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SU DZ needle

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clubmn

Post subject: SU DZ needle

Posted: Tue Jan 13, 2009 8:50 am

1098cc

Joined: Tue Mar 23, 2004 10:07 pm
Posts: 1504
Location: melbourne australia

I seem to have a few of these needles kickin around, Im assuming the DZ needle is a factory standard needle for 998??....

Maybe someone can help me im trying to select a needle for an 1100 with 295 cooper head, extractors and exhaust.. Trying to find a good starting point. single 1 1/2 su

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BALLISTIC

Post subject:

Posted: Tue Jan 13, 2009 9:12 am

1275cc

Joined: Sun Jul 01, 2007 11:25 pm
Posts: 5174
Location: Greensborough, Victoria

If its got a mild cam, a little bit of head work etc start with an M needle for the single 1.5 su

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clubmn

Post subject: mm1275

Posted: Tue Jan 13, 2009 9:42 am

1098cc

Joined: Tue Mar 23, 2004 10:07 pm
Posts: 1504
Location: melbourne australia

BALLISTIC wrote:

If its got a mild cam, a little bit of head work etc start with an M needle for the single 1.5 su

I thought i rembered puttin in M needles in my twin 1 1/4's... isnt that right...
Might have some hear??

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74snail

Post subject: In another thread

Posted: Tue Jan 13, 2009 12:32 pm

1275cc

Joined: Wed Oct 01, 2008 11:02 pm
Posts: 2611
Location: werribee vic

In another thread we were discussing this, for a fixed needle HA, for a floating needle ADC both have the same profile and are slightly richer than the factory standard AN still 7,000 rpm again as recommended by Russell from MinisRus .

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BALLISTIC

Post subject: Re: In another thread

Posted: Tue Jan 13, 2009 1:45 pm

1275cc

Joined: Sun Jul 01, 2007 11:25 pm
Posts: 5174
Location: Greensborough, Victoria

74snail wrote:

The DZ fixed needle was std in stock 998 with 1.5" carbs from memory in leyland minis.

Scott from Minitopia reccommends as a good starting point "M" needle/s for a mildly tuned engine but the only way you are going to find the best "set up" for any carb/engine is to get it on a rolling road/Dyno.

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Morris 1100

Post subject:

Posted: Tue Jan 13, 2009 4:05 pm

Causing or creating vexation

Joined: Wed Jul 21, 2004 10:32 pm
Posts: 19124

The DZ was the stock needle for the 1275 Morris 1100S.

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clubmn

Post subject: jay

Posted: Tue Jan 13, 2009 4:53 pm

1098cc

Joined: Tue Mar 23, 2004 10:07 pm
Posts: 1504
Location: melbourne australia

Morris 1100 wrote:

The DZ was the stock needle for the 1275 Morris 1100S.

i thought it would had been for a 998, or 1100s as i have about 4 1 1/2 carbs with them in it ... ok well seems like an allright place to start...

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