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Jameel's Avatar
 
Join Date: Oct 2015
Location: Iowa
Posts: 573
Quote:
Originally Posted by thefaculty View Post
I agree - perhaps my parts list for this project is wrong. This is what I have been told I would need but it does feel expensive. Can you let me know if this looks correct?

Left hot air duct, 930.106.321.02,
4 plastic nuts, 999.591.592.40,
2 rubber plugs, 999.703.044.50,
Right hot air duct, 911.106.327.00,
Right engine cover plate, 911.106.036.00,
Right engine cover, 911.106.827.00,
Right air duct support, 911.106.331.00,
I did a pretty thorough post on backdating the heat on a '79 SC and an '83 SC. The '79 we also deleted the A/C and smog pump, but kept the A/C on the '83, so you can compare. Definitely remove the hoses, they are long and weigh a lot. We also removed every A/C component from the '79, there is no remnant of it anywhere. It all adds up. These cars are spec'd pretty much exactly the same (sunroof, power windows, in other words, heavy stuff) and the '79 weighs 74 pounds less than the '83.

Here's the post. Backdated Heat Tech Article

And here's a pic of the '79 before we did the work, and after.
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1983 SC Coupe Chiffon White
3.0 rebuilt by me
9.5:1 964 Cams. SSI's Backdated heat.
Old 06-16-2018, 06:42 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #41 (permalink)
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1983 SC Coupe Chiffon White
3.0 rebuilt by me
9.5:1 964 Cams. SSI's Backdated heat.
Old 06-16-2018, 06:44 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #42 (permalink)
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Jameel- great backdate post, it's been a huge help. I had all the major pieces but the part numbers for the fasteners made life easier.

I removed the last of my AC components last week. Looks like a total of almost 70lbs.
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1982 911 SC 229,000mi and counting

Last edited by QueWhy; 06-16-2018 at 08:02 AM..
Old 06-16-2018, 07:57 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #43 (permalink)
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Quote:
Originally Posted by Bob Kontak View Post
If you are considering the backdate heater setup there is a downside in that the heat is blown with the engine fan. Cruising no issue. Get into a peppy run and forget to turn down the heater and your shoes melt.

That electric blower fan does a pretty good job despite it's appearance with the hoses.
So, I checked out the electric blower fan. The airflow is anemic by itself, especially so to the passenger side where it would be most needed in my case, so it's an assist to the engine fan. Probably going to delete it.
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Old 07-10-2018, 11:52 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #44 (permalink)
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the reason for the blower was to defrost / defog the windshield at idle ( safety add ) when the car was cold as there was not enough pushed. I really doubt its needed.

Mine is there but is gutted ( I actually like the original look and prefer it over backdated look )
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1976 Yamaha XS360 ( Beats Walkin')
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Old 07-11-2018, 07:31 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #45 (permalink)
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Originally Posted by theiceman View Post
the reason for the blower was to defrost / defog the windshield at idle ( safety add ) when the car was cold as there was not enough pushed. I really doubt its needed.
I tend to agree. I could hardly feel the air flow at the feet outlets on the passenger side.

Quote:
Mine is there but is gutted ( I actually like the original look and prefer it over backdated look )
Are you still running the heater tubes through or is your heating backdated ?
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Old 07-11-2018, 07:55 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #46 (permalink)
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Send a message via AIM to fintstone
Personally, I like A/C...In a 911 or a Ford. From an old thread:
Quote:
Originally Posted by fintstone View Post
This article addresses weight. The author built an durable, attractive, modern, working system that weighed @ 70 lbs from readily available used and aftermarket parts.
Obligatory 32F AC vent image
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Old 07-12-2018, 03:27 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #47 (permalink)
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