[Diy_efi] 406 fuel injected small block

[Bob Childers]

Andrew,

   Putting a TPI on a 400 will be an okay setup but there are
some things to consider.  A stock TPI may not "breathe" well
enough to keep the 400 satisfied.  You might look to a bigger
throttle body and larger bore runners.  There are also mods
you can do to the manifold to make it breathe better.  Just
remember, the original equipment TPI was on a 305 & 350.
The only thing that was resized for the 350 was the injectors.

Bob Childers
355 SBC w/TPI in an 86 Fiero

andrew stegman wrote:

> hello everyone
>
> this is my first post to this mailing list so here goes
>
> I am looking at building the engine for my first performance car and I have
> been weighing several options
> one i am thinkiing about is to retrofit a tuned port setup onto a 400 small
> block base. what i need to know is 1. what things should i be looking for
> for parts 2. what are some problems i will probably run into 3. is there a
> better setup to use than th tuned port system ?
>
> also if you have any ideas, hints, tips on making this setup a very drivable
> performance system. etc....
>
> thanks for any help
>
>                       andrew
>
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