Break intake manifold loose

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Old November 10th, 2017, 05:01 PM
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Break intake manifold loose

Hello,

Working on my '70 442 - replacing intake gasket, even though rebuild was within 15k miles. Having difficulty getting the manifold to break loose (still in car). I can't seem to get the crowbar, or equivalent, anywhere to get some good leverage. Any tips on this? Also, is there a suggested solution that can be applied and will dissolve the gasket over time; similarly to breaking rusted hardware loose? I did the intake on my Rallye a few years ago and that thing broke loose a lot easier than the 442.

Thanks in advance.
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Old November 10th, 2017, 05:56 PM
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Take the water neck off and pry up through the thermostat hole.
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Old November 10th, 2017, 06:41 PM
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Or if the lift loop is still on the left side, put a pry bar through it and lift.
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Old November 11th, 2017, 11:51 AM
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Originally Posted by Yellowstatue
Or if the lift loop is still on the left side, put a pry bar through it and lift.
If the lift loop is still in place, that means that the intake is still bolted to the block.

I usually use a large flat blade screwdriver in the front rubber end seal, between the intake and the block. That surface is not as critical as the intake to head surfaces, and I use RTV there instead of the rubber anyway.
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Old November 11th, 2017, 09:48 PM
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I was thinking about that after I went to bed yesterday and realized that too!!
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Old November 12th, 2017, 06:23 AM
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I often go to bed with a problem and wake up with a solution at hand!
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Old November 12th, 2017, 08:38 AM
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Make darn sure you have all the bolts out. The method Joe stated works great. However, it works so well that if you leave a bolt in you will break the intake. So double check. (you know how I know this right?)

Larry
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