hey guys i got a ww stromberg and wondering what manifold to get, would a cain manifold for a holley 350 be ok as they are both 2 barrel?? plz help
thanx
james
what manifold to get
Started by
_Ucmyuc_
, Jul 17 2006 12:32 PM
8 replies to this topic
#2
makka
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Posted 17 July 2006 - 01:09 PM
you would need an adaptor plate so that your ww bolts up to the holley manifold, you can get them at autobarn
#5
rodomo
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Posted 17 July 2006 - 11:45 PM
If you are using a WW2, I would recommend the Holden manifold as it is water heated and would be more drivable cold. Non heated manifolds need around 15-20 mins running to warm up.
#6
Dr Terry
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Posted 18 July 2006 - 11:15 AM
Hi rodomo.
This is a common misconception, the heated manifold is not for improved drivability when the engine is cold, it is for improved drivability in cold weather after the motor has warmed up. The choke is for when the motor is cold or warming up.
How can the manifold be heated if the engine coolant is still cold.
But you are correct of course, use the genuine Holden manifold with the water jacket, it is a much better street manifold than the non-heated variety.
Dr Terry.
This is a common misconception, the heated manifold is not for improved drivability when the engine is cold, it is for improved drivability in cold weather after the motor has warmed up. The choke is for when the motor is cold or warming up.
How can the manifold be heated if the engine coolant is still cold.
But you are correct of course, use the genuine Holden manifold with the water jacket, it is a much better street manifold than the non-heated variety.
Dr Terry.
#7
_Ucmyuc_
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Posted 18 July 2006 - 04:40 PM
are we talking a single barrel manifold with adaptor??
#8
rodomo
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Posted 18 July 2006 - 05:16 PM
[QUOTE]How can the manifold be heated if the engine coolant is still cold.
Maybe slower than 2 manifolds bolted together and the exhaust acting directly on the base of the inlet, but when the thermostat is closed the manifold is using thermostat "by-pass" flow to warm up if connected properly. I know I would rather have a water heated manifold than the one pictured above. The drivability comes from better vapourisation of the fuel as you are probably aware, something the use of choke doesn't support.
Maybe slower than 2 manifolds bolted together and the exhaust acting directly on the base of the inlet, but when the thermostat is closed the manifold is using thermostat "by-pass" flow to warm up if connected properly. I know I would rather have a water heated manifold than the one pictured above. The drivability comes from better vapourisation of the fuel as you are probably aware, something the use of choke doesn't support.
#9
rodomo
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Posted 18 July 2006 - 05:24 PM
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