97 cobra engine replacement

nfc35691

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Hello people i own a 91 foxbody with a 97 svt cobra engine my engine got a bent rod which id rebuild the engine but tbh im not working atm so i dont have enough saved so for now i got this idea on swapping the mark viii engine in it but my question is is this a plug and play? No this isnt going to be a hp build etc i just want to drive it again stock til i fox my cobra engine or 351w swap it my engine was completely stock im looking for a junkyard swap for now

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apsmith49921

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The mark will be a 6 bolt crank which means you'll need a new flywheel. It probably wont have a pilot bearing in the crank so you'll need one of those too. Also you'll need to swap the entire upper intake. The block and heads will be the same except the mark 8 has weaker intake cams so less power. Maybe double check the exhaust manifolds because that one I'm not 100% sure on. Also you may need to check on the oil pan as I'm not sure it's the same.

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nfc35691

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The mark will be a 6 bolt crank which means you'll need a new flywheel. It probably wont have a pilot bearing in the crank so you'll need one of those too. Also you'll need to swap the entire upper intake. The block and heads will be the same except the mark 8 has weaker intake cams so less power. Maybe double check the exhaust manifolds because that one I'm not 100% sure on. Also you may need to check on the oil pan as I'm not sure it's the same.

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Forgot to have mwntioned as well its a manual transmission from the 97 cobra as well

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nfc35691

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Forgot to have mwntioned as well its a manual transmission from the 97 cobra as well

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Ok il do some research on it and im not planning to build this engine its just to get my car driving again

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apsmith49921

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What's the cost of the mark viii engine? Maybe a bit more gets you a cobra motor

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nfc35691

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What's the cost of the mark viii engine? Maybe a bit more gets you a cobra motor

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I think like 500 at the junkyard compared to what ive seen 3k for a cobra engine

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apsmith49921

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You'll have to swap some stuff as mentioned but it is do able. Good luck with the swap.

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