TPI Runner Question

[ae2598 at wayne.edu]

Wouldn't deletion of your coldstart valve avoid all that drilling?

On Wed, 6 Dec 2000 WEG1192 at aol.com wrote:

> Tim,
> 
> I assumed everyone knew about the little holes inside each lower manifold 
> runner as well. My understanding is that the idle air is brought into the 
> lower manifold at the cold start injector to "pick up" the cold start 
> injector spray and deliver it to all the cylinders thru these little holes. 
> Just think of how much simpler the casting would have been if the cold start 
> injector had never been used to begin with. It appears that without this 
> tube, I will have to drill holes in my upper plenum for idle air to get into 
> the engine without the small tube. Anyone tried this with success?  JW
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