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klunker
 Post subject: needle selction
PostPosted: Fri Jan 07, 2011 11:24 pm 
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848cc
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Joined: Wed Apr 14, 2010 12:34 am
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Location: Point Cook
hey guys just looking for a starting point or some advice on choosing a needle for my current set up.

i have a HS4 carb with the standard needle that comes with the rebuild kit.
since then i have done the following changes:

rc40 twin can
maniflow 3-1 extractors
minispares water heated inlet manifold
worked 202 head
1.5 rockers
ramflow air filter

stock cam, pistons and crank for now :lol:

any advice would be greatly appreciated.

cheers, Matt

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GT mowog
 Post subject:
PostPosted: Sat Jan 08, 2011 6:25 am 
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How many CC's your engine?

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klunker
 Post subject:
PostPosted: Sat Jan 08, 2011 7:21 am 
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848cc
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Location: Point Cook
haha i knew i forgot something, 998 on standard bore

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drmini in aust
 Post subject:
PostPosted: Sat Jan 08, 2011 6:53 pm 
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religious status
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Joined: Fri Mar 19, 2004 6:19 pm
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Location: near Baulkham Hills, NSW
Try a no 7 needle to start with. :wink:

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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klunker
 Post subject:
PostPosted: Sun Jan 09, 2011 6:02 pm 
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848cc
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awesome will do, whilst out needle shopping what would you recommend with the following mods? as i plan to do the rest of the engine in the next 6 weeks.

mild cam to suit (any suggestions?), 20tho flat tops, lightened flywheel and crank.
all fully balanced?

cheers, Matt

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drmini in aust
 Post subject:
PostPosted: Sun Jan 09, 2011 6:18 pm 
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Location: near Baulkham Hills, NSW
klunker wrote:
awesome will do, whilst out needle shopping what would you recommend with the following mods? as i plan to do the rest of the engine in the next 6 weeks.

mild cam to suit (any suggestions?), 20tho flat tops, lightened flywheel and crank.
all fully balanced?

cheers, Matt

I would still stay with the no 7 needle initially.
Then either borrow a portable wideband A/F meter and go for a drive under load, or preferably put it on a dyno, to get the mixture right.

As for cams, it all depends what engine characteristics you want. The one Mick just put in his 997/8 Cooper (RE83) would be my pick for a torquey road cam.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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klunker
 Post subject:
PostPosted: Sun Jan 09, 2011 6:36 pm 
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848cc
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Joined: Wed Apr 14, 2010 12:34 am
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Location: Point Cook
yeah, i live 5 mins away from mick and he has been an invaluable resource :lol: he also recommended the re83, so i think that will be the go.
i will get it on a dyno after the engine has been rebuilt to get it tuned properly.

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Mick
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PostPosted: Sun Jan 09, 2011 7:07 pm 
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SooperDooperMiniCooper ExpertEngineering
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Location: Under the bonnet son!
With my new motor, I've cut the commute down to 4 minutes.

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klunker
 Post subject:
PostPosted: Sun Jan 09, 2011 7:58 pm 
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haha yeah i bet, you have to take me for a ride in it later on in the week, it sounded mental the other day

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Davo111
 Post subject:
PostPosted: Tue Jan 11, 2011 12:07 pm 
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Rover Cooper
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Location: Werribee Vic. RETIRED - VMCI 3225 ,
I would like to follow you two around for a while, :( just listening to that rock and roll spilling out from the back, :roll: :roll: let me know when you are testing it again and I will tag along....LOL... :wink: :wink: :wink: :wink:
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klunker
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PostPosted: Tue Jan 11, 2011 1:05 pm 
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I'll be round micks place tomorrow for some more testing :lol:

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