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454 mag??

Old 06-18-2008, 04:49 PM
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Default 454 mag??

getting ready to purchase an 01 baja hammer with the stock 454 mpi how can i tell if its a mag?
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Old 06-18-2008, 07:23 PM
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should say it on the sticker on top of the intake , getting deeper if you pull a valve cover off and check the casting # on the head , i believe the mag end in 088 , and a non mag ends in 360 , ....... but .... also , 454 MPI 310 horse has a plastic cover over the intake , the Mag motor doesnt , just the aluminum intake painted black with the sticker on top

hope this helps
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Old 06-21-2008, 11:30 AM
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It will say it right on top if its a magnum engine.
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Old 06-21-2008, 08:11 PM
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doesnt say anything on top. whats the rating for an 01 454mpi it runs 68 on speedo in a 21ft baja hammer
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Old 06-21-2008, 08:24 PM
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its probably not a MAG , look for a red sticker on the Starboard (driver side) valve cover , it will give you rated horsepower , 310 and 330 are not MAG's , anything over that are , IE 365/385/415
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Old 06-21-2008, 08:33 PM
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what makes them mags? the cam and heads?
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Old 06-21-2008, 10:44 PM
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A mag motor looks like this. The intake that is. This motor has different valve covers.
Attached Thumbnails 454 mag??-cb1.jpg  
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Old 06-21-2008, 10:46 PM
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The mag motors also have forged internals where the others have cast internals.
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Old 06-21-2008, 11:00 PM
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Originally Posted by blownboat
A mag motor looks like this. The intake that is. This motor has different valve covers.
The 7.4 LX MPI 330 HP also looked like that but says that on the intake plenum
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