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Re: Dellorto DLHA40, need advice on jetting for a15 |
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Just can't stay away  
Joined:
2007/4/20 11:46
From Invercargill, new zealand
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just an update:
mains: 130
emulsion tube: 7772.7
air: 180
Idle: 57
jump: 38
venturi: 32mm
Posted on: 2009/8/31 23:35
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Re: Dellorto DLHA40, need advice on jetting for a15 |
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Home away from home  
Joined:
2007/9/8 14:27
From South Africa
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135 main 190 air would be a good starting spot with such small chokes. Also make sure your float level is spot on.
On wide band these carbs run richer than you would think, idle around mid 13's WOT in the mid 11's, any leaner than that and mine would mess about, on cruize should would hover between 13.5 and 14.1
Posted on: 2009/8/31 6:55
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'75 1200 B110 - 154hp Race prep A14
'97 Silvia - 600hp SR20 time attack
'07 Hilux - Tow car
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Dellorto DLHA40, need advice on jetting for a15 |
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Just can't stay away Joined:
2007/4/20 11:46
From Invercargill, new zealand
Group:
Registered Users
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hi, i have a datsun a15 with dellorto dlha40 carburetors
known mods:
~porting on the inlets, a bit bigger than a12gx ports
~4-1 headers
~the carburetors
it seems to be over fueling, sooting the plugs and blowing a bit of black smoke.
does anyone have a similar setup to this and what jets are you using and are they suitable? If you have an air-to-fuel ratio reading that would be very handy.
thanks very much
Posted on: 2009/8/31 4:51
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