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Old 12-28-2015, 06:12 PM   #421
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1974 20' Argosy 20
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Originally Posted by PeterH-Airstreamer View Post
Brad,
Curved drawer front: 34 1/4" wide
Drawer 27 1/8" wide and 27" deep at the top, less at the bottom due to the curve
depth of drawer 8 3/4"
Hope this helps you decide what to do
sorry these pictures are fuzzy, but they show where i took the measurements
Thanks Peter!

The numbers are clear enough for me to work with. I have pictures of the battery tray I repaired on the 310 so with those pictures and your dimensions that should do it.

I'll see what the battery tray looks like in Martin's coach before I make a finally decision. Who knows it might be a hybrid of two!

Brad
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Old 12-31-2015, 11:05 AM   #422
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Yesterday I dropped off a bunch of Argosy parts to be steel shot blasted and this morning I picked them up. They shot blasted the rear fuel tank, front fuel tank supports and straps, shifter rod between column & transmission, rear transmission cross member (from 345), front frame shield for radiator, rear anti-sway bar, gray water tank lower support framework and latching bar for the front hood. Not bad for $40
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While replacing the sill plates on my friends house my 12 ton bottle jack finally crapped out. I bought the jack in 1986 and used it for the hydraulic press that I built and for lifting the Argosy when needed. Since I now needed a new bottle jack I decided to splurge and bought one of the air over hydraulic units. Now I can raise the front end of the Argosy and start working on the front suspension.
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Old 12-31-2015, 01:08 PM   #423
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Quote:
Originally Posted by bkahler View Post
..

While replacing the sill plates on my friends house my 12 ton bottle jack finally crapped out. I bought the jack in 1986 and used it for the hydraulic press that I built and for lifting the Argosy when needed. Since I now needed a new bottle jack I decided to splurge and bought one of the air over hydraulic units. Now I can raise the front end of the Argosy and start working on the front suspension.
Attachment 254883
That is a good lifespan, but I think all the bottle jacks I own are even older than that..
I prefer using my 5 ton floor jack to work on 1 wheel at a time, but I didn't pull the front springs for the ball joint work. If you don't pull the spring you have to keep a jack under the lower arm. But you knew that..
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Old 12-31-2015, 07:53 PM   #424
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That is a good lifespan, but I think all the bottle jacks I own are even older than that..
I prefer using my 5 ton floor jack to work on 1 wheel at a time, but I didn't pull the front springs for the ball joint work. If you don't pull the spring you have to keep a jack under the lower arm. But you knew that..
I'm going to work on the ball joints on one side at a time. I'll be dismantling the entire front suspension to figure out why the nuts aren't threaded fully onto the studs. Besides I want to change the springs to a heavier rating so I don't have to run air bags so this is a perfect time to make the swap.
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Old 12-31-2015, 08:12 PM   #425
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Just curious Brad. Why do you want to eliminate the front air bags? I like the way the air bags work on mine. They seem to handle the weight without the harsh ride you get from stiff springs.
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Old 01-01-2016, 10:07 AM   #426
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Just curious Brad. Why do you want to eliminate the front air bags? I like the way the air bags work on mine. They seem to handle the weight without the harsh ride you get from stiff springs.
Greg, you'll find a lot of posts about the topic of using the springs with air bags or eliminating the air bags and upgrading the front springs to heavier spring rates.

Some say the air bags were added because Airstream overloaded the front suspension and used air bags to compensate. Others say they were added for ride comfort.

From what I can gather it seems to boil down to preferences and my preference is to eliminate a maintenance headache when I can.

Brad
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Old 01-01-2016, 10:41 AM   #427
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Greg, you'll find a lot of posts about the topic of using the springs with air bags or eliminating the air bags and upgrading the front springs to heavier spring rates.

Some say the air bags were added because Airstream overloaded the front suspension and used air bags to compensate. Others say they were added for ride comfort.

From what I can gather it seems to boil down to preferences and my preference is to eliminate a maintenance headache when I can.

Brad
I'm fairly sure the early 20ft didn't have them to start with - mine doesn't have them and there are no signs they were ever installed (the shop reported it has 5000lb rated front springs). They seem to have started using them on the shortest MH around 1977.
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Old 01-01-2016, 02:18 PM   #428
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Martin, do you know if the 5000 lbs applies to one spring or both together?

The springs I originally bought back in 2008 to replace the old springs were Moog 6560. Their rating is 3,789 lbs per spring or for the pair 7,578 lbs. What's interesting is browsing the RockAuto website for springs on the 1974 chassis the highest rated springs are the 6560 springs but they are supposedly a chassis that has the JB7 brakes. Our coaches have JB8 brakes. Unfortunately RockAuto doesn't list springs for coaches with JB8 brakes

I checked every year from 74 to 86 and the same springs are called out for each year. Around 79 or 80 they stopped mentioning brake type altogether and just listed springs. None are rated any higher than the Moog 6560 springs.

The front spring issue is just way to confusing, for the time being I think I'm just going to stick with the new springs I bought back in 2008 (7,578 load rating per pair) and be done with it. If it porpoises while driving I'll add air bags.

One more problem solved

Brad
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Old 01-01-2016, 03:03 PM   #429
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Hi Brad, maybe I am making an incorrect assumption but this is what happened...

Before I bought the new dampeners and steering components I asked the shop what coils to order from the Henderson range. Henderson have the SS250 as the lowest front axle weight (3900-4300lbs), SS255 (4400-4900lbs), SS260 (5000-5300lbs), and higher. The shop reported I already had good 5000lb coils fitted (so I am assuming combined for the front axle) and that I didn't need to change. This makes some sense as the 20ft is listed as 6800lb curb weight (3700lb front) and only 11000lb GWVR (5000lb front/6000lb rear) so having 5000lb front coils agrees with the 5000lb front maximum.

If anything it seems the 7500lb Moog springs will be too stiff. Bear in mind that I only have the 350 block, which must be lighter than the 454.
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Old 01-01-2016, 05:55 PM   #430
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I wonder how the shop determined what springs you have. Unless the springs had some sort of label on them the only way I know of checking springs is with a spring tester like this.
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Typically the spring weights are listed individually, the Moog 6560 that I have on my coach are each rated at 3,789 lbs each. I have two different weight listings on my Argosy. The plate at the front in the engine compartment lists the gross weight as 10,500 with 4,300 front and 6,200 rear.

However this plate was attached to the drivers side wall panel.
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It lists the weights as 11,800 with 4,300 front and 7,500 rear. Apparently Airstream changed the rear springs prior to delivering the coach to the dealer.

What it all amounts to is I have no idea what front springs would be considered "correct" for my coach!

As for the rear springs I've not been able to find a set that matches what I seem to have on my coach. I have what I think is called 7/1 springs rated at 3,390 lbs each which gives a total of 6,780 lbs. That's a 920 lbs short of the rating of 7,500 that Airstream gave the coach.

Maybe I should just stick to programming....
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Old 01-02-2016, 07:04 AM   #431
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Seems to confirm the instructions on the Henderson website Brad....they say you have to get the MH weighed and then choose the springs!
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Old 01-02-2016, 03:14 PM   #432
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Since I have to have springs installed to get it weighed I might as well use what I've got until I can make an informed decision
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Old 01-02-2016, 07:39 PM   #433
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........... and my preference is to eliminate a maintenance headache when I can.

Brad
The only way for me to do that would be to get rid of theAirstream!! LOL!
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Old 01-03-2016, 06:00 AM   #434
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The only way for me to do that would be to get rid of theAirstream!! LOL!
Well....I can't argue with that
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