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Old 04-13-2014, 10:56 PM
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jhirasak jhirasak is offline
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Join Date: Feb 2012
Location: Redondo Beach, CA
Cobra Make, Engine: 331 SB, AFR heads
Posts: 75
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*13*,

When I changed my linkage arrangement from a single cross bar to a bell crank arrangement, I had to fabricate a mount that allowed me to place the bell crank povot in the center between both banks of carbs. This mount is attached to the manifold flange attachment bolts on both sides of the engine with longer bolts to compensate for the additional thickness of the mount. Perhaps you could fabricate a similar mounting plate and place your bell crank where you desire.

The use of a bell crank with carbs that are mounted with the fuel bowl inlets pointed in the opposite directions significantly improved the ease of tuning and drivability of my car. I would highly recommend this linkage arrangement for anyone who still has a single cross link setup and is having a problem tuning their 48 IDA Weber setup.

If anyone has a 48 IDA manifold setup that has all of the fuel bowl inlets pointing in the same direction, the single cross bar linkage is more appropriate for use.

John
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