Spitback Cap Test - 661

[MustangMike]

It had foam till i replaced the filter with an HD-2. Made a big difference in performance.

 

[junkman]

It had foam till i replaced the filter with an HD-2. Made a bid difference in performance.

Till they get soaked with fuel i found out .

 

[mdavlee]

044 intake tract is longer to the filter as well.

 

[MustangMike]

Got em on 2 044s and a 440, none have been soaked.