Engine/Transmission (1994 - 1998) Amsoil Air Filter Question

[MAleshire]

About a month ago I read a post regarding an Amsoil BHAF that had a 4" fitting on the end. A part number was given (not the 4510 filter) which I wrote down and then forgot where I wrote it down. I cannot seem to find it on the Amsoil site which seems pretty hard to navigate. Can anyone help. Getting old, CRS!!!



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[JOdell]

Eaau4070, 4075, 4090, 4091, & 4095 all of those have a 4" ID outlet. I hope this helps. -Jason

 

[DCreed]

Eaau4070, 4075, 4090, 4091, & 4095 all of those have a 4" ID outlet. I hope this helps. -Jason

their #s break down to basically:
first 2 digits 40 = 4. 0"/ 35 = 3. 5"/ 45 = 4. 5"/ ect.
last 2 digits are length/ style 70 = 7"/ 90 = 9" / ect
IIRC if the last digit is a 1 the filter has an inverted cone on the end.
Hope that helps some.

P. S. does anyone have flow(cfm) #s for the EAAUs? I have a 4510 and my twins can pull it nearly inside-out!:--)

 

[MAleshire]

Thanks to both of you for the info.



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[DCreed]

AMSOIL Ea Air Induction Filters (EaAU)
http://www.amsoil.com/products/ea_filters/EaAU_Photos_and_Specs.pdf

 

[Gary - K7GLD]

their #s break down to basically:

first 2 digits 40 = 4. 0"/ 35 = 3. 5"/ 45 = 4. 5"/ ect.

last 2 digits are length/ style 70 = 7"/ 90 = 9" / ect

IIRC if the last digit is a 1 the filter has an inverted cone on the end.

Hope that helps some.



P. S. does anyone have flow(cfm) #s for the EAAUs? I have a 4510 and my twins can pull it nearly inside-out!:--)

Interesting on the "inside out" bit!



The one I have on my relatively stock truck is about a year old now, and pulling steepest grades with our 5er still hasn't budged the filter minder. Wonder what other guys with twins use for greater air flow?



I really can't complain about the Amsoil/Donaldson 4510 I have now - but the previous BHAF sure LOOKED more capable in surface area for greater flow...



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[CochranD]

Gary,

does that heat shield vibrate much? I had the same one and it drove me nuts.

Only herd it at idle. Ive since removed it.

 

[DCreed]

Gary, this is my filter. :-laf

I did NOT squish it! the twins actually PULLED it in like that! Most Ive seen is 55psi (it will make MUCH MORE) but alas no head studs. Thats why I'm looking for flow #s. Only answer I ever get is," Call so-n-so they make twins. Anyone ever buy a set? What filter did you get? what cfm does it flow?

 

[Gary - K7GLD]

Gary,

does that heat shield vibrate much? I had the same one and it drove me nuts.

Only herd it at idle. Ive since removed it.

Mine's bent to hold tension against the turbo cold side - and then I have a rubber pad secured between it and the turbo to cushion it against noise - no problems.

 

[CochranD]

Mine's bent to hold tension against the turbo cold side - and then I have a rubber pad secured between it and the turbo to cushion it against noise - no problems.

A pic would be nice of that. Engine looks good !

 

[Curious Dave]

Stupid question here... . Has anyone tried running 2 air filters? If they can be inverted... Why not put a "Y" in the system and install 2? Same quality of filtration... more volume. Just a thought.

 

[Curious Dave]

Oh yeah... . Gary... Where did you get the aluminum shield?

 

[DCreed]

Stupid question here... . Has anyone tried running 2 air filters? If they can be inverted... Why not put a "Y" in the system and install 2? Same quality of filtration... more volume. Just a thought.

If I could get 2 smaller filters to fit AND flow more I would certainly do it, no dice yet, but I am looking into it!

 

[Gary - K7GLD]

A pic would be nice of that. Engine looks good !

Sure - here's a pic showing the backside of the heat shield:



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And while I was at it, I took an overall pic, showing how the underhood looks as of this morning - it changes frequently! :-laf



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AS to where I got that heat shield, got it used from a TDR member - don't remember who any more. There are several plans floating around for making one up - shouldn't be too hard to make...