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Author Topic: Help with IDAs needed...!  (Read 1917 times)
Stoo the worm Simpson
Newbie
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Posts: 35



« on: April 15, 2009, 16:53:07 pm »

Hi guys...this is very similar to turbo-hippy's post before...but didnt want to high jack his thread.

Basically i need some advice on my carb jetting...it runs great on full throttle...but the idle circuit is very lumpy...and judging buy the amount of fuel that it uses...and the way it smell...i presume that i am flooding it on the idle circuit.

the engine is 2017, engle 130 cam, stock ratio rockers...street eliminator heads...with 42 inlet and 37.5 outlet.

the carb manifolds arent match ported as yet...but these are going on at the weekend.

and at the moment the carbs have 37 vents, F7 emulsion tubes, 160 mains, 55 idles and 190 air correctors.

any advice on getting me running smoother lower down the revs would be great, as driving it on the street at the moment is horrible...and i cant drive it on full throttle everywhere i go....can i  Wink

cheers in advance

Stoo
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Roman
Hero Member
*****
Posts: 656



« Reply #1 on: April 19, 2009, 09:49:16 am »

The jetting does't sound like it is far off. I would guess it is more likely they aren't synced perfect or maybe too high fuel pressure.
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Udo
Hero Member
*****
Posts: 2077



« Reply #2 on: April 20, 2009, 18:37:19 pm »

The idle jets are very small . and first look inside if they do not overfloat .

udo
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