Hmmm...Mark VIII block for a Cobra? Will this work for my application? (98 Cobra) - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 8 Old 05-08-2002, 04:38 PM Thread Starter
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Hmmm...Mark VIII block for a Cobra? Will this work for my application? (98 Cobra)

What do you guys think? I mean will this work transparently with my engine? The cheapest shortblock I can find for a Cobra is $2,000

I've considered a build up (at $3k minimum), but I may just go with something cheap and stay NA for a few years (work on getting a bigger house instead).


Will this work, and where can I get one of these if so?

Thanks again, it seems all I do ask questions I've learned a huge amount over the years...


- 2003 Mercedes C32: Pulley, tune, intake, upg colling mods (dyno 333rwhp)
- (GONE)1998 Cobra 'Vert(gone) 4.10, 75hp N2O, pullies, LTs w. H, catback, subframes, shifter, forged blk, CAI, BAS, 281lph FP, self tuned
- (all gone, all modded): 1988lx, 1995 GST Eclipse, 2000 Grand Prix GTP
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post #2 of 8 Old 05-08-2002, 06:16 PM
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I can't tell you for sure, but the 1998 Mark has a power rating that's awfully close to the Cobra's (290/295). So maybe a later Mark block would be your best bet?



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post #3 of 8 Old 05-08-2002, 06:24 PM
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I believe that the MK VIII engine has different heads, cams, and intake... someone here might be able to verify and I'm going by what I've read. Sorry I can't be more help but at least it gets back to the top

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post #4 of 8 Old 05-08-2002, 06:55 PM
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"The latest bolt-ons and swapping tips for the 4.6 and 5.4......"

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post #5 of 8 Old 05-08-2002, 07:51 PM
 
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The Mark VIII is the same engine except for the following:

Cast steel crank (6 bolt)
Intake cams
Intake Manifold

Other than that, they're the same and will work in your Cobra.
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post #6 of 8 Old 05-08-2002, 07:56 PM
 
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The Mark VIII (1993-1998) are the same block as the Cobra (1996-1998).

The Marks and Cobras are identical except for the exhaust cams, crank (Cobras are steel),and the intake manifold.

Heres a shot of mine on the stand, it started out life as a MK8 engine then it was transformed "Cobrified" with the C cams and Crank.

I did maintain the stock MK8 manifold.



Heres another shot of it "in the hole"

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post #7 of 8 Old 05-08-2002, 08:36 PM Thread Starter
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ANyone know how strong they are?

Could it handle 320-330rwhp reliably?

What about 7,000rpms

thanks
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post #8 of 8 Old 05-08-2002, 08:42 PM
 
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Easily, its the SAME BLOCK.

Im at 350 at the engine running 13.40's.
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