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Originally Posted by Matt H.
i have oval port heads, and i definately want a 4bbl throttle body and tuned port injection,
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Not trying to nit pick you but want to clarify the terminology. The 4bbl throttle body EFI systems are not tuned port. They're referred to as Multi-Point, or Multi-Port EFI systems. Your tuned port injection (TPI) systems like the ones found on 84-9? Camaros, Firebirds, and Vettes, have an intake with a large plenum with equal length "tuned" runners and a throttle body located at the front of the plenum. The intake manifolds were specifically designed for EFI. Your 4bbl MPFI intakes are just single plane high rise carb intakes with fuel injector bosses cast into them. Accel, Arizona Speed & Marine, GM, and Street & Performance are the only companies I know of that make a Big Block Chevy TPI style EFI intake.
http://www.azspeed.com/45autpisywgm.html