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Hemi oil breather cap

Started by taxspeaker, April 22, 2019, 12:05:52 PM

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taxspeaker

Hi guys,
I've been looking at the oil breather cap on the passenger valve cover of my 70 Hemi SuperBird. It is an original Hemi, automatic. The cap has 3 outlet tubes on it and I do not believe it is correct. I can figure out the one that goes to the bottom of the air filter housing of course, but because it was raced as a Hemi and the engine in it is a different hemi I want to at least get the hoses hooked up correctly. So 2 questions for anyone that knows:

1. What does the correct breather cap look like and how many outlets. I have an old NOS one from an AAR 340-6 pack and think it might be correct.
2. Where do the other outlets, if any, hook up?

For you purists, no I am not changing the 1970 paint scheme or anything, just trying to get it functional and reliable as is.
Thanks
Bob

John_Kunkel

The 3-nipple cap is correct for cars with ECS (Evaporative Control System). The Hemi rear carb will have a vent nipple that goes to one nipple on the cap, another to the air cleaner and the third to the rear vent line.
Pardon me but my karma just ran over your dogma.

taxspeaker


Alaskan_TA

Does your car have N95 - ECS?

taxspeaker

Its got N96-the carb fresh air package, but no N95 ECS
thanks
Bob

Alaskan_TA

N96, are we still talking about an original Superbird or ?

taxspeaker

Yep, an original Hemi superbird, but you got me wondering. The broadcast sheet has no N95 or N96 codes, but the GG decoded fender tag report says N96. So I just looked at the fender tag and of course there is no N96 on it, as there can't be an air grabber on a Superbird

In summary, scratch the N96 comment I made before and let me throw away the GG decode of the fender tag!. There still isn't an N95 ECS either.
thanks
Bob

maxwellwedge

Sounds like you need a single nipple breather.

Here is my 70 survivor

Alaskan_TA

From one nipple to three nipple for 1970 model year cars;

1 nipple with all V8s & /6 except those with N95.

2 nipple for /6 with N95.

3 nipple for all V8s with N95.

taxspeaker

Thanks-appreciate the guidance
Bob

taxspeaker

Here is what Im looking at

Alaskan_TA

That is the 3 nipple version with a cap on one nipple.