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Magnaflow Orange Co. CA 76-79 Buses & 80-82 Vanagons CAT
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samwise
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PostPosted: Fri Jan 29, 2016 9:19 am    Post subject: Re: Magnaflow Orange Co. CA 76 - 79 Buses & 80 - 82 Vana Reply with quote

I'm watching this as my '79 was originally from San Francisco, although if necessary I could probably change to a Federal set up here in Utah.

These were last Feb's emission results:

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We'll see what happens in a few weeks when this year's safety and emissions is done...

For a '79, what is specific within the exhaust system - all of it? Or is there some Federal/early Vanagon stuff that would work as replacements?
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PostPosted: Fri Jan 29, 2016 10:34 am    Post subject: Re: Magnaflow Orange Co. CA 76 - 79 Buses & 80 - 82 Vana Reply with quote

here is the Magnaflow mockup for the 1976 - 1978 all, 1979 - 1982 Federal air cooled that Gabe sent. I'll fit it this weekend and see how it fits. Visually it looks good.

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PostPosted: Fri Jan 29, 2016 10:40 am    Post subject: Re: Magnaflow Orange Co. CA 76 - 79 Buses & 80 - 82 Vana Reply with quote

You're making progress Steve
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PostPosted: Fri Jan 29, 2016 11:15 am    Post subject: Re: Magnaflow Orange Co. CA 76 - 79 Buses & 80 - 82 Vana Reply with quote

aeromech wrote:
You're making progress Steve


Thanks Gary.
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PostPosted: Sat Jan 30, 2016 1:48 pm    Post subject: Re: Magnaflow Orange Co. CA 76 - 79 Buses & 80 - 82 Vana Reply with quote

Magnaflow cat shell mounted in 1977 bay to see how it fits. I would think this should fit any 1976 - 1978 all; and 1979 - 1982 Federal air cooled. It is a little tighter fit OD but it does fit and bus owners can pass smog with it - then that is what is needed. I would speculate that the larger core will lower emissions, and reduce back pressure a little, letting the engine run cooler.

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PostPosted: Sat Jan 30, 2016 5:43 pm    Post subject: Re: Magnaflow Orange Co. CA 76 - 79 Buses & 80 - 82 Vana Reply with quote

Lyle indicates that there is a question whether this will fit 1979 Federal Air cooled due to that crossover being slightly different. Anyone with a 1979 - 1982 Federal crossover they want to sell, or lend so I can send it to Magnaflow please PM me.

There isn't too much difference in clearance but it may affect the 79-82.

yellow pad is height of Emico.

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PostPosted: Sun Jan 31, 2016 10:48 pm    Post subject: Re: Magnaflow Orange Co. CA 76 - 79 Buses & 80 - 82 Vana Reply with quote

Looks good. Thanks for this. Any word on when they will be available?
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PostPosted: Mon Feb 01, 2016 8:45 am    Post subject: Re: Magnaflow Orange Co. CA 76 - 79 Buses & 80 - 82 Vana Reply with quote

BUSBOSS wrote:
Looks good. Thanks for this. Any word on when they will be available?


not yet. we need to be sure it fits all the way from 1976 - 1982 to have a home run.
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PostPosted: Mon Feb 01, 2016 11:12 pm    Post subject: Re: Magnaflow Orange Co. CA 76 - 79 Buses & 80 - 82 Vana Reply with quote

I have an early 76 for sizing
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PostPosted: Wed Feb 03, 2016 4:27 pm    Post subject: Re: Magnaflow Orange Co. CA 76 - 79 Buses & 80 - 82 Vana Reply with quote

bought a 1979 crossover today to send to Magnaflow. As soon as I get it and confirm it is exactly what is needed it will go south with the shell. Hope to have this project wrapped up soon.
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PostPosted: Thu Feb 04, 2016 10:56 am    Post subject: Re: Magnaflow Orange Co. CA 76 - 79 Buses & 80 - 82 Vana Reply with quote

I have nothing to add but my amazement and appreciation that you are doing this. While I don't need this exhaust, I will probably buy it to make my '78 California delivered Westy complete. It will also help with resale.

Thanks for what you're doing!
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PostPosted: Thu Feb 04, 2016 11:12 am    Post subject: Re: Magnaflow Orange Co. CA 76 - 79 Buses & 80 - 82 Vana Reply with quote

Zelten wrote:
I have nothing to add but my amazement and appreciation that you are doing this. While I don't need this exhaust, I will probably buy it to make my '78 California delivered Westy complete. It will also help with resale.

Thanks for what you're doing!


Thanks
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PostPosted: Fri Feb 19, 2016 3:04 pm    Post subject: Re: Magnaflow Orange Co. CA 76 - 79 Buses & 80 - 82 Vanagons Reply with quote

The Magnaflow cat shell that fits the stock 76-78 exhaust, and a used 1979 - 1982 air cooled Federal motor crossover tube has been delivered to Magnaflow. Should have something CARB II certified very soon that bolts onto stock air cooled 76-78 VW buses and 79-82 Federal air cooled Vanagons and buses.
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PostPosted: Wed Mar 02, 2016 11:15 pm    Post subject: Re: Magnaflow Orange Co. CA 76 - 79 Buses & 80 - 82 Vanagons Reply with quote

Alright, I guess I'm in for it now… I'm picking up a '76 this weekend that has the 72-74 exhaust system on it…

Steve, is the Magnaflow project you've been working on an entire exhaust system? Muffler system? Just the cat? I've been following loosely, but now I'm trudging in and need to pay more attention. Cool

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PostPosted: Thu Mar 03, 2016 1:10 pm    Post subject: Re: Magnaflow Orange Co. CA 76 - 79 Buses & 80 - 82 Vanagons Reply with quote

just the cat. Better make sure that 76 has FI on it or price it to be able to recreate an FI. Cat is only needed on California buses. Federal used a delete pipe.
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PostPosted: Thu Mar 03, 2016 1:37 pm    Post subject: Re: Magnaflow Orange Co. CA 76 - 79 Buses & 80 - 82 Vanagons Reply with quote

SGKent wrote:
just the cat. Better make sure that 76 has FI on it or price it to be able to recreate an FI. Cat is only needed on California buses. Federal used a delete pipe.


The complete engine is stock except the muffler system; even the EGR is hooked up right now. I wonder if the 72-74 style muffler will raise any red flags at inspection time, or if they'll only be looking above.

If a correct exhaust system fell into my lap, I would gladly install it with the new Cat, as I do feel HC reduction is worth it.

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PostPosted: Thu Mar 03, 2016 2:08 pm    Post subject: Re: Magnaflow Orange Co. CA 76 - 79 Buses & 80 - 82 Vanagons Reply with quote

asiab3 wrote:

The complete engine is stock except the muffler system; even the EGR is hooked up right now. I wonder if the 72-74 style muffler will raise any red flags at inspection time, or if they'll only be looking above.

If a correct exhaust system fell into my lap, I would gladly install it with the new Cat, as I do feel HC reduction is worth it.

The '72-'74 muffler has the trapezoidal, 2-port flanges which match the '79-83 heat exchangers. From '75-78, the heat exchangers have a single round outlet flange. How is it that they managed to bolt a '72-'74 muffler to a stock '76 exhaust? Confused
Also, the '72-'74 mufflers didn't have EGR, so how is yours hooked up?

Peruse the exhaust drawings at Bus-Boys to help you figure out what you have.

As far as the inspection goes, you'll probably find that they'll be looking for a cat, so the '72-'74 muffler won't fly.
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PostPosted: Thu Mar 03, 2016 2:25 pm    Post subject: Re: Magnaflow Orange Co. CA 76 - 79 Buses & 80 - 82 Vanagons Reply with quote

Excuse me. 72-74 heat exchangers with an aftermarket muffler that has an EGR provision. It looks like the stock style early T4 bus muffler, but the tailpipe is unlike anything I've ever seen. It's Federal, so I don't think the red will look for a cat.

I am going off memory, because I haven't seen it in a few months and it gets dropped off tomorrow night.

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PostPosted: Thu Mar 03, 2016 3:32 pm    Post subject: Re: Magnaflow Orange Co. CA 76 - 79 Buses & 80 - 82 Vanagons Reply with quote

if it is a Federal it will not require a CAT so exhaust style will not matter. The 72-74 exhaust is less restrictive and cools the exhaust ports better when it is working correctly.

Some folks put a cat on their Federal models because it almost guarantees a pass. One is only required on Calif models.
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PostPosted: Thu Mar 03, 2016 4:42 pm    Post subject: Re: Magnaflow Orange Co. CA 76 - 79 Buses & 80 - 82 Vanagons Reply with quote

SGKent wrote:

Some folks put a cat on their Federal models because it almost guarantees a pass. One is only required on Calif models.


That's why I'm considering it. Smile

Now back to the Magnaflow discussion, thanks guys!
Robbie
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