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Originally Posted by MrBoxx
As for the TB to E3 mani difference, if the Intake manifold opening is larger than the TB exit, I'd say you don't need to do much of anything, since there won't be anything hindering flow.
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No, there's just a big drop off from the rear of the 1G TB to the E3 IM throat. Probably shouldn't worry myself over
that aspect of my parts collection.
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Originally Posted by wishihadatalon
I am working on an e3 intake manifold project for my girlfriend. I just paid for a bbk 2g 62mm tb. I will let you know if there is the internal taper like on a stock throttle body. Another option is to get a evo 3 throttle body, if they are any different than a 1g one.
Also what cams are you going to run? I might try to find a set of 93 cams if at all possible. Maybe if I find a good set I will do a 264/272 combo.
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Just curious, what kind of project is this (that is, what exactly will you be doing)? The Evo 3 TB does not do any "tapering" of any kind. It's somewhat similar to the 1G NT TBs, with a snout or throat that protrudes from the throttle plate. This makes it utterly impossible to attach a 2G TB elbow to this TB (not something I'm particularly worried about). I'll be sticking with my 1G TB, just to make my life that much easier.
In the very distant future, I'm probably looking at the DKS 264/272 combo from FFWD. But that's way in the future.
Dustin, you're probably right, but I'm still sticking with the last sentence of post #1.
Hopefully when I finally get all this shit together, I'll go with a custom UICP that will mirror the 60mm measurement before the taper.
In regards to the four spots on the gasket I colored red, I took some small drill bits and went to work. Seemed to do the job. The box cutter knife was no help, though.