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Jan 29, 2004 | 05:42 PM

BigFord1977

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Code Cars

I was looking at www.carsinbarns.com and noticed on the mustangs and other cars that some of them were A codes... or D codes.. or R codes. and i have always wondered what these codes mean.

Thanks

Jan 29, 2004 | 05:55 PM

90ebbronc

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From: Pocahontas, AR

If im not mistaking, its the body style. Like the 70 chevelle/nova/buick are all B bodies. But im not really positive on this though. Maybe someone else can ring in with the correct answer.

Jan 29, 2004 | 06:07 PM

IB Tim

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From: 3rd Rock

Bummer I thought it was witch plant they were born in

Jan 29, 2004 | 06:25 PM

4tl8ford

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From: Erie, pa

More like option packages.
X engine with X tranny with X Options
ie: 351 Cleveland 4V with 4Speed, with Shaker Hood = Some Code

Jan 29, 2004 | 06:30 PM

Mil1ion

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An R code Mustang was 427 8V Hi-Per.

A D Mustang was a 289 4 barrel on Reg gas

An A code Mustang wa sa 289 4v Premium Gas

Q code was a 428CJ 4v.

Jan 29, 2004 | 06:46 PM

stahlecker

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From: Albion Nebraska

K-code 289 Hi-PO 271hp

Jan 29, 2004 | 08:39 PM

phatpharm85

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From: torrington,ct

Alright guys this sounds like a stupid question to me but when they say like a 4v or the 8v they do mean like 4 valves per cyliinder or what? I know what they mean on newer cars but the older cars have always made me wonder, I think it might have something to do with the carb so I was wondering if someone could clear me up on it. yes I know what 2 barrel and 4 barrel and all that mean but its the 2v, 4v, 8v, that have me stumped, I would of thought the numbr of valves but an 8 vlave per head motor, that dont sound right to me.

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Jan 29, 2004 | 08:48 PM

mustange70

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From: Coutts Canada

On the older cars it ment that if it was labeled 4v it had a 4 barrel intake and 8v was 2 4 barrel carb. . . what i wouldn't to get a hold of an 8V 427. . . but anyway for the 351 cleveland it meant the valve size to, if it was a 4v it had a 4 barrel carb and larger valves (intake valve was 2.19" compared to the 2v size of 2.05")