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Old 03-12-2009, 07:58 PM
 
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available in 73 on Centuries, Lemans, and Cutlasses? I think they were on Chevelles but not sure about the others

someone here mentioned about a Century V6 using a lot of fuel but a 1975 Century V6(231 cid) tested by Consumer Reports showed an impressive range of 10-20 mpg in normal driving and 18 on a 300 mile trip

by contrast a 73 Century 350 V8 with a 4 bbl carb got 8-16 range and 13 mpg on a trip
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Old 03-12-2009, 11:35 PM
 
Location: Northeast Tennessee
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Yes, I think even those had standard 6-cylinders, but it was rare. I think they were inline 6-cylinders though. I am not sure... I will have to look into this and report back.
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Old 03-13-2009, 07:20 AM
 
Location: Fly-over country.
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I had a 1980 LeMans as a "learner car" and it had a 231 V6.

The cars you're talking about had three model changes in the 70s-- at least on the Pontiac side -- 68-72, 73-77 and 78-81. I had to look that up, but I remember the 70s cars were very popular among my peers. I don't think you could get a 6 cyl before 78 when the corporate line tried to react to the gas crunches. We also had a 77 (I think) wagon on the same platform with the 455, but I may be wrong on the year. My dad picked it up used, but I would take it out from time to time

I know there was a V8 option around those last years (78-81). I think it was the Pontiac "301".

The car ran suprisingly well. I got rear-ended the day before I traded it in on a new car.
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Old 03-13-2009, 08:08 AM
 
Location: Earth
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I'd have to check but I want to say no.

Yes Chevelle was available with an inline 6 since 1964 until 1977.

I know in 1975 Buick introduced the 231 V6 which found it's way on the Regal line as the base engine.

I have heard of 1976-77 Olds Cutlasses as being available with the 231 V6. I know in 1975 they introduced the 260 Olds V8 for the Cutlass.

Then in 1977 The Olds Delta 88 and the Pontiac Catalina were offered with a 231 V6 for the first time.

Also remember in 1977 GM started putting all sorts of engines in other makes/models. Your new 77 Firebird could come with a 305 Chevy engine or your new 77 Buick could come with a 403 Olds engine. I hear this resulted in a lot of law suits from owners feeling they had been cheated.

By 1978 GM had downsized the A body line and then everything in the A body line was getting V6's as standard.

Now in terms of the Chevy inline six, you could get one in 1973-74 on the Olds Omega/Buick Apollo X body line, which was just a knock off of the Chevy Nova. I believe the same was true for Pontiac's Ventura.
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Old 05-20-2009, 06:49 PM
 
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Quote:
Originally Posted by caution View Post
We also had a 77 (I think) wagon on the same platform with the 455, but I may be wrong on the year. My dad picked it up used, but I would take it out from time to time

.
They've stopped making the 455's after the 1976 model year
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Old 05-21-2009, 08:53 AM
 
Location: Nevada
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I don't think the V6 configuration was available on GM cars in 1973, but they had the inline 6 configuration, which was the standard engine on many of their cars and trucks back then.
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Old 05-21-2009, 04:23 PM
 
Location: South Jersey
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the 73's had a 250 inline 6..
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Old 05-21-2009, 09:27 PM
JWE
 
Location: Lenoir city'tn
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in my 74 nova I had a 250 six good runing motors .I took it out and put a 350/350
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