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Username Post: offset blazer rearend        (Topic#354710)
49betty 
Poster
Posts: 19

Reg: 12-01-18
01-03-19 05:47 PM - Post#2756508    

Hello. Asking anyone if the offset of the driveshaft on a 4wd Blazer S10 rearend is an issue when using it to convert to an open driveline. It seems to be about 1 inch off center. Im putting it behind a newer 3 on the tree transmission with a 261 inline. 3.42 gears I believe.



 

Chevs of the 40s

Bel Air kiwi 
Valued Contributor
Posts: 4420
Bel Air kiwi
Loc: New Zealand
Reg: 04-24-14
01-03-19 11:19 PM - Post#2756532    
    In response to 49betty

Hi Betty49, Congrats on finding a 261. Have a think about putting the S10 5 speed floor shift behind that engine and it will really respond well.

The three-speed manuals are one of the features that really date our cars and hold them back in modern traffic. Although the 5 speed is floor change and does require some adaption it really brings these old cars alive.


Bendix brakes, 53-4, steering box, electronic ignition, a shock absorber x-member and more gears are the top five improvements for these cars in six-cylinder form.

Cheers Kiwi



48 3100 RHD, 51 Deluxe 4DR RHD, 51 Bel Air parts car, 52 Bel Air P-Glide LHD. Others 23T, 32 Tudor, 58 Edsel pacer 4DR HDT, 79 F250 351C RHD. 69,70,82 Capri. No mobile, no TV, and no Jap cars.

"They made a desert and called it peace." Tacitus


 
49betty 
Poster
Posts: 19

Reg: 12-01-18
01-04-19 04:18 AM - Post#2756538    
    In response to Bel Air kiwi

Thanks for those thoughts. Im sure it is good advice about the 5 speed. Ive actually got a 5 Speed behind a 230/250 in a 1950 5 window that is my going to town for coffee truck and it is fun. Ive put disc brakes on the front of the car and I kind of liked the idea of keeping the 3 on the tree. What exactly is the X member shock absorber?



 
49betty 
Poster
Posts: 19

Reg: 12-01-18
01-04-19 04:24 AM - Post#2756539    
    In response to 49betty

Also I might be able to locate a 53-4 steering box. What is the benefits of that? Is it power or just easier/more leverage steering? Thanks, Kiwi, for any advice.



 
eplantage 
Frequent Contributor
Posts: 2157

Loc: Southern MN
Reg: 03-15-04
01-04-19 04:48 AM - Post#2756541    
    In response to 49betty

It involves adding a crossmember between the frame side rails to attach the top of shock absorbers to rather than the factory floor mount.

Age: 65 at the moment
1950 Chevrolet Sedan Delivery
1953 BelAir Convertible Project
2002 Heritage Springer FLSTSI
1930 Model A Standard Coupe


 
49betty 
Poster
Posts: 19

Reg: 12-01-18
01-04-19 05:12 AM - Post#2756543    
    In response to eplantage

Oh yes, I remember reading about that in these posts somewhere. Thanks. Would it be possible for you to direct me to a picture of that cross member. No worries if you cant. I don't have the computer talents to deal with pictures.



 
2blu52 
"18th Year" Silver Supporting Member
Posts: 18692
2blu52
Age: 85
Loc: Montana
Reg: 03-12-02
01-04-19 05:58 AM - Post#2756544    
    In response to 49betty

The parts in the 53/54 steering box are interchangeable in the older box, but all parts must be used. No power steering with the standard box but 53 was the first year power steering was available. The benefit of the later model box is it uses bearings instead of bushings.

"PEACE IS THAT GLORIUS MOMENT IN HISTORY WHEN EVERY ONE STANDS AROUND RELOADING"

THOMAS JEFFERSON


 
Keith_Knox 
Moderator and "17th Year" Gold Supporting Member
Posts: 6066
Keith_Knox
Age: 77
Loc: Napa, Ca USA
Reg: 04-02-00
01-04-19 07:13 AM - Post#2756546    
    In response to 49betty

Chevs of the 40's sell a kit for it.

29-41, 42-48, 49-54 Moderator
1948 Chevy Fleetmaster Coupe Purchased 6/2010. Stock with rebuilt 52 216 installed May 1966.
1946 Chevy 1/2 ton pickup, stock. Purchased 11/18/17.
1962 Ranchero Purchased 4/2017 221 V8 Auto. Sold 9/20/18
2013 F150


 
eplantage 
Frequent Contributor
Posts: 2157

Loc: Southern MN
Reg: 03-15-04
01-04-19 07:28 AM - Post#2756547    
    In response to 49betty




here is an example from 40grit's 53 convertible build.

Age: 65 at the moment
1950 Chevrolet Sedan Delivery
1953 BelAir Convertible Project
2002 Heritage Springer FLSTSI
1930 Model A Standard Coupe


 
lobucrod 
Contributor
Posts: 632
lobucrod
Age: 66
Loc: Springtown Texas
Reg: 10-01-07
01-04-19 08:10 AM - Post#2756554    
    In response to 49betty

The offset is no problem at all. Many vehicles have more offset that that. Some offset either side to side or up and down is beneficial anyway. It allows the rollers in the ujoints to work around some and not stay in the same place which would cause the rollers to wear into the u-joint trunions more.

'38 Chevy Coupe Gasser 409 powered
'50 Sedan Delivery 401 Nailhead powered
'62 Buick Electra original survivor


 
drew1987 
"6th Year" Silver Supporting Member
Posts: 3074
drew1987
Age: 31
Loc: Rochester, New York
Reg: 02-23-14
01-04-19 11:10 AM - Post#2756561    
    In response to lobucrod

I went from a 50 box to a 54. It is better, for sure, but there are also ways of using this stock front end with power steering. An astro van box, early Camaro MANUAL steering pitman, and a 1" model A ford pitman ball allow you to use a power steering gear. fabricate brackets to mount, or pay $1000 on line for a kit if its still available. Also, a bearing in the end of the stock column and a rag joint and your good to go. I havent done this, i am sitting on a camaro clip


Congrats on the 261!

Andrew D. Carapella (Drew)

'50 Deluxe 4dr v8 auto

Member:

Rochester Street Rods - Est. 1970
http://www.rochesterstreetrods.org

CrossMembers Car Club - Hebrews 12:2
http://www.crossmemberscc.com


 
40grit 
Contributor
Posts: 434
40grit
Age: 73
Loc: Chattanooga, Tn
Reg: 07-08-13
01-04-19 05:14 PM - Post#2756580    
    In response to drew1987

Forgive me for being so vain but I just had to update that picture of my shock crossmember.

John



Just Slightly Abrasive


 
49betty 
Poster
Posts: 19

Reg: 12-01-18
01-04-19 05:35 PM - Post#2756583    
    In response to drew1987

Thanks for the picture of the cross member and all the ideas. I think I can locate a later steering box so I may try that. How does the shock absorber cross member improve the car. Must be an obvious answer that I cant see. I wish I had found this forum earlier. There is a ton of good information among all you guys. Thanks again.



 
40grit 
Contributor
Posts: 434
40grit
Age: 73
Loc: Chattanooga, Tn
Reg: 07-08-13
01-04-19 05:56 PM - Post#2756586    
    In response to 49betty

Three things actually.

First, The crossmember removes the vibration being transferred to the body floors and isolates it somewhat in the chassis.

Secondly, most early Chevy's have the shock mounts cracked out. The sheet metal mounts would work harden and crack out over time.

Thirdly, a properly built crossmember will not flex as much and will enable the shock to better function.

John

Just Slightly Abrasive


Edited by 40grit on 01-04-19 05:57 PM. Reason for edit: No reason given.

 
56sedandelivery 
Dedicated Member
Posts: 5514
56sedandelivery
Age: 67
Loc: Everett, Wa.
Reg: 02-26-08
01-04-19 05:58 PM - Post#2756587    
    In response to 49betty

Don't forget, the 53-54 steering column/box will get you integral turn signals, AND is about an inch shorter, to give you more "belly room". Dang, I miss my 51 Bus Coupe! I am Butch/56sedandelivery.




 
49betty 
Poster
Posts: 19

Reg: 12-01-18
01-05-19 10:40 AM - Post#2756636    
    In response to 56sedandelivery

Hi Butch! I can always use more belly room! Do you have to use the whole column or can you just swap the guts out of the steering box. Im not sure of the quality of the donor steering box/column. Its been open to the weather up here in Alberta for a long time...



 
50_Fastback 
"5th Year" Silver Supporting Member
Posts: 130
50_Fastback
Loc: California Central Coast
Reg: 09-08-14
01-06-19 04:03 PM - Post#2756731    
    In response to 40grit

40 Grit,
Do you have a pic of the lower shock mount on your car?

Ron Starkey

Life's full of risks..........take one!

'50 Fleetline 350/350



 
40grit 
Contributor
Posts: 434
40grit
Age: 73
Loc: Chattanooga, Tn
Reg: 07-08-13
01-06-19 05:27 PM - Post#2756736    
    In response to 50_Fastback

Surprizingly, I did not find one. I did find this one if you can zoom in on it.

The lower shock mount and U -bolt plates are factory origional. I did measure my travel and ordered a shock that is an inch shorter than factory though I have been told the stock shocks will work. That I can not vouch for.

John



Just Slightly Abrasive


 

Chevs of the 40s

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