Free flow air cleaner -- now what?

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tonyfromjersey

Free flow air cleaner -- now what?

Post by tonyfromjersey »

I got my free flow air cleaner ready to install this weekend. When I remove the stock air cleaner on my 77 and discard that big hose, what else do I need or want to do? There's a big shroud that the air hose comes up from, if I take that off, what else am I exposing?

I am in New Jersey and don't have to pass smog inspection as I am registered as a classic, therefore no inspection.
mbouse

Re: Free flow air cleaner -- now what?

Post by mbouse »

i believe you are referring to the crankcase breather hose that was originally plugged into the bottom of the stock air cleaner assembly.

sounds like that new "performance" air cleaner kit did not include a nozzle to attach the breather hose. you can:

1. exchange that air cleaner for one with a nozzle then attach the hose
2. drill a hole in the bottom of that air cleaner and install your own nozzle then attach the hose
3. buy a small round air cleaner from the local parts store and secure that to the top of the breather hose.

i would not cut the hose short and leave it dangle. eventually the entire driver's side of your engine will get coated with a "nice" film of oil from the fumes expelled by the normal operation of your engine.
tonyfromjersey

Re: Free flow air cleaner -- now what?

Post by tonyfromjersey »

Mike,

Thanks. It came with a way to attach the crankcase breather hose. I am talking about the hose that runs from over by the manifold to the air intake on the stock cleaner. I think it's part of the smog control system. I have to go start taking it apart to see what is under that shroud covering the manifold. I can send you a picture tomorrow if you like. I guess I am going to Home Depot for some screws and snap kit things. If I can't find it, I'll gladly buy you a beer. If you ever get out east I have some real German beer I brought back from my last overseas trip.

Tony
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kilrwail
Posts: 1100
Joined: Wed Mar 04, 2009 6:49 am
Your car is a: 1978 Fiat 124 Sport Spider
Location: Perth, Ontario

Re: Free flow air cleaner -- now what?

Post by kilrwail »

That 50 mm hose provides heat form the exhaust header to pre-heat the air going into your carb in cold weather. If you never drive when it's cold, you don't need it. The shield over the exhaust manifold has another function though. It isolates the ignition components from the extreme heat of the exhaust. That you do need, either in stock form or through some other device.
_____________________________________________________________
Peter Brownhill

1978 Fiat 124 Sport Spider - original owner
1977 Porsche 911S - track car
2022 Ram 4 x 4 - hauler
PCA National Instructor and Motorsport Safety Foundation Level 2 Instructor
tonyfromjersey

Re: Free flow air cleaner -- now what?

Post by tonyfromjersey »

I never drive it in cold weather, at least not much below 50. I've been dying for some warm weather since I got it back, the weather in New Jersey has been miserable the last few weeks.
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kilrwail
Posts: 1100
Joined: Wed Mar 04, 2009 6:49 am
Your car is a: 1978 Fiat 124 Sport Spider
Location: Perth, Ontario

Re: Free flow air cleaner -- now what?

Post by kilrwail »

That's too bad. We haven't had a decent snowstorm since late January and it's been sunny and mild(ish) for weeks. I've had my cars out since March 14, including today which was about 15 C (60 F). Your time will come :)
_____________________________________________________________
Peter Brownhill

1978 Fiat 124 Sport Spider - original owner
1977 Porsche 911S - track car
2022 Ram 4 x 4 - hauler
PCA National Instructor and Motorsport Safety Foundation Level 2 Instructor
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