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#1
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I think I'm done with the foam air filters
I was inspecting the foam air filters yesterday and found them to be falling apart. They also don't do a great job of actually holding the oil on the filter element, it eventually drains down into the base and makes a mess (and yes, I only oil them lightly but evenly). Given the cost and questionable effectiveness of the foam filters I think I'm going to switch to GM paper filters and be done with it.
When we restored the car we went with the reproduction foams that do not have the AC logo. Are the reproductions with the AC logo any better? They cost more than twice as much. I like the look of the foam filters, but if they don't work all that well and don't last the expense seems to not be worth it.
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The '64 GTO The '65 Chevelle The '69 Chevy Pickup Project The Brazen Orange 2006 GTO |
#2
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I gave up on the foam a long time ago.
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#3
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I have always considered the foam filters show items only.
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#4
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There a lot of fun after a back fire lol..
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#5
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Foam Filters
When we rebuilt my tripower. I bought Napa Gold 2032 filters. They work great.
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#6
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I agree with Kenth. You can still buy the AC replacement paper filters.
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LEAD, FOLLOW, OR GET THE HE!! OUT OF THE WAY!!! HONEST JERRY'S SPEED AND EQUIPMENT
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#7
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I love the look of the foam elements. I had no problem with the AC imprinted foams falling apart. But they don't trap dirt and work nearly as well as paper. If I was driving the car much, I would use paper.
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#8
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The foam filters made by REM often come apart at the seam. I've had good success re-attaching the ends with 3M weatherstrip adhesive (black). You'd think after all these years, they'd use a better glue. I believe the same material is used for the ones marked with AC as the earlier ones. I have some made by Paul Rodkey that may use a different media.
There has always been controversy about the effectiveness/air flow ability of foam vs. paper. The OEM foam was much more dense than the repro product. Since we drive our cars mostly to shows, we leave the foams in place at all times. I believe paper is more effective in removing dirt from the airstream, but someone else will have to chime in on airflow.
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BONESTOCK GOATS '64 GTO Tripower Hardtop (Wife's Car) '64 GTO Tripower Post Coupe (My Car) '99 Bonneville SE Sedan |
#9
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Paper filters on the car now, they look good. Foams were getting worse than I was even aware.
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The '64 GTO The '65 Chevelle The '69 Chevy Pickup Project The Brazen Orange 2006 GTO |
#10
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The fact that most production cars use paper filters is reason enough for me to not use foam.
If there was any upside on foam it would get used in production, Only usefull in short dirt track races , were you wash them after every race. |
#11
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The 1st or 2nd design ? In what way ?
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#12
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The foam was falling apart.
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The '64 GTO The '65 Chevelle The '69 Chevy Pickup Project The Brazen Orange 2006 GTO |
#13
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Must have been the 1st. maker REM that has the glue seam & no lip top & bottom to seal the screen , Is that the one ?
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#14
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Nearly all the REM foams separate at the seam. There is no lip like the OEM foams, diameter is smaller, and the foam cells are much larger than OEM.
I believe there are no surviving OEM foams today. I had some NOS ones in boxes that crumbled when removed from the box. I remember seeing a comparison of air flow between foam filters & paper showing paper better than foam in every way except appearance. Anyone else have info on this?
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BONESTOCK GOATS '64 GTO Tripower Hardtop (Wife's Car) '64 GTO Tripower Post Coupe (My Car) '99 Bonneville SE Sedan |
#15
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Yes, the ones without the AC logo. The seams are fine, but foam itself is just coming apart.
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The '64 GTO The '65 Chevelle The '69 Chevy Pickup Project The Brazen Orange 2006 GTO |
#16
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A/C inside double circle ? or just plain A193C ? Post a picture.
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#17
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I always use the K&N filters. They look better than the dirty paper ones and have never had a problem with them. I have 3 NOS AC paper filters incase I ever want a show car.
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#18
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I was hitting the Junk Yards, in the later 1960s (68-70) and the Tri-Power units I saw in the yards for the most part had the screens and the top and bottom lids on the Tri-Powers intact and the foams would be completely gone from the intakes. They just fell apart, even in the 60s.
I have run the, I believe) AC220C Paper filters forever. Thanks for the Napa Gold 2032 filters information. Tom V.
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"Engineers do stuff for reasons" Tom Vaught Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward. |
#19
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Here's what they looked like on the car before they started falling apart. The foam was just crumbling in my hands.
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The '64 GTO The '65 Chevelle The '69 Chevy Pickup Project The Brazen Orange 2006 GTO |
#20
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They are the 1st design made by REM 7 are very poor quality.
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