MPI throttle body,
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B38 (03-26-2021)
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Well.... There's a slight difference between throttle bodies based on what flame arrestor they used.
The first flame arrestor used was the dual dimpled cover with EFI stamped into it. It used the TB with the air horn installed into it.
The second flame arrestor used was the plastic housing and aluminum "fins" like an automotive radiator. It did not use that air horn device.
So it's not actually a 454 VS. 502 comparison, but I wanted to just let you know there are differences based on which TB was used.
The first flame arrestor used was the dual dimpled cover with EFI stamped into it. It used the TB with the air horn installed into it.
The second flame arrestor used was the plastic housing and aluminum "fins" like an automotive radiator. It did not use that air horn device.
So it's not actually a 454 VS. 502 comparison, but I wanted to just let you know there are differences based on which TB was used.
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B38 (03-29-2021)
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