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Phantom 4-75 vs fireball 4-90

Old Marine Engine » Gray Marine Gas Engines - 4, 6, and 8 cylinder » Phantom 4-75 vs fireball 4-90 « Previous Next »

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Paul Roberts
New member
Username: prewarcentury

Post Number: 1
Registered: 10-2022
Posted on Tuesday, October 04, 2022 - 07:58 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I have a phantom 4-75 that is driving a 38 century. It�s really underpowered despite being a rebuilt engine. Later I gather Century installed 115 and up. Given the configuration I can only fit a 4cyl into the boat and wondered if anyone knew whether the fireball 90 would be a good upgrade? Also, anyone have one for sale that is in good shape? Many thanks! I�m new to this group but watching for some time. Thanks
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Jim Staib
Senior Member
Username: drrot

Post Number: 293
Registered: 09-2008


Posted on Tuesday, October 04, 2022 - 09:02 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Find the original sales sheets. Will give top speed for each engine. Probably only a couple MPH.

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