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Merc 525 SC intake manifold

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Old 04-28-2021 | 09:55 AM
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Default Merc 525 SC intake manifold

New to the forum here.

'm currently having my 454 upgraded with a 525 sc Weiand 177 but it did not come with the intake manifold. The builder tells me that the intakes available almost everywhere for a 177 blower to a BBC wont fit and it has to be a Merc part which is discontinued. I'm hoping someone can shed some light on this or maybe someone has this intake and is swilling to part with it. ANY help is great appreciated!
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Old 04-29-2021 | 06:53 AM
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I have 454's will 177's with regular intake manifold. Not sure what the difference is between the merc and regular. Maybe thermostat location?


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Old 04-29-2021 | 07:24 AM
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I think what he meant to say is manifolds for a 174 blower wont fit on a 177 blower. The way the blowers mount to the manifolds is different
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Old 04-29-2021 | 08:31 AM
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Ah yes, dosen't the 174 bolt on the outside corners?
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Old 04-29-2021 | 03:44 PM
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I think he is having a problem with the thermostat housing... the chiller in the pik above is one way to fix that lol
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Old 04-29-2021 | 04:53 PM
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Originally Posted by phragle
I think he is having a problem with the thermostat housing... the chiller in the pik above is one way to fix that lol
I have some I’ll be listing for sale in the next week or two, problem solved haha.
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Old 05-02-2021 | 08:24 PM
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Victory marine in Dickinson Tx had a brand new one in the box back a few months ago.
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Old 06-19-2021 | 02:27 PM
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I have one fresh water mercury 177 intake left , 600.00 717-554-9967 MInt
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Old 07-03-2021 | 08:20 AM
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Just checked Victory Marine has a good used one and a new one. 713-910-2000
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