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dellorto on 998
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Author:  mini is my ride [ Thu Apr 22, 2010 11:50 am ]
Post subject:  dellorto on 998
Hi

I am after everyone who hasn't already given me what
they think to let me know what they think of the below
question:

can i run a dellorto on my 998 without a dyno?

I have been told two things:

A dellorto is a pain to set up etc.

and the other side of the coin

you might be able to get away without a dyno and get instant fun

Thanks
Author:  graham in aus [ Thu Apr 22, 2010 1:35 pm ]
Post subject: 
If you have 1) No knowledge of a Dellorto, and 2) No knowledge of how to tune one based on how it feels / sounds and drives, it is unlikely to be a good idea to just slap one on!

It could run great, it could run like cr@p, it could be good lowdown, but crap at higher revs, or vice versa.

An experienced person like Kevin (Dr Mini) could get in the car and know immediatley what to do to tune it up, or a dyno and exhaust analyser would show the same information.

I hope this helps, I was tempted to be very negative to your post and critisize, but hey, everyone has to start somewhere.

Basically if you don't have the skill and knowledge to tune it, take it to someone who can, with a Dyno.

The chances of it being right just by bolting on are one in a million! 8)
Author:  Mini Mad [ Thu Apr 22, 2010 3:21 pm ]
Post subject: 
That goes for any carb :)
Author:  Mike_Byron [ Thu Apr 22, 2010 5:05 pm ]
Post subject: 
Dellortos are like webbers - they are tuned to suit a particular engine by swapping the jets and chokes until you find the right combination that suits your particular engine in the range you drive it most at.

To do that you need to find someone that has jars of jets and chokes that they can continue to swap until they get the best results.

Its a lot quicker and easier in a place that has both a dyno and the jets and chokes.

All this assumes the engine is in good general tune to begin with and that the carby is in good general condition and not needing an overhaul with all the right assessories (linkages, cables etc) already fitted.

Its not just as easy as getting a carby off a Cortina 1600 motor, bolting it to a mini manifold and then just adjusting a few jetting screws. It simply wont just run properly.

Mike
Author:  Lockie91 [ Thu Apr 22, 2010 10:09 pm ]
Post subject: 
Mini Mad wrote:
That goes for any carb :)


i second this...
Author:  CPOCSM [ Sat Apr 24, 2010 5:48 pm ]
Post subject: 
Just do it - you knwo you want to hear that induction roar...

Dellortos are no harder to set up than any other carb - you can stuff a 1.5 SU as much as the Dellorto - there is just twice as much to fiddle with on the side draughts...lol

Dont listen either to the knockers of the "infamous" swan neck manifold - if you are daily driving it and not racing for sheep statiions, it wil;l do just fine until you get a redline/warnefold one...

Have fun!!
Author:  drmini in aust [ Sat Apr 24, 2010 6:51 pm ]
Post subject: 
I find Dellortos 40 or 45 easier to tune than an SU, if the engine is a performance build.
Once you fit the right size chokes, emulsion tubes and idle jets you are halfway there.
But if the engine is a stock 998, I wouldn't bother.

Note- if the Dellorto carby is one of a pair of twins (off Alfa etc), you start by binning the emulsion tubes and big air corrector jets. They won't work on an A or B series siamese port engine.

PM me if you need jet info.
:wink:
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