Topic: DIY coilover sort of thing (Read 6526 times)

wildwood · « **on:** July 27, 2014, 02:26:48 PM »

Suspension stuff.

Planning a 4 link rear 3 link front for the 1 ton.......

Doing it on the CHEAP

So no ORIS or Fox multiple bypass desert racing suspension fu with Nitrogen bottle back up in the pits

No siree. Going coils and shock........

Being wide track full width 1 Ton I can out board the springs in the front with the adjustable Ballistic Fab coilspring mounts

My question ( cos I don't have one in view) is

Can a TJ spring have a shock mounted through the centre........

I know the L*** d r**** lot use Gwyn Lewis + 10 inch or whatever shock turrets that go thro the spring....... No prob there.....

It's just that using non Jeep orientated stuff makes me feel not at all well.

Dtimot8 · « **Reply #1 on:** July 27, 2014, 06:25:33 PM »

Jez
I'm sure i saw something on this in one of the us mags recently will have a look
my only thought is the the springs on a standard set up do deflect a moderate amount
Hell me trying to answer a tech question strongly suggest you ignore everything

Dave69 · « **Reply #2 on:** July 27, 2014, 06:56:01 PM »

you have a welder and an angle grinder, the limit is your imagination

wildwood · « **Reply #3 on:** July 27, 2014, 07:06:04 PM »

Yes..... I might weld some Gwyn Lewis turrets to some ballistic fab coil mounts............

I see a plan developing.......

Anyone else got any ideas?

And thanks Lord Tim........anything I can plagiarise would be appreciated

Dtimot8 · « **Reply #4 on:** July 30, 2014, 06:11:21 PM »

Oh boy dreaming again or so it seams
could blame the booze but not allowed to drink during the week
can't find the article anywhere
sorry Jez

JamesH · « **Reply #5 on:** July 30, 2014, 06:40:37 PM »

Interested to see where you get to, it might be something that could work on the back of an XJ

wildwood · « **Reply #6 on:** July 30, 2014, 07:34:33 PM »

5 1/2" is outside diameter of spring so maybe coil insertion is a possible.

Thanks for looking Tim..... No Merlot during the week..........

? Ooh nooooo not possible'

Delk · « **Reply #7 on:** July 31, 2014, 01:20:32 PM »

Jeep springs narrow at each end and this may cause an issue with the shock in the center.

The only thing I dont like about landy suspension is the use of short springs with dislocation cones because the come away at full droop. My opinion is any flex beyond where the suspension actually touches is useless.

wildwood · « **Reply #8 on:** July 31, 2014, 01:39:56 PM »

Agree.... Dislocation is pants and will lead to a roll when the weight of vehicle heads south to relocate spring with nothing to slow it down.......

Idea was to capture top and bottom of each spring so no dislocation
By using long springs (front TJ coils in a 4 or 6 inch flavour) and the Ballistic fab spring mounts and shock mounts I can alter ride height and level the rig by 5 1/2" each end.
It does mean spring and shock will be side by side as TJ front. But there comes a time when there seems little point re-inventing the wheel.

All I need to do now I'd try and copy the ballistic mounts....they have kindly supplied measurements

Delk · « **Reply #9 on:** July 31, 2014, 05:07:13 PM »

When I built my long arm kit I set my shock length and upper shock mount height so they are fully extended just after the springs come loose. My jeep has RE 5.5 inch springs in the front and 4.5 springs in the rear. They are nice and soft with a lot of travel.

doublej · « **Reply #10 on:** August 06, 2014, 10:12:45 AM »

Running the shock inside the coil is going to cause issues left and right Mate.
Look at most custom built setups and the shocks are never straight up and down: packaging, travel, etc - there's 101 reasons why but needless to say, straight vertical isn't the best answer.
Also, unless your going to make a complex mount with the shock running through the upper mount - spring compressed vs shock compressed heights are most likely going to be very different.

So why do you want them mounted inside the spring anyway?

JamesH · « **Reply #11 on:** August 06, 2014, 10:52:00 AM »

My guess was to save space. I was thinking about it too, I think the plan would be to have a much longer shock and have the top mount for that higher than the spring top mount but can definitely see that there may be problems with the angle you want for the shock vs the spring.

wildwood · « **Reply #12 on:** August 06, 2014, 11:02:15 AM »

Yup was only space and packaging and the worry of an axle bracket on the front that would be coil mount shock mount and 4 link mount.......

But have got over that hurdle.....

Also JJ yes the straight up and down ain't too kosher. That YJ Mark looked at had Landy coil set up and was well clanky in the metal on metal dept.......

Apparently coilovers and therefore shocks are meant to be set back at 7 degrees........ At front

Well at least that's what Pirate seem to say

Thanks all ...... Great stuff coming through........

willo · « **Reply #13 on:** August 06, 2014, 11:42:15 AM »

Shock angle should be perpendicular to the top link at full stuff

If u need any tj springs i still have some +5.5" rears and some std fronts somewhere

doublej · « **Reply #14 on:** August 06, 2014, 06:36:51 PM »

Packaging always comes down to what fits 7degrees vs 8 or even 15 could work find or be noticeable. It's a hard one to guess.
Now link layouts are easy lol

Dave69 · « **Reply #15 on:** August 06, 2014, 07:19:13 PM »

shocks have always been vertical for ease in mass manufacture of car press panels inner wing.

bluevanman · « **Reply #16 on:** August 06, 2014, 10:26:10 PM »

as I knew it the shock should be in line with the travel of the axle for maximum damping

doublej · « **Reply #17 on:** August 09, 2014, 05:47:26 AM »

Quote from: bluevanman on August 06, 2014, 10:26:10 PM

as I knew it the shock should be in line with the travel of the axle for maximum damping

Shocks are really used for "maximum" damping. Look at 90% of performance vehicles and they will be lead or tilted to fit the needs of packaging, travel, and then performance bc you can make up a lot of ground on spring tuning.

Jez ain't worried about all that - just space avaliable. But I'm sure he can package it.....
Shocks on the lower arms would be my first look.

wildwood · « **Reply #18 on:** August 09, 2014, 08:53:00 AM »

Aha ...shocks on the lower arms.....

I remember that's what King CJ had........ Seemed to work OK.

isle of man · « **Reply #19 on:** August 09, 2014, 09:30:55 AM »

Less is MORE !!

wildwood · « **Reply #20 on:** August 09, 2014, 09:59:48 AM »

Is your buggy 4 link at the front IOM?

Again.....it is a packaging problem with chassis and stuff in the way......on a YJ TJ platform.

All makes 4 link front difficult

isle of man · « **Reply #21 on:** August 09, 2014, 11:31:11 AM »

Yes four link - my advise is keep it simple.

doublej · « **Reply #22 on:** August 09, 2014, 04:10:42 PM »

Just remember the farther down the arm (away from the axle) you get the less dampening they will give.
I've even seen them mounted on top of the knuckle C or top of the lower link mount.

xr6jeeper · « **Reply #23 on:** October 07, 2014, 11:26:29 AM »

Have you started this build yet, was interested what route you took with the springs.

wildwood · « **Reply #24 on:** October 07, 2014, 01:08:44 PM »

Still scratching my head, and wallet on this......reckon it's awinter with woodburner on project!

Latest stuff has been removal of the LPG so I can weld and torch stuff in relative safety

Just been on Ruffstuff Specialties and Ballistic Fab to price up ......looks like $1,000 for the whole shebang for the rear, by the time it's done and dusted......

Main thing will be cutting the frame behind the seats and narrowing so it's the width of the tub ....going straight back and maybe two inches higher........
Will also be a time to stretch......yet again from 105.5 to 108 or 109"
Will then stretch the front when I eventually tackle that....... Final wheelbase 115 ish

The more I look at it the more it seems like a lot of work so maybe just the rear this year

Because of the weight of my junk....... 14 bolt and Dana60. Am going with front springs in a 5 or 6 inch flavour to allow plenty of compression and drop..........
As usual making it up as I go along.......and shamelessly copying anything I see along the way.

Author Topic: DIY coilover sort of thing (Read 6526 times)

Dtimot8

Dtimot8

Delk

Delk

doublej

doublej

bluevanman

doublej

doublej

xr6jeeper