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  #1  
Old 09-16-2012, 09:53 PM
Snowbirds11b Snowbirds11b is offline
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Minor changes on 6.2L

Just take possession of my new f350 6.2L dually last week and found that they change the valves covers, the new ones are black in composite. Does everyones have 3 1/2 inch tail pipe, i dont talk about the chrome one?
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  #2  
Old 09-17-2012, 08:34 AM
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The tailpipe on my F250 is 3 1/2" OD.
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Old 09-17-2012, 08:42 AM
Snowbirds11b Snowbirds11b is offline
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Thanks Knothole
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  #4  
Old 09-17-2012, 10:01 AM
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Yeah we've seen the black plastic valve covers on F150 6.2's too. Not sure why Ford switched though.
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Old 09-17-2012, 12:02 PM
Snowbirds11b Snowbirds11b is offline
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Probably heat dissipation or modification in vapor management for the PCV valve, alot of time the only way to discover changes is when you ask for a specific part in the engine and they ask you the build date of the engine: before or after or the suffix change like AA to BB.
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Old 09-19-2012, 12:19 AM
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Quote:
Originally Posted by Snowbirds11b View Post
Just take possession of my new f350 6.2L dually last week and found that they change the valves covers, the new ones are black in composite. Does everyones have 3 1/2 inch tail pipe, i dont talk about the chrome one?
Congrats on the new SD! Pics...yeah...share some pics...

To be honest...I haven't noticed the valve covers on my 6.2L. Gosh...going to go take a look tomorrow.

Just interested...but what where they before???


biz
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Old 09-19-2012, 11:00 AM
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Quote:
Originally Posted by biz4two View Post
Just interested...but what where they before???
This is what the valve covers looked like on the F-150 6.2's before.

Click the image to open in full size.

2011 F250 SB 6.2:

Click the image to open in full size.
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Old 09-19-2012, 08:14 PM
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So...were they cast aluminum?


biz
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  #9  
Old 09-19-2012, 09:59 PM
Snowbirds11b Snowbirds11b is offline
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No,

Cast-iron engine block and four-bolt main bearing caps, with cross bolts, for durability
Aluminum cylinder heads, with two valves per cylinder and two spark plugs per cylinder
Cast-iron crankshaft, with dual-mode damper
Forged steel connecting rods
Cast-aluminum pistons, with cooling jets
Single overhead camshaft with variable valve timing and roller-rocker shaft valvetrain
***Magnesium cam covers for lighter weight***
Stamped-steel oil pan
Composite intake manifold
Stainless-steel fuel rail; port-fuel-injected; mechanical returnless fuel system
9.8:1 compression ratio
E85/flex fuel capable

Magnesium is a highly flammable metal, but while it is easy to ignite when powdered or shaved into thin strips, it is difficult to ignite in mass or bulk. Once ignited, it is difficult to extinguish, being able to burn in nitrogen (forming magnesium nitride), carbon dioxide (forming magnesium oxide and carbon) and water (forming magnesium oxide and hydrogen). This property was used in incendiary weapons used in the firebombing of cities in World War II, the only practical civil defense being to smother a burning flare under dry sand to exclude the atmosphere. On burning in air, magnesium produces a brilliant white light which includes strong ultraviolet. Thus magnesium powder (flash powder) was used as a source of illumination in the early days of photography. Later, magnesium ribbon was used in electrically ignited flash bulbs. Magnesium powder is used in the manufacture of fireworks and marine flares where a brilliant white light is required. Flame temperatures of magnesium and magnesium alloys can reach 3,100 °C (3,370 K; 5,610 °F),[7] although flame height above the burning metal is usually less than 300 mm (12 in).[8] Magnesium may be used as an ignition source for thermite, an otherwise difficult to ignite mixture of aluminium and iron oxide powder.
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  #10  
Old 09-19-2012, 10:17 PM
cparks cparks is offline
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My 12 Raptor also has black plastic valve covers.
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  #11  
Old 09-19-2012, 10:33 PM
Snowbirds11b Snowbirds11b is offline
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No, don't tell me Ford mixup and put a 6.2L Raptor in my F350!

-----Joking-----
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  #12  
Old 10-01-2012, 12:22 AM
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Quote:
Originally Posted by biz4two View Post
Congrats on the new SD! Pics...yeah...share some pics...

To be honest...I haven't noticed the valve covers on my 6.2L. Gosh...going to go take a look tomorrow.


biz

Remembered to post back about the valve covers. YES...they are the new black style. IMHO...not a big deal...but there you have it.


biz
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  #13  
Old 10-04-2012, 09:21 AM
Fawcett Fawcett is offline
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I've got the aluminum ones in my '12 F350, they're sweet but they are getting kind of ugly looking. I've got to detail my engine bay, they need to be polished or something.
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  #14  
Old 10-22-2012, 09:10 AM
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Quote:
Originally Posted by Fawcett View Post
I've got the aluminum ones in my '12 F350, they're sweet but they are getting kind of ugly looking. I've got to detail my engine bay, they need to be polished or something.
I did an oil change last week and noticed my '12 F350 has the black plastic covers. Must have switched sometime in '12. I don't know the build date of my truck though.
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  #15  
Old 10-22-2012, 02:53 PM
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Quote:
Originally Posted by Racer5349 View Post
I did an oil change last week and noticed my '12 F350 has the black plastic covers. Must have switched sometime in '12. I don't know the build date of my truck though.
If you wanted your build date (Month/Year), it's on the sticker on your door post.

S
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Old 10-22-2012, 02:53 PM
 
 
 
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