Stock air filter housing 1979

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wetminkey
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Your car is a: 1979 2000 Spider
Location: Ault, Colorado

Stock air filter housing 1979

Postby wetminkey » Fri Mar 09, 2018 4:12 pm

There is a flap that diverts the intake from warm air (from near the exhaust manifold), to cool air, coming through the larger intake 'snorkel'. I don't think that the flap's thermostat is working. Is there a way to test it? And if I need to, where can a replacement be found?
I find no info on the forum, and no sources on the internet,...
Thanks, all!
Todd.
1988 Mazda RX-7
1979 Fiat Spider 2000
1978 3/4 ton Chev 4x4 P/U "FRANKENTRUCK"
1976 Camaro
1972 VW Superbeetle
1969 Ford F100
1968 Mustang coupe

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geospider
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Your car is a: 1979 Spider 2000
Location: concord, ca

Re: Stock air filter housing 1979

Postby geospider » Fri Mar 09, 2018 7:54 pm

Hey Todd,
I'll check mine out. on the shelf since I have the lunchbox filter on the weber.

been busy with upholstery; the stuff from Convertible Top Guys is great.

Geo

scusi
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Your car is a: 1979 Fiat 2000
Location: Chicago area

Re: Stock air filter housing 1979

Postby scusi » Fri Mar 09, 2018 10:25 pm

What did you buy from them to redo your upholstery?

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wetminkey
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Your car is a: 1979 2000 Spider
Location: Ault, Colorado

Re: Stock air filter housing 1979

Postby wetminkey » Sat Mar 10, 2018 12:04 am

Thanks, and I'll see if I can tear into mine a bit to determine if it's truly non-functional.
Have a good weekend!
1988 Mazda RX-7
1979 Fiat Spider 2000
1978 3/4 ton Chev 4x4 P/U "FRANKENTRUCK"
1976 Camaro
1972 VW Superbeetle
1969 Ford F100
1968 Mustang coupe

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geospider
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Your car is a: 1979 Spider 2000
Location: concord, ca

Re: Stock air filter housing 1979

Postby geospider » Sat Mar 10, 2018 12:25 am

Scusi

http://www.convertibletopguys.com/conve ... t-Spiders-

got herein about 2 weeks; looks great so far... great fit, Of course I am doing my best at first time doing this. the tan color is perfect: chamois.
pics coming

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dinghyguy
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Your car is a: 1981 spider
Location: Vancouver, Canada

Re: Stock air filter housing 1979

Postby dinghyguy » Sat Mar 10, 2018 1:28 am

Hmm m
So I took my air cleaner off the shelf and using the hair dryer I blew hot air in from the side that connects above the exhaust manifold. Things got hot to the touch but no movement of butterfly.....

But I do seem to recall there is a summer winter setting on the cleaner described in the owners manual

So sorry, no help but the wife was amused by the hair dryer episode.....

Dinghyguy with the perm
In the dungeon
1981 Red Spider "Redbob"
1972 blue Volvo 1800ES "Bob"
1998 Red Ford Ranger

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Odoyle
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Your car is a: 1983 Pinafarina Spider
Location: CA

Re: Stock air filter housing 1979

Postby Odoyle » Sat Mar 10, 2018 2:01 am

From what I recall, my 79 had separate piece which attached to the filter housing and sucked hot air above the exhaust manifold.

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wetminkey
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Your car is a: 1979 2000 Spider
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Re: Stock air filter housing 1979

Postby wetminkey » Sat Mar 10, 2018 2:33 am

That's correct, Odoyle. I'm trying to figure out how to get it to QUIT sucking warmed air once the engine is at temp.
Dan, you're a nut! Geeze,...guess I am too!
Thank you for trying!
Anyway, I've cleaned, lubed, and repeatedly moved the mechanism enough that if it doesn't work now, it's certainly dead. I'll check the Owner's Manual,...Shop Manual has nothing. Although, a strange diagram that I ran across refers to Wide Open Throttle (WOT) and idle pathways,...I thought emissions, or vacuum. I'll check. Perhaps the damn thing only opens with warmth AND carb vacuum,...
I'll post if I find out.
1988 Mazda RX-7
1979 Fiat Spider 2000
1978 3/4 ton Chev 4x4 P/U "FRANKENTRUCK"
1976 Camaro
1972 VW Superbeetle
1969 Ford F100
1968 Mustang coupe

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wetminkey
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Joined: Tue Jul 15, 2014 4:57 pm
Your car is a: 1979 2000 Spider
Location: Ault, Colorado

Re: Stock air filter housing 1979

Postby wetminkey » Sat Mar 10, 2018 1:32 pm

It's called the air cleaner throttle valve. Owner's manual pg 30. And it operates freely and spring returns it.
I'll watch for operation while running and report back if I learn anything.
Todd.
1988 Mazda RX-7
1979 Fiat Spider 2000
1978 3/4 ton Chev 4x4 P/U "FRANKENTRUCK"
1976 Camaro
1972 VW Superbeetle
1969 Ford F100
1968 Mustang coupe

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spidernut
Posts: 1905
Joined: Wed Jan 25, 2006 12:20 am
Your car is a: 1979 Fiat Spider Automatic
Location: Lincoln, CA

Re: Stock air filter housing 1979

Postby spidernut » Mon Mar 12, 2018 11:26 pm

I ran a long screw from the bottom of the air snorkel to hold it permanently open. These cars warm up so fast that the diverter didn't really make that much of a difference.
John G.
1979 Spider (Owned since 2000)
1971 124 Sport Spider (Owned since 2017)
1977 Spider (Sold 2017)
1979 Spider (Disposed of in 2017)
1979 Spider (Sold 2015)
1980 Spider (Sold in 2013)
1981 Spider (Sold in 1985)
2017 Spider (Owned since 2019)

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wetminkey
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Your car is a: 1979 2000 Spider
Location: Ault, Colorado

Re: Stock air filter housing 1979

Postby wetminkey » Tue Mar 13, 2018 12:44 am

Ha, ha! Believe me, I was planning a similar solution if I'm not satisfied with it's operation!
My big V8s do not require preheat to their 4bbl carbs, and they are HP beasts that need to warm up before driving (and about one full minute does it). My 4x4 FRANKENTRUCK goes in the snow all the time!
This inline 4 should do fine without, and I've seen exhaust manifold covers that do not have the preheater outlet on top. I'll look for one and dump the preheat setup, if I block the intake open.
Thanks spidernut!
Todd.
1988 Mazda RX-7
1979 Fiat Spider 2000
1978 3/4 ton Chev 4x4 P/U "FRANKENTRUCK"
1976 Camaro
1972 VW Superbeetle
1969 Ford F100
1968 Mustang coupe


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