1977 Catalytic Converter?
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Mountain Pass
Joined: Jan 2006
Posts: 211
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From: Westminster, Maryland
1977 Catalytic Converter?
About 16 hours into the restore of my '77 F150, 2wd, 302
Did this truck come with a catalytic converter? It does not have one currently and being 30 years old in Maryland I do not believe it has to. Could someone clarify both for me?
Also, what would you suggest as I rebuild the exhaust system? What sounds/performs best for this setup?
Thanks as always! Happy Holidays!
Did this truck come with a catalytic converter? It does not have one currently and being 30 years old in Maryland I do not believe it has to. Could someone clarify both for me?
Also, what would you suggest as I rebuild the exhaust system? What sounds/performs best for this setup?
Thanks as always! Happy Holidays!
Last edited by dludlow; Nov 23, 2007 at 11:45 AM.
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Joined: Jan 2008
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I doubt it. IIRC, 79 was the 1st year for CC's
Is there an Engine ID sticker on the valve cover ?
Your Calibration code shouldbe 7-80-R0 for AT
and 7-79-R1 for M/T
Both of which are NON-Catalyst
Is there an Engine ID sticker on the valve cover ?
Your Calibration code shouldbe 7-80-R0 for AT
and 7-79-R1 for M/T
Both of which are NON-Catalyst
Last edited by Mil1ion; Nov 23, 2007 at 12:52 PM.
Posting Guru
Joined: Jun 2004
Posts: 1,133
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From: Dracut, Massachusetts
the only trucks of the body style i have ever seen with cats were both 79's but i suppose if it was a california truck it might have been sooner than 79 that they started useing them.
Posting Guru
Joined: Jun 2004
Posts: 1,133
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From: Dracut, Massachusetts
being a truck from georgia (49 state) it probably didnt have a cat. as far as exhaust, my local muffler shop charges $675 for dual flowmasters from the manifold back. id check local muffler shops.
Senior User
Joined: Oct 2007
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From: winston salem N.C
it should have one my grandpa has the same truck and it has one on it. he bought the truck brand new. I was told the 2wd trucks had it and the 4wd didnt. my 78 4wd didnt have one on it from the factory.
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From: dallastown pa
Well I was always under the impression that in 77 they started using cats but depended on the state and then brought them into standard in late 78. I no in PA we do not need them because they weren't factory till late 78 early 79. But a lot of cars had them sooner.
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