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Tonycando

Author Topic: rear leaf spring mount - lift  (Read 7048 times)

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Offline mightyss1

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rear leaf spring mount - lift
« on: October 03, 2014, 02:06:11 PM »
was just looking at rear leaf spring mount. i need some lift in rear of car, as i have 275/60 15's (28.1" tall) on 10" rims. there is 2 bolts that attach spring hanger to frame rail. why couldnt i just put a "block" between the spring hanger assembly, and the frame to gain my necesary lift..????? ;D

p.s. if i can do it , i would also put shock extenders on..

Offline fozzy

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Re: rear leaf spring mount - lift
« Reply #1 on: October 03, 2014, 04:12:31 PM »
Any change to the height at that end will necessitate a change in pinion angle as well. Just some food for thought.

Offline amc49

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Re: rear leaf spring mount - lift
« Reply #2 on: October 03, 2014, 05:03:01 PM »
Better think that out more. the connection there swings backwards and forward, a block will try to move around too. It has to be screwed positively to the frame. And not enough material there to do that. Why the bolts run sideways.

Offline mightyss1

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Re: rear leaf spring mount - lift
« Reply #3 on: October 04, 2014, 03:02:11 AM »
amc49, not sure what you mean "why the bolts run sideways"....?

im not looking for 5" of lift, prolly just 1-2"...

Offline Srt

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Re: rear leaf spring mount - lift
« Reply #4 on: October 04, 2014, 03:12:42 AM »
do it.
the only substitute for cubic inches is BOOST!!!

Offline Reeves1

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Re: rear leaf spring mount - lift
« Reply #5 on: October 04, 2014, 04:45:57 AM »
Just make longer shackles. Easy to make.

Offline amc49

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Re: rear leaf spring mount - lift
« Reply #6 on: October 04, 2014, 02:08:41 PM »
Longer shackles like said. I have an idea in my head of how most leaf packages attach, may not be right on that one.

Offline beaner

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Re: rear leaf spring mount - lift
« Reply #7 on: October 04, 2014, 07:54:37 PM »
i think hes talking about the mount that bolts to the frame with 4 bolts that the shackle bolts to


brad :)

Offline amc49

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Re: rear leaf spring mount - lift
« Reply #8 on: October 04, 2014, 10:45:44 PM »
Could be and where I was going, used to the shackle on most simply coming directly off the frame rail there.

Offline mightyss1

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Re: rear leaf spring mount - lift
« Reply #9 on: October 05, 2014, 05:28:51 AM »
ok, heres the plan, wish i could show pix. on the rear most portion of frame rail, there are four bolts(per side) and a curved bracket that hold the bumper "shocks"to the rail . On top  of that the leaf spring shackle "mounts" are attached with 2 seperate bolts. what if i unbolted all 6 bolts......bol ted a spacer block on top of the bumper shock bracket(rebolted it back down.....drill ed 2 holes into it(the block), then rebolt the shackle mount to the newly installed "block"? that would give me my lift, keep the stock shackles....an d i think a good way to get a little lift without spending 5-$600 on custon springs.. ;D

Offline oldkayaker

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Re: rear leaf spring mount - lift
« Reply #10 on: October 05, 2014, 06:55:56 AM »
The first link is to a photo of the area, thanks joebob.  It is a earlier year but suspect similar.  The second link is to joebob's great thread on moving the bumper in.
http://s1124.photobucket.com/user/bobjoebob/media/bumper%20fix/strap.jpg.html
http://www.fordpinto.com/your-project/simple-fat-bumper-fix/

Just to clarify, your spacer is going between the bumper shock bracket and the shackle bracket ("on top" gets confusing for me when looking at something upside down).  If staying in the 1" to 2" range, I believe your spacer method would provide better lateral support for cornering loads than longer shackles.  By spacer I am picturing a metal block with a large foot print size (as you referenced) and not just a stack of washers (just in case somebody else tries to take this too far).
Jerry J - Jupiter, Florida

Offline JohnW

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Re: rear leaf spring mount - lift
« Reply #11 on: October 05, 2014, 01:54:47 PM »
Just buy longer shackles.

Also, remember, 1" of additional height at one end of the spring results in 1/2" of an increase in height of that end of the car.
-

Offline dick1172762

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Re: rear leaf spring mount - lift
« Reply #12 on: October 05, 2014, 02:07:42 PM »
Put 2 inch longer shackles on my Suburban and it only moved the axel 1 inch. You would be better off with air shocks.
Its better to be a has-been, than a never was.

Offline mightyss1

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Re: rear leaf spring mount - lift
« Reply #13 on: October 05, 2014, 03:57:24 PM »
oldkayaker, you are exactly right in thinking about my plan. that first link  :
  http://s1124.photobucket.com/user/bobjoebob/media/bumper%20fix/strap.jpg.html     
                                                       is exactly where ill be working. i too think it will give the lift i require, without the dangers of longer shackles.

Offline dick1172762

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Re: rear leaf spring mount - lift
« Reply #14 on: October 05, 2014, 04:16:40 PM »
Plain and simple,it will take a 4" thick block to make the rear end be 2" higher. If fact it will be closer to 1 1/2" as the axle is closer to the front spring eye, and will not move as far. Middle school math will show you why.
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Offline Pinto5.0

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Offline dick1172762

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Re: rear leaf spring mount - lift
« Reply #16 on: October 05, 2014, 10:15:31 PM »
PLEASE! Not on a Pinto. Ok on a Vega but not a Pinto.
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Offline 74 PintoWagon

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Re: rear leaf spring mount - lift
« Reply #17 on: October 05, 2014, 10:52:07 PM »
I wouldn't use them on anything, LOL..
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Offline Srt

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Re: rear leaf spring mount - lift
« Reply #18 on: October 06, 2014, 03:03:08 AM »
the vega has/had a coil spring rear

the only substitute for cubic inches is BOOST!!!

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Re: rear leaf spring mount - lift
« Reply #19 on: October 06, 2014, 07:54:33 AM »
They were on the Datsun B210 my buddy bought a few years ago. Rear end was jacked way up. He drilled holes as far up as he could and cut them off, the car looked so stupid at first.
-

Offline Pinto5.0

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Re: rear leaf spring mount - lift
« Reply #20 on: October 06, 2014, 11:03:44 AM »
Back in the early 70's a guy I knew had a set on his 60 Ford. They're must have been a foot of shackle between the bolts. Thinking back, I'd swear his leaves arched the wrong way. It really set the car off with those stock G78-14 tires...LOL!!!

My 73 has some out back & the springs do arch the wrong way. I need to remember to take some pics before I tear it apart
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Offline mightyss1

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Re: rear leaf spring mount - lift
« Reply #21 on: October 06, 2014, 02:46:31 PM »
well, i AM going to try the blocks, not shackles.... 8)

Offline bbobcat75

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Re: rear leaf spring mount - lift
« Reply #22 on: October 07, 2014, 06:57:59 AM »
i would go with air shocks - had them in my wagon and they worked well and gave me about a 1-2" lift and good ride!
1975 mercury bobcat 2.8 auto
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1975 ford pinto - drag car - 2.3l w/t5 trans - project car

Offline mightyss1

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Re: rear leaf spring mount - lift
« Reply #23 on: October 07, 2014, 11:50:50 AM »
bbobcat75,
     where did u get airshocks for a pinto? i dont see them listed anywhere. did you crossreference them from a different car..???? ???