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Reply to "Weber air cleaners"

I will review the details on the manifold but I think that is one that has cast in a vacuum plenum?

Even if finances permit, I don't want to switch manifolds, just replace carbs with EFI to clean up the idle.

The 4v intakes and A3 intake ports don't line up. I haven't seen a "high port" IR manifold other then the Hall that I am using.

Modifying a 4v means closing up the bottom of the port 5/8" and raising the top 1/4". That makes either welding or epoxy filler necessary.



The original Weber look-a-like throttle bodies were a Dynatec design. Those throttle bodies in particular have had machining accuracy issues which created idling issues with them. Supposedly Borla corrected that when they bought out the line?

I have a quote here from Dynatec for $2,800 for four. Borla doubled the price.

What CPU to use with them now seems to be the big issue. Apparently the self learning CPU's are blamed for erratic running conditions. That's another issue to be dealt with. We'll see.

Last edited by panteradoug
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