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12-06-2008, 02:20 PM
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#41
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2 Rivet Member
Currently Looking...
lafayette
, Indiana
Join Date: Jan 2006
Posts: 70
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Quote:
Originally Posted by 59er
I too, tow our '64 overlander with a 96 roadmaster wagon. we just returned from our 10th trip with this set up and it performed as well as always.
I usually get right at 10mpg consistently... unless I knock it down to about 60mph and then have gotten as much as 11.5!
We are actually about to relist it for sale if anyone is interested only because we've gotten a full sized van.
I've never had a problem with handling or power or comfort.
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I pmed you the other day about your Buick. I am interested in knowing more about it. Please pm me or email to twalgamuth@comcast.net.
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12-06-2008, 08:00 PM
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#42
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1972 Travelux Princess 25
Cobourg
, Ontario
Join Date: Oct 2008
Posts: 1,059
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I had a 1984 Chev Caprice Classic V8 station wagon and found out it had the same brakes rear axle and even wheels as a half ton Chev pickup van or suburban. I believe the front suspension had a lot in common too. Such as ball joints, steering parts etc.
This was completely different from the Caprice sedan which was built much lighter.
If this is also the case on the newer models of Chev and Buick full size rear drive wagons they should be better tow vehicles than a Chev half ton pickup or Suburban. Since they share the same engine, trans, suspension, brakes, and wheels but are built lower to the ground.
__________________
Living in the trailer park of sense, looking out the window at a tornado of stupidity.
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12-07-2008, 07:49 AM
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#43
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2 Rivet Member
Currently Looking...
lafayette
, Indiana
Join Date: Jan 2006
Posts: 70
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Quote:
Originally Posted by Ganaraska
I had a 1984 Chev Caprice Classic V8 station wagon and found out it had the same brakes rear axle and even wheels as a half ton Chev pickup van or suburban. I believe the front suspension had a lot in common too. Such as ball joints, steering parts etc.
This was completely different from the Caprice sedan which was built much lighter.
If this is also the case on the newer models of Chev and Buick full size rear drive wagons they should be better tow vehicles than a Chev half ton pickup or Suburban. Since they share the same engine, trans, suspension, brakes, and wheels but are built lower to the ground.
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Thanks, I'm going to see a 95 chevy wagon today. Its supposed to have a very clean body and interior and all the hd options.
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12-07-2008, 06:10 PM
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#44
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2 Rivet Member
Currently Looking...
lafayette
, Indiana
Join Date: Jan 2006
Posts: 70
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I bought the chebby. It has a really clean body and interior. It needs tires and shocks and a brake device and the tt plug receptical. It has a nice frame mount hitch.
I am enjoying it so far. Any prodding of the gas pedal results in great leaping lunges of acceleration (and dipping gas guage I suppose). It drives smaller than it looks.
Its sortof anthracite gray with overtones of purple when the light strikes it right. Light grey cloth interior with third seat. It seems like everything works so far.
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12-07-2008, 07:27 PM
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#45
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Rivet Master
1972 25' Tradewind
North Vancouver
, British Columbia
Join Date: Feb 2006
Posts: 3,421
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Of course, we're going to need pictures!
__________________
Cameron & the Labradors, Kai & Samm
North Vancouver, BC
Live! Life's a banquet and most poor suckers are starving to death! - Mame Dennis
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12-07-2008, 07:52 PM
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#46
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2 Rivet Member
Currently Looking...
lafayette
, Indiana
Join Date: Jan 2006
Posts: 70
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Quote:
Originally Posted by cameront120
Of course, we're going to need pictures!
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I have a link to the ad in Cars.com but don't know how to link it here. If I can find the Mrs. camera I can shoot some and post them, but don't hold your breath!
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03-27-2009, 04:11 AM
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#47
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2 Rivet Member
Currently Looking...
lafayette
, Indiana
Join Date: Jan 2006
Posts: 70
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I finally got all the things up to snuff on the wagon so I could do a full blown towing test. I took it out night before last and tried it out. I drove 60 miles combined on I-65 and on US 52. I didn't have the anti sway bar hooked up yet though. I did have the weight distributing bars though.
The chebby is very softly sprung and any swaying created by a semi running by was a bit too exciting without the anti sway devices but otherwise the rig was very stable. The chebby will tow the award trailer in od in fact with the 293 diff. It will pull out at any upgrade (that is running with the cruise on). The temp never came off the mark it sits on when the car is running solo.
I filled at the beginning and end to see if there is any gross defects in the way the engine is running. I got right at 10 (I know 60 miles is not a definitive test) running between 65 and 71 indicated which I believe to be actually a bit faster as I am running one size over, 235/75r15 lt tires.
The car seemed to miss a little at idle and since we are heading out to florida today I have decided not to use the wagon until I have had a chance to make some closer forays with it.
We'll be taking the trusty Dodge this time just to be on the safe side.
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03-27-2009, 06:14 AM
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#48
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Rivet Master
Currently Looking...
St. Catharines
, South Western Ontario
Join Date: Aug 2002
Posts: 2,367
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Quote:
Originally Posted by t walgamuth
The chebby will tow the award trailer in od in fact with the 293 diff. I am running one size over, 235/75r15 lt tires.
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Back in the 60's, for towing, my Dad would make the same upgrade by going one size bigger in the tire size (to increase load capacity) but it actually decreased the rear end ratio.
If the stock tire was 225/75r15 and you went up to a 235/75r/15 then the difference in circumference of the tires is 2.9%. This means that "in effect" the rear end gears are now 2.84's.
__________________
Airstreams..... The best towing trailers on the planet!
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04-04-2009, 07:06 PM
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#49
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2 Rivet Member
Currently Looking...
lafayette
, Indiana
Join Date: Jan 2006
Posts: 70
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Quote:
Originally Posted by Road Ruler
Back in the 60's, for towing, my Dad would make the same upgrade by going one size bigger in the tire size (to increase load capacity) but it actually decreased the rear end ratio.
If the stock tire was 225/75r15 and you went up to a 235/75r/15 then the difference in circumference of the tires is 2.9%. This means that "in effect" the rear end gears are now 2.84's.
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Yes, I knew that but did not do the math. Thanks very much for doing if for me!
It appeared that I am about 3-4% pessemistic now by the mile markers on the interstate.
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04-05-2009, 07:34 PM
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#50
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1972 Travelux Princess 25
Cobourg
, Ontario
Join Date: Oct 2008
Posts: 1,059
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A good set of heavy duty shocks will calm the sway.
For best towing you should be using SMALLER tires than stock. Or at least lower profile. If your OEM tires were 225 75 R15 try 225 60 R15. This will further reduce sway and have the same effect as changing your rear axle gears to the next lower gear set.
__________________
Living in the trailer park of sense, looking out the window at a tornado of stupidity.
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04-06-2009, 05:36 AM
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#51
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2 Rivet Member
Currently Looking...
lafayette
, Indiana
Join Date: Jan 2006
Posts: 70
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Quote:
Originally Posted by Ganaraska
A good set of heavy duty shocks will calm the sway.
For best towing you should be using SMALLER tires than stock. Or at least lower profile. If your OEM tires were 225 75 R15 try 225 60 R15. This will further reduce sway and have the same effect as changing your rear axle gears to the next lower gear set.
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Well, good idea but I just invested a lot of money in these tires so I won't be changing them anytime soon!
I just put on a set of Monroe sensatrax on the front. The rears seem to be unavailable.
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04-06-2009, 05:48 AM
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#52
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Rivet Master
Currently Looking...
St. Catharines
, South Western Ontario
Join Date: Aug 2002
Posts: 2,367
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Quote:
Originally Posted by Ganaraska
A good set of heavy duty shocks will calm the sway.
For best towing you should be using SMALLER tires than stock. Or at least lower profile.
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The grippy lower profile tires really work well. We are using stock Ultra high performance P215X55X17's.
__________________
Airstreams..... The best towing trailers on the planet!
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04-07-2009, 11:16 AM
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#53
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Rivet Master
1975 Argosy 24
Collierville
, Tennessee
Join Date: Oct 2007
Posts: 727
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If my estate wagon came with 225/75/15 tires and they have been replaced with 255/70/15 what has effectively been done to the rearend gear ratios? Thanks for playing.
__________________
Different strokes for different folks!
I never learned from a man who agreed with me.
Heinlein
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04-07-2009, 11:47 AM
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#54
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Rivet Master
Currently Looking...
St. Catharines
, South Western Ontario
Join Date: Aug 2002
Posts: 2,367
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Quote:
Originally Posted by mrmossyone
If my estate wagon came with 225/75/15 tires and they have been replaced with 255/70/15 what has effectively been done to the rearend gear ratios? Thanks for playing.
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A rough calculation shows the new 255 tires are a pinch larger in dia. (5% larger). Multiply your rear end ratio by .95 and that should give you the new ratio.
Example: If your actual rear end gear ratio is 3:30 to 1 then the 255 tires have "in respects" changed it to 3:13
If you would have gone to 255X65X15" tires the rear end ratio would have stayed almost the same. In most cases folks that are into towing try to reduce the tire diameter to improve the rear end ratio.
Tire Size Information
I believe the info I posted is reasonably accurate but welcome other opinions
__________________
Airstreams..... The best towing trailers on the planet!
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04-08-2009, 04:00 AM
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#55
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2 Rivet Member
Currently Looking...
lafayette
, Indiana
Join Date: Jan 2006
Posts: 70
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I convert it all to millimeters. 15"d / .75 x 19 = 380. 225 x .75 x 2 = 337.5 + 380 = 717.5 d.
255 x .7 = 178.5 x 2 =357 + 380 = 737 737 / 717.5 = 1.027 or .27% error...at 65 mph indicated (if your speedo is accurate) that would mean you are traveling 66.7 mph. The odo will be off the same percentage, again if it is accurate to begin with.
When ever I buy a new vehicle I check the odo against the mile markers for about 10 miles to see how accurate the odo is. These days most are pretty accurate.
Back in the sixties it was not uncommon for them to be off 15 or 20%. (The warranty ran out a lot faster that way).
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04-08-2009, 04:25 AM
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#56
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Rivet Master
Commercial Member
2019 27' Tommy Bahama
London
, Ontario
Join Date: Aug 2007
Posts: 1,347
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In their day we set up a lot of these wagons for towing. Usually we used 215/75R x 15" LT Load Range C tires. These dramatically improved handling. If we wanted something that filled the wheel wells more we would use a 16*8" wheel with 225/60HR x 16" Tires. Today I might look at a 17 x 7.5" rim with a 235/55R x 17" tire. Not that this would work much better it would just look good and 16" rims are getting harder to find.
The problem with a 255 tire on the stock 7" wide rim is that there is a lot of sidewall roll in the tire and rim combination as well a 7" rim does not do a very good job of keeping the tread of a 255 tire planted on the road.
I hope this helps.
Andy
__________________
Andrew Thomson London, Ontario
"One test is worth a thousand expert opinions." Tex Johnston, Boeing 707 test pilot
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04-08-2009, 04:30 AM
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#57
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Rivet Master
Commercial Member
2019 27' Tommy Bahama
London
, Ontario
Join Date: Aug 2007
Posts: 1,347
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One more thing. With a little prying the rear sway bar from a Caprice Police car will bolt onto the wagon. These were only about $120.00 from GM parts back then. I am not sure if they are available from parts now but the wreckers would have them. There are two U shaped pieces of steel about 6" long that fit in the lower control arms and then the sway bar bolts to these.
Monroe Sensa Trac front shocks and Monroe Rear Air Shocks used to round out our modifications.
Andy
__________________
Andrew Thomson London, Ontario
"One test is worth a thousand expert opinions." Tex Johnston, Boeing 707 test pilot
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04-08-2009, 06:44 PM
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#58
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Usually Sleepy
1973 27' Overlander
East Haven
, Connecticut
Join Date: Aug 2007
Posts: 1,155
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I towed for a little over one season with my 96 Roadmaster wagon. It tows like a champ.
that is a 72 Argosy 22. I would not hesitate to tow my 27' Overlander with it. LT1 engine, positraction, tow pkg, prodigy brake controller.
Sorry I did not read all of the posts. I hope this helps.
__________________
Skip
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04-09-2009, 03:54 AM
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#59
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2 Rivet Member
Currently Looking...
lafayette
, Indiana
Join Date: Jan 2006
Posts: 70
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Great stuff!
I have my eye on a police car that has front end damage. I might just buy the whole thing. I like several things on it....rear sway, rear axle with disc brakes, wheels, and probably a lot of other things that I don't realize are nice....I would like an old fashoned speedometer with a dial and needle. The digital POS that I have leaves me very cold.
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04-11-2009, 09:48 PM
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#60
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Rivet Master
1975 Argosy 24
Collierville
, Tennessee
Join Date: Oct 2007
Posts: 727
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Thanks guys.
__________________
Different strokes for different folks!
I never learned from a man who agreed with me.
Heinlein
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