| [ Total Views: 838 | Total Replies: 10 | Thread Id: 66083 ] |
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 westi
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what the
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 posted on November 13th, 2007 at 07:42 PM |
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jets for 51ida's.idea's for good starting point.
hi all ,it has been awhile since i have been online,i have been pretty busy making stuff,i will post pic's soon.
my question is for basic start up jet sizes i thought i might be able to save my self some time buy asking you guy's.
its a 2386-7cc what ever you prefer.
comp is only 11.5 to 1
cam is close to a fk89.
heads flowed around 200cfm
they were 48's now 51's.
does any one have anything similar .
i look forward to your info.
down sharon.
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LOWBUG
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| posted on November 13th, 2007 at 08:11 PM |
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I'd probably start by calling one of the vw specialist who are doing this thing all the time.
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on November 13th, 2007 at 08:47 PM |
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The only suggestion I have is a rule of thumb.
Venturi X 4 is the main jet to start with and then tune it with the Air corrector.
If you go over to Cal look site and do a search you will find closer combos
and just remember that Sydney's altitude is pretty good so start safe.
| Quote: | Originally
posted by westi
That's mad Alan.
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westi
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what the
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| posted on November 13th, 2007 at 09:00 PM |
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cheer's dave
down sharon.
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reub
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| posted on November 13th, 2007 at 09:39 PM |
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No input...other then I look forward to seeing/hearing this thing go
Reub
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westi
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what the
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| posted on November 13th, 2007 at 10:22 PM |
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me to
down sharon.
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 vw54
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| posted on November 14th, 2007 at 06:21 AM |
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go BIG to start with the mains better than cooking something
so with the 51s that rule of thumb would mean something around 200 for the mains ??? is that right
51mm is the butterfly size so the venturi would be smaller
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on November 14th, 2007 at 07:51 AM |
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The only guy I know with carbs that big are Rodney and Fabian.
Rodneys are Berg 58, but the rule remains the same.
Fabians has small 42 or 44 vents, and in this case I would go for a ...
44 x 4 = 176, so a 175 or 180 main.
with an F7 you could use a 175 or 180 air corrector too to start with,
Ind keep an eye on your mixtures up high.
65 or 70 idle and a 120 idle air.
it is super important to have your float levels right before hand
because this effects how your emulsion tube begins to work.
| Quote: | Originally
posted by westi
That's mad Alan.
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westi
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what the
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| posted on November 15th, 2007 at 08:59 AM |
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thanks dave and dave.
i did all my home work and came up with ruffly the same as the muffin man.
i can't put the carbies on yet ,stupid me didn't think that the cast manifolds would warp much with a little extra ali put back in.OH BOY WAS I
WRONG.
down sharon.
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vw54
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| posted on November 15th, 2007 at 10:59 AM |
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should have heated them in the oven 150 C n did a bit at a time back n forth in the oven to stabilise the temps
might have had less distoration
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westi
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| posted on November 15th, 2007 at 02:09 PM |
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should have, could have ,BUT,didn't.
down sharon.
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