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ROOKIE Carb question for weber 45s DCOE side drafts


Guest Anonymous

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Guest Anonymous

I just got a 72 2002. It currently has dual weber 45 sidedrafts on it. I want to get a more everyday driveable car, but want to maximize performance. First question can I reduce the size of a 45 to a 38 inexpensively? And if I do that do I have to change the manifolds to match to 38s. I dont know much about this so any and all feedback would be appreciated.

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Guest Anonymous

You can downsize the venturis no problem. 40 or 45DCOEs fit on the same manifold. Don't know the prices of the venturis, but you could try Piercemanifolds.com. Unless your car has other engine mods like a 'hot' cam and high compression pistons, you may want to go down to 30mm venturis even, to make the car more driveable and get some better low end (rpm) power/torque. You should also check all the jets that are in the carbs too. There's lots of jetting recommendations in the archives over at Roadfly.com.

Gil

72 Tii

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