I have been fiddling with various air filter/ stack arrangements for my 77, with TM/RS34 carbs. Both for looks, and hopefully to gain a little bit of hp as well.
My last setup is a pair of Mikuni velocity stacks, 70 mm long, and with a nice, large radius that gives a 3"/ 76 mm OD. In order to clamp a filter on to them, I have epoxied some rings cut from 75 mm OD drainpipe on to them, as you can see in the attached pics.
I also ordered a pair of UNI pod filters, with 3" neck, 3 3/4" OD and 4" long. Unfortunately, these are just around 2 1/2" / 63 mm inside. That means there is a lip that at least will cancel out any flow improvements from the velocity stacks. So now I am sort of stuck for options here, unless I build a custom box with UNI foam sheets,that is. I checked the Pipercross website, but no luck there either. Pretty sure K&N also will have some kind of feature that does not really fit with my stacks.
So now I wonder if anyone knows of pod filters with a 3" neck, max 4" length and 4 1/2" OD?
My last setup is a pair of Mikuni velocity stacks, 70 mm long, and with a nice, large radius that gives a 3"/ 76 mm OD. In order to clamp a filter on to them, I have epoxied some rings cut from 75 mm OD drainpipe on to them, as you can see in the attached pics.
I also ordered a pair of UNI pod filters, with 3" neck, 3 3/4" OD and 4" long. Unfortunately, these are just around 2 1/2" / 63 mm inside. That means there is a lip that at least will cancel out any flow improvements from the velocity stacks. So now I am sort of stuck for options here, unless I build a custom box with UNI foam sheets,that is. I checked the Pipercross website, but no luck there either. Pretty sure K&N also will have some kind of feature that does not really fit with my stacks.
So now I wonder if anyone knows of pod filters with a 3" neck, max 4" length and 4 1/2" OD?