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What are the difference's between the edelbrock Fm354, 553 and the 573 for the ford y block?
Fomoco Low Life
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Port size?
1962 f250 currently heartless
1961 country squire 292 3 speed
1963 galaxie 390 powered
1976 f250 4wd 390 powered
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Yeah...I know that the ports on the 553 are smaller then the 573 but what's up with the 354?
Fomoco Low Life
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Couldnt find anything on an edelbrock 3x2 intake with a 354 part number. Theres an edelbrock 254 its a 2x4 intake. Maybe somebod Uy else will chime in
1962 f250 currently heartless
1961 country squire 292 3 speed
1963 galaxie 390 powered
1976 f250 4wd 390 powered
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This is my first time seeing one.
Fomoco Low Life
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I always thought that the 354 was for the 54 239/256 with the real small ports. As you know, using a 54 manifold in a later Y and vice versa is dicey . Edelbrock must have found this out when trying to fit the 54 manifold on a 55.
54 Victoria 312; 48 Ford Conv 302, 56 Bird 312
Forever Ford
Midland Park, NJ
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There's an FM 354 listed on Ebay.Seller doesn't know the application either.
 
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The port sizes are the big difference between the manifolds. There’s also a strong possibility that the FM354 manifold will have some intake gasket sealing issues if trying to use it on the larger port heads as that intake was specifically designed for the 239 & 256 Y heads. The 355 intake will have slightly better driving manners (increased lowend torque values) while the 357 intake will produce the best peak power numbers. Here’s the link to the post showing the low rpm results of the dyno test where several different three deuce intakes were pitted against each other. .. http://forums.y-blocksforever.com/FindPost40720.aspx
  Lorena, Texas (South of Waco)
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I'm running the FM354 in my truck. I now have G heads on it so I glued a 239 intake gasket to a 292 intake gasket to fix the port missmatch.
 Dennis in Lititz PA
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The reason why I had asked is because I had noticed that intake on ebay aswell. I will be running a 292 so I will need to run a bigger port such as the 553 or 573
Fomoco Low Life
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