Talk:Choosing a carburetor

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I tend to question the validity of the Edelbrock being somehow superior to any other carb- and the Q-jet in particular- for use at steep angles, like mentioned in the "Lowrider" paragraph. Off roaders have long recognized how good the Q-jet is in their situations, and personally if it were me, I'd use a Q-jet over any other carb w/the possible exception of one of the Truck Avengers Holley makes- the Truck Avengers have good float control and annular boosters which should put it an a par w/the Q-jet, all else being equal.
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I tend to question the validity of the Edelbrock being somehow superior to any other carb- and the Q-jet in particular- for use at steep angles, like mentioned in the "Lowrider" paragraph. Offroaders have long recognized how good the Q-jet is in offroading situations, and personally if it were me, I'd use a Q-jet over any other carb w/the possible exception of one of the Truck Avengers Holley makes- the Truck Avengers have good float control and annular boosters which should put it an a par w/the Q-jet, all else being equal. For steep angles EFI would be superior to any float operated carb.
  
 
The reason I changed the text where it was stated that the Holley DP was harder to tune, was because it's actually more tunable than the 4160 carbs that only have a metering plate. The 4150 carbs have a metering block which enables the secondary jets to be easily changed. Having mechanical secondaries, there is no need to tune the vacuum secondary spring to adjust the opening rate when using a DP. Because the DP carbs have no transfer tubes, removing the float bowls is easier and less likely to result in a leak like the transfer tube carbs tend to do if the transfer tube O-rings are damaged.
 
The reason I changed the text where it was stated that the Holley DP was harder to tune, was because it's actually more tunable than the 4160 carbs that only have a metering plate. The 4150 carbs have a metering block which enables the secondary jets to be easily changed. Having mechanical secondaries, there is no need to tune the vacuum secondary spring to adjust the opening rate when using a DP. Because the DP carbs have no transfer tubes, removing the float bowls is easier and less likely to result in a leak like the transfer tube carbs tend to do if the transfer tube O-rings are damaged.

Revision as of 14:35, 27 January 2012

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