428...or 429...HELP!!!!!!!
428...or 429...HELP!!!!!!!
Lead Driver
Joined: Apr 2001
Posts: 6,175
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From: Texas
sounds like FE numbers, but I don't have them memorized. cast numbers aside, how many bolts holding down the valve covers? If 5 then it's an FE (360,390,406,410,427 or 428). Determining the actual displacement after that can be a challenge. Externally, the FEs look the same.
Postmaster
Joined: Nov 2002
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From: Littleton, CO
If the motor has the intake manifold extending about an inch under the valve covers and the plugs are angled like \\ //, then that motor is of the FE engine family (could be a 352 to a 428).
If the motor is fairly large across the top, the valve covers are flat then you possibly have a "385" series motor.
Welcome aboard! --Mike
If the motor is fairly large across the top, the valve covers are flat then you possibly have a "385" series motor.
Welcome aboard! --Mike
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New User
Joined: May 2004
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Gtex......are you sure that if there is only five bolts on the valve covers, that it is a 428? See, we know it is either a 428 or a 429. But not sure which. I have had two mechanics tell me two differnt things. And I am trying to find out which it is.. If it is a FE, does that mean it would be a 428 and not a 429?
FE "Freakin Expensive"
Joined: Dec 2003
Posts: 6,461
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From: Smith Mountain Lake, VA
Like Gtex said..5 bolts on the valve cover 3 on top 2 on the bottom.. its in the FE group.
But the only way to be sure is the stroke test!! it might be a 360 to a 428?
And Welcome Aboard... Russ
But the only way to be sure is the stroke test!! it might be a 360 to a 428?
And Welcome Aboard... Russ
Posting Guru
Joined: Nov 2003
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From: Iowa
how do you know for sure its either a 428 or 429, they look pretty different, plus a 360 looks just like a 428 so without knowing internals you could have a 360, and if it was a 385 series it could be a 429 or 460, they look pretty much the same and again you wouldnt know without looking at the internals.
Post Fiend
Joined: Feb 2001
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From: Missouri
Originally Posted by ladyrebecca
Gtex......are you sure that if there is only five bolts on the valve covers, that it is a 428? See, we know it is either a 428 or a 429. But not sure which. I have had two mechanics tell me two differnt things. And I am trying to find out which it is.. If it is a FE, does that mean it would be a 428 and not a 429?
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Lead Driver
Joined: Apr 2001
Posts: 6,175
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From: Texas
Rebecca,
The FE motors all look alike for the most part. They are often labeled as 390s or 428s when it comes time to sell. When, it could easily be one of the smaller FE motors.
Assuming "Ladyrebecca" is indeed a Lady. Would she be the first to venture into the FE Forum... Doesn't seem likely, but I can't recall any other feminine types. If there were some, we must have run them off....
Might be good addition to the team :-)
The FE motors all look alike for the most part. They are often labeled as 390s or 428s when it comes time to sell. When, it could easily be one of the smaller FE motors.
Assuming "Ladyrebecca" is indeed a Lady. Would she be the first to venture into the FE Forum... Doesn't seem likely, but I can't recall any other feminine types. If there were some, we must have run them off....
Might be good addition to the team :-)
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Posting Guru
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From: Iowa
Originally Posted by gtex
Rebecca,
The FE motors all look alike for the most part. They are often labeled as 390s or 428s when it comes time to sell. When, it could easily be one of the smaller FE motors.
Assuming "Ladyrebecca" is indeed a Lady. Would she be the first to venture into the FE Forum... Doesn't seem likely, but I can't recall any other feminine types. If there were some, we must have run them off....
Might be good addition to the team :-)
The FE motors all look alike for the most part. They are often labeled as 390s or 428s when it comes time to sell. When, it could easily be one of the smaller FE motors.
Assuming "Ladyrebecca" is indeed a Lady. Would she be the first to venture into the FE Forum... Doesn't seem likely, but I can't recall any other feminine types. If there were some, we must have run them off....
Might be good addition to the team :-)
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New User
Joined: May 2004
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The man I bought this motor from claims it is a 428.....But the man I am selling it to claims it is a 429. So all we are trying to do is ID the motor. Thats why we know it is either a 428 or 429. Is there away to tell them apart and know foresure which it is?
Postmaster
Joined: Nov 2002
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From: Littleton, CO
Lady R:
What we are after are the identifying marks of the motor. A 428 and a 429 are from two different engine families, so they are visibly different. If you are standing next to the motor, a 428 will have the spark plugs angled like \\ // and there will be five valve cover bolts, these are caracteristics of the "FE" engine family. The other concern within the family is that the motor can be anywhere from a 352 to a 428 as they look similar from the outside, the true test is what crank is in the motor.
As far as the 429 is concerned, that motor will look similar to a 460, as they are in the same engine family of the "385" series. These tend to be rather wide and look pretty flat across the top of the motor.
Based on appearance, tell us which catagory your motor falls into, then if you really want to know what the displacement is, we will have to dig into the insides of the engine.
--Mike
What we are after are the identifying marks of the motor. A 428 and a 429 are from two different engine families, so they are visibly different. If you are standing next to the motor, a 428 will have the spark plugs angled like \\ // and there will be five valve cover bolts, these are caracteristics of the "FE" engine family. The other concern within the family is that the motor can be anywhere from a 352 to a 428 as they look similar from the outside, the true test is what crank is in the motor.
As far as the 429 is concerned, that motor will look similar to a 460, as they are in the same engine family of the "385" series. These tend to be rather wide and look pretty flat across the top of the motor.
Based on appearance, tell us which catagory your motor falls into, then if you really want to know what the displacement is, we will have to dig into the insides of the engine.
--Mike
Post Fiend
Joined: Feb 2000
Posts: 5,130
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From: Brea CA
D2TE-9430-AA is an FE exhaust manifold (passenger side)
D3TE-0425-AIA is not a head number, or any number for that matter. Closest it would match up to is D3TE-9425-A1A which is an FE intake manifold.
The head number is found between the spark plugs, \\ here //.
Did you say you had 5 valve cover bolts? (critical question)
D3TE-0425-AIA is not a head number, or any number for that matter. Closest it would match up to is D3TE-9425-A1A which is an FE intake manifold.
The head number is found between the spark plugs, \\ here //.
Did you say you had 5 valve cover bolts? (critical question)
Post Fiend
Joined: Feb 2001
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From: Missouri
I am getting very leary about this being a 428. All of the casting numbers you have posted are from 1972 which was a few years after 428 production stopped. I am thinking you have a truck 360 or 390.
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