor and then adjust the advance to whatever you need for max HP. The proper curve will be immediatley obvious in the torque curve though.

If you have a dyno you can do this every 1K revs from idle to redline and then tailor a dizzie curve to suit. This can be relatively expensive (BTDT). Its also VERY dangerous.

Marcel's dizzie is designed for people who live long distances from a dyno and suitable A series expertise. It allows you to get reasonable results by yourself without a great deal of trouble.

The othter main purpose is to replace a worn out mechanical dizzie. 20 years ago when replacement bits for Lucas dizzies had (virtually) disappeared (somewhere I still have what was alledged to be the last genuine unused S distributor bush in existence) I bought an Alden Yellow. Despite Aldon's hand on heart guarantee that it was curved absolutley correct for my engine spec it proved to be nothing of like it. It was set mup using a dyno, a Piranha IR trigger added and has proved totally reliable. When first set up I indexed it and after each tune up it comes back in exactly the same position.

And the car runs fine with literally half a cup of water in the dizzie.

Knowing Marcel you won't go far wrong using his stuff.

Cheers, Ian


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PostPosted: Sat Jan 13, 2007 8:53 am 
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1098cc
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Location: Hobart, Tasmania
Marcel doesn't make them, he's just a distributor :lol: . They're made in the Netherlands I think.

Tim


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PostPosted: Sat Jan 13, 2007 10:50 am 
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Timbo wrote:
Marcel doesn't make them, he's just a distributor :lol: . They're made in the Netherlands I think.

Tim

Yeah, but he IS the designer. Good one, Marcel. 8)

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PostPosted: Sat Jan 13, 2007 11:11 am 
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The guys from Spintparts in Sydney make and supply a high enrgy programmable setup for Dollie sprint that use the lucas dizzie

http://www.sprintparts.triumphowners.co ... eID=480073

I think the ignition can be setup in 500 rpm steps and I think with a rev limiter as well, it costs abot $300 nut you still need to dyno to find the right curve

Jon

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PostPosted: Sat Jan 13, 2007 11:46 am 
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drmini in aust wrote:
Timbo wrote:
Marcel doesn't make them, he's just a distributor :lol: . They're made in the Netherlands I think.

Tim

Yeah, but he IS the designer. Good one, Marcel. 8)


I didn't know that, he's a clever lad. Good taste in minis too.

Tim


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