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Re: Jetting. |
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From 48 North
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Don't do that. Jetting is first and foremost related to the venturi sizes, and the A12 and A15 venturi sizes are different.
To properly jet a carburetor, put it on the engine and look at the results. If it is running rich, go two jet sizes smaller. If it runs leans, go two jet size larger. Then re-test. There are no easy answers.
Posted on: 2012/7/9 5:12
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Re: Jetting. |
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Home away from home  
Joined:
2009/10/13 21:28
From Trinidad and tobago
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Thanks..Woundering if I could swap jets from other carbs.What sizes do I need.
Want to swap jets to Increse Fuel.
Posted on: 2012/7/9 5:09
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_________________
'71 Four Door Sedan.
A15 Engine + Lighten Flywheel.
E15 Electronic Ignition 32/36 Weber EI Coil 4 into 2 into 1 Extractors 1 3/4 Exhaust Pipe Semi Flow Hotdog 60 series Gearbox H150 Diff.
Street Sleeper!
STILL LIVIN' THE 70'S LIFE !!
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Re: Jetting. |
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Moderator Joined:
2001/5/3 7:04
From 48 North
Group:
Registered Users
Contentmaster
Usermaster
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Put it on. Run it. Then depending on how it runs, re-jet appropriately. It may need smaller jets for the A15.
A12 carburetor is smaller than A15 carburetor. But it will run good, just won't have the same peak HP as it does not flow as much air. Under 4,500 RPM you probably won't notice any difference.
Posted on: 2012/7/9 5:00
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Re: Jetting. |
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Home away from home Joined:
2009/10/13 21:28
From Trinidad and tobago
Group:
Registered Users
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So What do u recomend that i do?
Posted on: 2012/7/9 4:48
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_________________
'71 Four Door Sedan.
A15 Engine + Lighten Flywheel.
E15 Electronic Ignition 32/36 Weber EI Coil 4 into 2 into 1 Extractors 1 3/4 Exhaust Pipe Semi Flow Hotdog 60 series Gearbox H150 Diff.
Street Sleeper!
STILL LIVIN' THE 70'S LIFE !!
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Re: Jetting. |
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Moderator Joined:
2001/5/3 7:04
From 48 North
Group:
Registered Users
Contentmaster
Usermaster
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Yes it can be jetted down.
Or you can use it as-is.
Posted on: 2012/7/8 5:00
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Jetting. |
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Home away from home Joined:
2009/10/13 21:28
From Trinidad and tobago
Group:
Registered Users
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Using stock hitachi a12 Cabby. Could it be Jetted/Upgraded to be used on a stock A15 engine.Other carburettors here ar very expensive.
Cheers.
Posted on: 2012/7/8 4:20
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_________________
'71 Four Door Sedan.
A15 Engine + Lighten Flywheel.
E15 Electronic Ignition 32/36 Weber EI Coil 4 into 2 into 1 Extractors 1 3/4 Exhaust Pipe Semi Flow Hotdog 60 series Gearbox H150 Diff.
Street Sleeper!
STILL LIVIN' THE 70'S LIFE !!
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