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Cal-look/High Performance => Pure racing => Topic started by: Warks_Dubber on January 19, 2014, 01:08:24 am



Title: Carb Set up Specs.
Post by: Warks_Dubber on January 19, 2014, 01:08:24 am
Evening all

Hoping someone could give me some advice on setting up my 48IDF's for my 2276cc engine?

I am running 82mm crank, 1.4 rockers, Wedgeport heads.. Hoping to set CR at about 10:1

From what I know the carbs are currently as sold in spec... which is:
◾40mm Venturi 
◾150 Main jet 
◾F2 Emulsion tube 
◾180 Air corrector jet 
◾0 Pump exhaust valve 
◾55 Idle jet 
◾50 Pump jet 
◾2.00 Needle valve

Is this ok? does anything need to change?

Thanks as always.

Jas.


Title: Re: Carb Set up Specs.
Post by: ED2.4 on January 19, 2014, 16:24:13 pm
Hi,
with 40mm vents ,i'd go with 165/170 main, 200 air
60 idle jets (maybe a bit fat,try 55 first )
F2 tubes are Ok ,50 pump jet and 200 needles too,
float level set at 10mm closed,
no more than 5 psi fuel pump pressure