k & n stubstack any good?

by dynchel Sat Nov 16, 2013 8:32 pm

My neighbor just gave me a old k & n stubstack he had from his (gone) '71 Monte Carlo. Does anyone have any experience with these? I researched it online, and most feedback was good, but I was hoping for personal experiences. Anyone? Thank you john m. Beer

by pila Sat Nov 16, 2013 9:27 pm

I have an air cleaner, made by Edelbrock in the 80s, all aluminum, with the Stubstack type entry on it. K&N told me that it was a good air cleaner, and I wouldn't need a Stubstack, since it's already part of my air cleaner.
Since it's the only air cleaner I've had on the 408 in the Malibu, I can't give a comparison to a conventional air cleaner. If you have a Holley carb, use the stack!
It's designed the smooth the air flow entry into the top of the carb.

by dynchel Sat Nov 16, 2013 9:39 pm

Thanks bill, I have a 4160 holley carb so I'll give it a try.

by coreys73chevelle Sun Nov 17, 2013 7:45 pm

pila wrote:
It's designed the smooth the air flow entry into the top of the carb.

^^This. Use it lol

by bracketchev1221 Sun Nov 17, 2013 9:16 pm

They work well on their own. You need to be careful though in a 3" air cleaner they can get close to the air cleaner lid. Especially on a drop base model. I ran a test on a 355 and the motor ran flat at 6000. Found the stub stack close to the lid and it went to 7000 without it.

by dynchel Sun Nov 17, 2013 9:40 pm

That is my set up exactly, drop base with a three inch filter. However, i dont run my 305 headed 350 to that high of rpms.

by bracketchev1221 Mon Nov 18, 2013 10:37 am

See if you can fit a 4 inch element in there. Look at my photobucket pictures for the motor in the Nova. I found that filter at Autozone. I forget what it fits.

by dynchel Mon Nov 18, 2013 10:38 am

is it a paper filter or a reusable k&n type? I know it will fit as i used to run a flat base with a 4 inch filter. would the flat base be better? I still have it. btw i really like that nova. Thumbs up

by bracketchev1221 Mon Nov 18, 2013 10:53 am

Mine is paper. Actually I would leave the drop base filter on it. And raise the lid as high as you could fit it. The drop base directs air up at the lid and then forces it to turn down into the carb. Did you ever see this advertisement?

http://www.moroso.com/catalog/categorydisplay.asp?catcode=34920

by dynchel Mon Nov 18, 2013 11:02 am

I never saw that ad. At one point i bought one of those extreme blow through lids, but now ive heard those arent that great either. The lid i currently run is a edelbrock stamped steel lid. I will have to try to find that 4 inch filter (i know the 14/3 application is a '78 trans am with a 400) my budget pretty much dictates a paper filter. thanks for the input ray.

I gave you some street cred

by bracketchev1221 Mon Nov 18, 2013 11:16 am

Thanks and you are welcome. I have also HEARD things about those air cleaner tops, but I have never used one. I think the area of a paper filter is sufficient for what you are looking to do. I bought the k&n filters years ago when I thought they were the trick setup, but I never had the patience to clean them and re oil them, so I just threw them out and bought new ones. After a few times of that, I went back to paper. Very Happy

by dynchel Mon Nov 18, 2013 11:27 am

photo photobucket-91136-1362489554688_zps416ddf5d.jpg

Here is what my setup looks like, as you can see the air cleaner is sitting below the support bars so there is plenty of room for a taller element. happy bowtie

by pila Mon Nov 18, 2013 8:19 pm

Those 14 inch elements are generic, with any height you can fit under your hood....
You may even find one at your local auto parts store...

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