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04-26-2015, 04:17 PM | #1 |
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When did C30's get cats?
I have to sell my K20 down the road because I need something family friendly. So I am working on picking up a crew cab dually. Since I can not stomach buying a new truck I will build my version with out things that annoy me.
When did cats become a requirement on a California truck. I saw a ad where it was mentioned 1984 last year of no cats. I am looking at earlier the 80 to keep smog issues down, or get a TBI version then go for LS swap. There is a kid at work who wants it bad since the running gear is new, and I can not pass up his offer. So I want to act quickly. Posted via Mobile Device |
04-26-2015, 05:22 PM | #2 |
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Re: When did C30's get cats?
[QUOTE=Ziegelsteinfaust;7149286]I have to sell my K20 down the road because I need something family friendly. So I am working on picking up a crew cab dually. Since I can not stomach buying a new truck I will build my version with out things that annoy me.
When did cats become a requirement on a California truck. I saw a ad where it was mentioned 1984 last year of no cats. I am looking at earlier the 80 to keep smog issues down, or get a TBI version then go for LS swap. There is a kid at work who wants it bad since the running gear is new, and I can not pass up his offer. So I want to act quickly. Posted via Mobile Device[/QUOTE My '87 is single exhaust with a cat and unleaded gas, and my 86 is a dual exhaust no cat and regular gas. Both are K/30's with 454's
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04-26-2015, 10:09 PM | #3 |
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Re: When did C30's get cats?
Federal: cats went on the C10s in 1975 (under 6001# GVW).
State: cats went on all pickups in California in 1978. Federal: cats went on all trucks under 8501# GVW in 1979. This was all C/K/10/20/30.
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Rich Weyand 1978 K10 RCSB DD. |
04-26-2015, 11:17 PM | #4 |
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Re: When did C30's get cats?
We had an 86 federal c30 without cats
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04-26-2015, 11:22 PM | #5 |
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Re: When did C30's get cats?
'85 C-20 Crew with no factory cat. I can't remember when leaded gas was removed from the pumps. My '87 C-30 has one.
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04-26-2015, 11:45 PM | #6 | |
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Re: When did C30's get cats?
Quote:
Calif. also required cats on `1975 up, under 8500 GVWs, also with a few exceptions. I know I own one of those exceptions: 75 to 77 454 equipped C/10s did not have cats whether they were Calif or federal. 1978 was the first year for cats on California 454 C/10s. 1978 Federal 454 C/10's did not have them.
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1977 Chevrolet C/10 Silverado. Step-Side, Factory 454, TH400, 3.73 Posi 12 Bolt. 1975 Chevrolet El Camino. 350, TH400, 3.08 Posi 10 Bolt. |
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04-27-2015, 03:43 AM | #7 |
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Re: When did C30's get cats?
Don't know when CA went to all cats. My fed '86 was no cats, leaded gas legal.
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'86 C-30 dually, 454/tbh400 '73 K-20 350/350/205 (sold ) I'm kinda like duct tape- no real purpose, but handy to have around. |
04-27-2015, 06:55 AM | #8 |
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Re: When did C30's get cats?
I just read the 76-80 big 10 raised their GVW not to have cats on 1/2 ton trucks.
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04-27-2015, 09:05 PM | #9 |
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Location: Temple City
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Re: When did C30's get cats?
I have found the truck I want. It is a fully loaded 1984 diesel titled truck. Someone converted it to a SBC, and the guy thinks it is a 305.
Either way it is a good base for a clean up, and a slow build as money + time converge. |
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