what did shelby do to the 289s for the cobra? - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
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post #1 of 11 (permalink) Old 08-19-05, 04:34 PM Thread Starter
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what did shelby do to the 289s for the cobra?

specs would be cool
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post #2 of 11 (permalink) Old 08-19-05, 06:37 PM
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Re: what did shelby do to the 289s for the cobra?

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post #3 of 11 (permalink) Old 08-19-05, 07:04 PM
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Re: what did shelby do to the 289s for the cobra?

It depends. There is hardly such a thing as a standard Cobra these days. It was basically a "K" code 289 in the later cars.
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post #4 of 11 (permalink) Old 08-19-05, 10:08 PM
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Re: what did shelby do to the 289s for the cobra?

a mexcan block 600 autolyte
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post #5 of 11 (permalink) Old 08-19-05, 10:55 PM Thread Starter
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Re: what did shelby do to the 289s for the cobra?

were the cam, heads and pistons k code too?
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post #6 of 11 (permalink) Old 08-20-05, 01:03 AM
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Re: what did shelby do to the 289s for the cobra?

Quote:
Originally Posted by bimmerboy
were the cam, heads and pistons k code too?
of course the only shelby cars got the k code 4v heads 4 barrel but more nickel in the block so it aloud for better heat trancefer and harder reving so bigger cam and carby, the standard gt was a A code 4 barrel 4v heads v8 and the c code was 2 barrel 2v heads v8 and the T code was 6 cylinder 1v head 2 barrel. i hope i got that rite i used to restore the things many years ago!
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post #7 of 11 (permalink) Old 08-20-05, 04:54 AM
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Re: what did shelby do to the 289s for the cobra?

He started with a K code 289 (ie HIPO) @ 271HP, this is factory.
He installed a high-rise intake and a 700CFM Holley. Exhaust was Tri-Y design headers. Replace the stock mufflers with straight through glass-pack mufflers.
Replace the sump with a cast alloy version of larger capacity. Valve covers replaced with light alloy. At this point 306BHP is quoted.
As you can see there isnt too much modification. Chassis and suspension was a different story.
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post #8 of 11 (permalink) Old 08-20-05, 04:58 AM
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Re: what did shelby do to the 289s for the cobra?

Forgot to mention the optional super charger.

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post #9 of 11 (permalink) Old 08-20-05, 05:03 AM
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Re: what did shelby do to the 289s for the cobra?

Quote:
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Forgot to mention the optional super charger.
oh and the paxton option.
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post #10 of 11 (permalink) Old 08-22-05, 07:52 PM
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Re: what did shelby do to the 289s for the cobra?

Exhaust port roof raised to maximum possible

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