Pre 84 Trucks 1st gen pickups

rear springs 48" and 51"

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Old Oct 8, 2012 | 11:14 PM
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rear springs 48" and 51"

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Last edited by CAdot; Jul 10, 2016 at 04:33 AM.
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Old Oct 9, 2012 | 07:32 AM
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From: The Dalles, OR
I don't know of many people doing that while your at the work may as well do a Chevy 63 or ford f150 swap its not much more work. And I think you'll get less lift since the 1st gen springs have more arch to them.
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Old Oct 9, 2012 | 10:03 AM
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From: Citrus Heights CA
Times 2
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Old Oct 9, 2012 | 05:43 PM
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. . . . .

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Old Oct 9, 2012 | 06:07 PM
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From: The Dalles, OR
51s don't offer much more of a softer ride from my expierence and just 2 new front hangers really isn't the much more work takes like 10 to 15 more minutes.
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Old Oct 9, 2012 | 06:37 PM
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. . . . .

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Old Oct 9, 2012 | 06:43 PM
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From: 46 50' 36.82'' N 122 19' 41.01'' W
you must work fast. cutting off brackets and welding on new ones straight in 10-15 minutes.
Hopfully he didnt mean that. I once did a SAS in 2 hours, or was it weeks?

Longer is usually always better. The 3rd gen rears are awsome springs IMO. Loved mine so much I put them up front.

Last edited by ThatGuy1295; Oct 9, 2012 at 06:44 PM.
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Old Oct 9, 2012 | 09:03 PM
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From: Arnold California
lets see
remove old springs
wire wheel the frame where new hanger goes
measure 11" eye to eye
tack new hanger in place
measure again
fully weld new hangers
mount new springs
cut old hanger off
done
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Old Oct 9, 2012 | 09:46 PM
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. . . . .

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Old Oct 9, 2012 | 10:02 PM
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From: Arnold California
Originally Posted by CAdot
^
sounds pretty simple indeed, i agree. but it is much MUCH simpler to just unbolt and....REBOLT. no cut off wheels, no welding, just bolting. i don't understand how grinding and welding is "not much more work" than bolting something on.

maybe i should give a little more information. i am not a rock crawler. i am not going high steer. my truck is a restoration/modernization build. i want to keep it looking stock with toyota parts not the 63" chevies or f150 ford springs that folks do for flex. i am not interested in those options. i searched and discovered a 3" difference between rear springs and had an idea. just thought maybe someone has done it and can give me some feed back.

yes, i was also going with the idea that longer springs will give a better ride.
not saying your wrong and i totally understand your point of view.

but have you ever taken the suspension off a 30 year old truck? unbolting all that stuff is harder than welding new hangers on guaranteed. idk if your stuff is rusty but mine sure was.
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Old Oct 10, 2012 | 07:07 AM
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From: The Dalles, OR
Hey man I was just trying to help Chevys will give you the softest ride. And if 10-15 minutes just to measure and weld on two hangers is fast then yes I work fast. I wasn't in clouding cutting the old hangers off because if you didn't like the other springs you could switch back to Toyotas.
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Old Oct 10, 2012 | 07:24 AM
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From: The Dalles, OR
Also you may want to check because I can't remember 100% but 51's push the axle forward don't rembwr how much but enought that there not all that ideal for RUF.
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Old Oct 10, 2012 | 11:22 AM
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. . . . .

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Old Oct 10, 2012 | 06:11 PM
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From: The Dalles, OR
Yes I know but the pin location on 51's are still offset of what the 47's are so it will push your rear axle forward at least an inch if not more.
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Old Oct 10, 2012 | 06:39 PM
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From: greenville,wi
i know what your saying cadot,i think there may be an issue with the distance from the front of the spring to the center pin.

Last edited by cman1; Oct 10, 2012 at 06:40 PM.
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Old Oct 10, 2012 | 07:14 PM
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From: 46 50' 36.82'' N 122 19' 41.01'' W
79-83 Measures (A/B) = 22-5/8 x 22-5/8 1st gen
84-88 Measures (A/B) = 20-1/2 x 26-3/4 2nd gen
89-94 Measures (A/B) = 22-1/2 x 29 3rd gen


A = front hanger to center pin
B = center pin to rear hanger
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Old Oct 10, 2012 | 07:18 PM
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From: 46 50' 36.82'' N 122 19' 41.01'' W
So it will push it back, not forward.
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Old Oct 11, 2012 | 04:31 AM
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. . . . .

Last edited by CAdot; Jul 10, 2016 at 04:37 AM.
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Old Oct 11, 2012 | 06:36 PM
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From: 46 50' 36.82'' N 122 19' 41.01'' W
Not sure

This were I got mine.

http://www.generalspringkc.com/Leaf_...kup_s/1938.htm
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