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BRADESTAR 10-03-2017 10:45 PM

Gen intake manifold question
 
Curious, What is the reason they be metal instead of plastic?

I reckon it's because the heater plate for the throttle body is going to there, but what is the point of that then? The more I work on different cars the more plastic I see.

anassa 10-04-2017 01:40 AM

Quote:

Originally Posted by BRADESTAR (Post 386858)
Curious, What is the reason they be metal instead of plastic?

I reckon it's because the heater plate for the throttle body is going to there, but what is the point of that then? The more I work on different cars the more plastic I see.

Dunno, the m5x/s5x also had plastic intake manifolds. :confused:

AlaskaBlueV2.0 11-16-2017 12:31 AM

It is most likely that they already had the design for the e36 aluminum plenum, contracts awarded to the casters/finishers, and didn't feel changing things warranted the expense to do so. That said, I've gone to the e30 plenum due to it being a far superior design for flow, but thats a stop gap until I can swallow my pocketbook and splurge on an ITB setup.


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