Here is the information on my 88 engine (turbo 13b), original intake
manifold.  Notice that the equivalent area is over three inches dia.

Rino

Good work Rino. Thanks for working this out. Next time this subject
comes up we will hit them with this.

Perfectly CLEAR! Thanks guys. So what you are saying is short

of making one, everything out there is going to be small?

...Chrissi

Chrissi,
You do it deliberately. I know you do.
Good luck getting a big enough throttle body. I hate to admit it now, but I
need one too. Let me know what you decide on.
John Slade

 
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