Rpo K46 Too much Air restriction for 327?

[chewychevy67]

I found all the pieces to this hd air cleaner setup I am thinking about adding to my stock 67 build. I am looking at the rpo code and it states for all engines including the 283 but not 327. Would that be because it restricts too much air for it? It Has a 3.5 inch tube to the pre cleaner and 3 inch to the air cleaner. Would be pulling cooler air from the cowl which would be nicer I would think.

[AcampoDave]

Wow, I've not seen one of those before. I say try it out. A couple of 0-60mph test runs should tell you how it compares to a more standard setup. Maybe the thing to try is bypassing the pre-cleaner. What's inside of those things anyhow?

[chewychevy67]

Not sure what's inside as I don't have it in my hands yet. I too thought of that just to keep restriction lower.

[tdangle]

I think I would consider bypassing the pre-cleaner entirely and just running a hose from the cowl fitting to the air cleaner. Should be fine for your engine.

[gvw5400]

That is really cool!
Are you mounting the cowl plenum on the right hand side of the cowl then to your
air cleaner assy. ?
I haven't ever seen this before, I wonder if something like this was available on
the 67-72 generation of trucks?
3" all the way to your air cleaner should for enough CFM. for a 327, was this only
available in years when the 283 was the big inch option?
Have fun with your build!
All the Best
Dirk

[chewychevy67]

The red truck is a 67 factory with a 283 in it. I am going to mount it just as the factory did it but with my 327.

[Tom]

That air hose is way bigger then your carb throat. Should be fine.