hydro assist 1.5X8X.75 DA HYD CYL goo size for FJ40

slickrock · 03-31-08, 10:19 PM

1.5X8X.75 DA HYD CYL.

I plan on Hydro assist for my fj40 , will be mounting one end of the ram to my diff and the other to the my Tie rod. I have 60 seris steering so cannot mount one end to my frame. I was thinking about a cyl. the size above. Would this be large enough to cycle my steering from stop to stop?

Or would a 1.5X6X.75 DA HYD CYL be better?

Dusty · 03-31-08, 10:31 PM

psc told me yota axles need a 6" ram and dana's need a 8" ram. get on it

Mace · 03-31-08, 11:01 PM

1.5 x 6 is the way to go.

bustanutley · 03-31-08, 11:19 PM

my 1.75 ram provides quite a bit more power without slowing steering down too much.

jwade · 04-01-08, 02:37 AM

I installed the 2"X6" throw ram assist on my 85 mini truck axles and it works great

bigndn · 04-01-08, 08:17 AM

I have 4X4 labs Hysteer steering arms on mine and the 6" ram limits my turning radius terribly. My TR moves 7.75". I now have my grubby little paws on an 8" that will be installed this weekend!

MEASURE HOW MUCH YOUR TIE ROD MOVES TO BE SURE.

Mace · 04-01-08, 09:15 AM

4x4 labs arms are considerably longer than a stock FJ60 steering is. But you are right, the best option is to measure the total throw necessary just to make sure..

Dusty · 04-01-08, 03:30 PM

ok i am hijacking you dan

question: I know if you run the ram paralel to the tierod and the pitman is pushing less than paralell (say at 20' when the drivers side front is drooped and pass front is stuffed) there will be disproportionate arc between the pitman and the ram. thus some tendancy to oppose one onother if there is a ram on the tierod of a crossover setup.

keeping this in mind is it ok to mount the assiting ram on the tierod as opposed to the link going from my pass side highsteer arm to the pitman?

I will be running a crossover steering. I could easily run a highsteer but my tires are big and my truck is heavy and I would like to protect my knuckles and this is why I am running a crossover.

Mace?

bustanutley · 04-01-08, 03:47 PM

With hydro assist, the ram only moves on its own when the box is “maxed out”, there is no definite link between the two systems. The easiest way to understand this is to hook the system up and leave the ram disconnected from its tierod mount. When steering without much resistance the ram won’t move, but when you bottom the box out in one direction of the other (turned full lock) the ram will move.

slickrock · 04-01-08, 04:11 PM

Quote:

Originally Posted by Dusty

ok i am hijacking you dan

question: I know if you run the ram paralel to the tierod and the pitman is pushing less than paralell (say at 20' when the drivers side front is drooped and pass front is stuffed) there will be disproportionate arc between the pitman and the ram. thus some tendancy to oppose one onother if there is a ram on the tierod of a crossover setup.

keeping this in mind is it ok to mount the assiting ram on the tierod as opposed to the link going from my pass side highsteer arm to the pitman?

I will be running a crossover steering. I could easily run a highsteer but my tires are big and my truck is heavy and I would like to protect my knuckles and this is why I am running a crossover.

Mace?

did you sleeve the tierod so yours doesn't bend for the ram mount?

Dusty · 04-01-08, 06:36 PM

Nice explaination. I will ram the tierod

I have some 1.5" x 1/8 dom and some 1 3/4" x 1/4 dom and can use either for the tierod. I was planning on using the 1.5 alone. I only have tube adapters for the 1.5". but i do have some 2" x 1/4" dom I caould use to sleeve the 1.5 but this sounds like a bit overkill

Mace · 04-01-08, 06:53 PM

Quote:

Originally Posted by bustanutley

With hydro assist, the ram only moves on its own when the box is “maxed out”, there is no definite link between the two systems. The easiest way to understand this is to hook the system up and leave the ram disconnected from its tierod mount. When steering without much resistance the ram won’t move, but when you bottom the box out in one direction of the other (turned full lock) the ram will move.

No, the ram will have to extend ( or compress) fully before the steering box will be able to function if you disconnect it. This is why larger rams feel "slow" at a stoplight. The fluid will bypass the stock box till it has a restriction, then it will let the box move. That is also the reason putting the ram on the TR is no big deal at all..

bustanutley · 04-01-08, 08:40 PM

You are right Mace, I should have said no resistance, I have done it with the tires off the ground and the ram does not move until on the stops. With any resistance the ram will have to fully extend. Either way, not mechanically linked

PKP80 · 04-01-08, 09:17 PM

Quote:

Originally Posted by Dusty

Nice explaination. I will ram the tierod

I have some 1.5" x 1/8 dom and some 1 3/4" x 1/4 dom and can use either for the tierod. I was planning on using the 1.5 alone. I only have tube adapters for the 1.5". but i do have some 2" x 1/4" dom I caould use to sleeve the 1.5 but this sounds like a bit overkill

D, I am using 1.25"x.25 DOM for the tierod and draglink all w/ heim ends. 1.5 is too thick and will seemingly cause clearance issues.

As far as the Hydro assist, I'm doing an 1.5 w/ 8" stroke (as per Slee) running off of stock 80 steering box and pump with and added oversized cooling res.

Dusty · 04-01-08, 11:45 PM

Quote:

Originally Posted by PKP80

D, I am using 1.25"x.25 DOM for the tierod and draglink all w/ heim ends. 1.5 is too thick and will seemingly cause clearance issues.

As far as the Hydro assist, I'm doing an 1.5 w/ 8" stroke (as per Slee) running off of stock 80 steering box and pump with and added oversized cooling res.

Im using 1 ton tre's except at the pitman where I am using an 80 series tre from marlin

I like the thick look

Dusty · 04-01-08, 11:47 PM

Quote:

Originally Posted by PKP80

D, I am using 1.25"x.25 DOM for the tierod and draglink all w/ heim ends. 1.5 is too thick and will seemingly cause clearance issues.

As far as the Hydro assist, I'm doing an 1.5 w/ 8" stroke (as per Slee) running off of stock 80 steering box and pump with and added oversized cooling res.

Im using 1 ton tre's except at the pitman where I am using an 80 series tre from marlin

I like the thick look and with crossover there shouldn't be a clearance issue

camcruiser13 · 04-02-08, 11:08 AM

you will love the ram, and wish you would have done it sooner,

Mace · 04-02-08, 02:34 PM

1.5 x .120 dom is gonna bend if you hit a rock..

I prefer .250 1.5 or thicker.

Dusty · 04-02-08, 07:24 PM

Quote:

Originally Posted by Mace

1.5 x .120 dom is gonna bend if you hit a rock..

I prefer .250 1.5 or thicker.

thats why i love this place. 1 3/4 x 1/4" dom is now on its way to my house. the local steel yard promised to have it and 100 feet of 1 3/4 x .120 dom at my house by friday. new bender should be here any day....

Mace · 04-02-08, 09:00 PM

I did mean thicker material, not diameter

But that will be stupid strong steering.

slickrock · 04-02-08, 10:38 PM

I'm going to hijack my thread back, anyone know a good place tofind a 1.5X6X.75" ram for under 60 bucks?

Need to track down on so Dusty can port my box next weekend

Dusty · 04-02-08, 11:31 PM

Quote:

Originally Posted by Mace

I did mean thicker material, not diameter

But that will be stupid strong steering.

I need to keep the inside diameter the same cause I already have tube adapters. I worry that if my tierod is too strong the knuckle may become the weak link. But weakness is poorly tolerated on this build-no weakness permitted

Quote:

Originally Posted by slickrock

I'm going to hijack my thread back, anyone know a good place tofind a 1.5X6X.75" ram for under 60 bucks?

Need to track down on so Dusty can port my box next weekend

Dan you need to get your own thread. have you checked the local morgan and slates? ill port your box and you can figure out how to mount the bender to my driveway. I was thinking about welding a mount to the fire hydrant

slickrock · 04-03-08, 09:14 AM

Good idea. Maybe you can simply say it is for emergency "doctor" stuff that other lower people wouldn't understand.

It is called a hammer drill and readhead bolts. Dawn will love it. My deal on a ram no longer sell that item so I need to track down something. THey do have it at Morgan Slates, but don't know what size they have or how much.

bigndn · 04-03-08, 09:24 AM

Quote:

Originally Posted by slickrock

I'm going to hijack my thread back, anyone know a good place tofind a 1.5X6X.75" ram for under 60 bucks?

Need to track down on so Dusty can port my box next weekend

Mine from West Texas Offroad ran $160. Not saying it can't be found for $60, but good luck!

Mace · 04-03-08, 11:00 AM

Call Baileynet.com and see what they have available.

03-31-08, 10:19 PM	#1
slickrock IH8MUD Lifer Join Date: Aug 2005 Location: Lemoore, CA (south of Fresno) TLCA# 18284 Posts: 1,705	hydro assist 1.5X8X.75 DA HYD CYL goo size for FJ40 1.5X8X.75 DA HYD CYL. I plan on Hydro assist for my fj40 , will be mounting one end of the ram to my diff and the other to the my Tie rod. I have 60 seris steering so cannot mount one end to my frame. I was thinking about a cyl. the size above. Would this be large enough to cycle my steering from stop to stop? Or would a 1.5X6X.75 DA HYD CYL be better? __________________ 8/73 FJ40, 4" tweaked front flipped extended wheel base SUA, rear SOA, 35 Cooper STT Discoverers, fully locked, 1.5" Marlin wheel spacers, 60 series power steering, just under 100" wheel base, full cage, 60 series ignition, roof rack and custome awning, Syrius sat. radio, and a whole bunch of electrionic toys to get GPS directions and keep me in touch with other rigs in case something like the movie "Red Dawn" happens. www.centralvalleycrawlers.org Last edited by slickrock; 03-31-08 at 10:39 PM.

03-31-08, 10:31 PM	#2
Dusty IH8MUD Lifer Join Date: Oct 2004 Posts: 1,439	psc told me yota axles need a 6" ram and dana's need a 8" ram. get on it __________________ 97lx450 4" slee/j's, sliders, bumpers, 3" exhaust, custom turbo, HG pm/Valve job/seals, sweet custom skid plate, Sleeoffroad parts, Buys oe parts from Cruiser Dan used to have 37" swampers.. 1 tons and 42's pending..... Budget Blown 98 100 series. rear locker. 2008 6.7L dodge 2500 quad cab

03-31-08, 11:01 PM	#3
Mace what he said Join Date: Feb 2002 Location: Las Vegas Posts: 10,767	1.5 x 6 is the way to go. __________________ I am kinda gay....... My Myspace http://profile.myspace.com/index.cfm...endid=75712409 "Mary Poppins: In every job that must be done, there is an element of fun. You find the fun and - SNAP - the job's a game."

03-31-08, 11:19 PM	#4
bustanutley IH8MUD Lifer Join Date: Apr 2004 Location: CrAwLoRaDo Posts: 1,519	my 1.75 ram provides quite a bit more power without slowing steering down too much. __________________ FJ-40 on FO-DEEs just a lil guy HOMEGROWN

04-01-08, 02:37 AM	#5
jwade IH8MUD Junior Join Date: Aug 2005 Location: TX / CA Posts: 128	I installed the 2"X6" throw ram assist on my 85 mini truck axles and it works great __________________ 87 Samurai,Toy axles 529's Detroit f spool r,2 1/2 lifted 4404's,custom shackle reverse & duel shacked in rear,36 Swamper SX's, 8000 lb. winch, Toy FJ60 p/s, Hydro assist, 4x4 labs high steer, roll cage, Trail Tough 6.5.1 t-case gears,Toy high angle drive lines

04-01-08, 09:15 AM	#7
Mace what he said Join Date: Feb 2002 Location: Las Vegas Posts: 10,767	4x4 labs arms are considerably longer than a stock FJ60 steering is. But you are right, the best option is to measure the total throw necessary just to make sure.. __________________ I am kinda gay....... My Myspace http://profile.myspace.com/index.cfm...endid=75712409 "Mary Poppins: In every job that must be done, there is an element of fun. You find the fun and - SNAP - the job's a game."

04-01-08, 03:30 PM	#8
Dusty IH8MUD Lifer Join Date: Oct 2004 Posts: 1,439	ok i am hijacking you dan question: I know if you run the ram paralel to the tierod and the pitman is pushing less than paralell (say at 20' when the drivers side front is drooped and pass front is stuffed) there will be disproportionate arc between the pitman and the ram. thus some tendancy to oppose one onother if there is a ram on the tierod of a crossover setup. keeping this in mind is it ok to mount the assiting ram on the tierod as opposed to the link going from my pass side highsteer arm to the pitman? I will be running a crossover steering. I could easily run a highsteer but my tires are big and my truck is heavy and I would like to protect my knuckles and this is why I am running a crossover. Mace? __________________ 97lx450 4" slee/j's, sliders, bumpers, 3" exhaust, custom turbo, HG pm/Valve job/seals, sweet custom skid plate, Sleeoffroad parts, Buys oe parts from Cruiser Dan used to have 37" swampers.. 1 tons and 42's pending..... Budget Blown 98 100 series. rear locker. 2008 6.7L dodge 2500 quad cab

04-01-08, 03:47 PM	#9
bustanutley IH8MUD Lifer Join Date: Apr 2004 Location: CrAwLoRaDo Posts: 1,519	With hydro assist, the ram only moves on its own when the box is “maxed out”, there is no definite link between the two systems. The easiest way to understand this is to hook the system up and leave the ram disconnected from its tierod mount. When steering without much resistance the ram won’t move, but when you bottom the box out in one direction of the other (turned full lock) the ram will move. __________________ FJ-40 on FO-DEEs just a lil guy HOMEGROWN

04-01-08, 06:36 PM	#11
Dusty IH8MUD Lifer Join Date: Oct 2004 Posts: 1,439	Nice explaination. I will ram the tierod I have some 1.5" x 1/8 dom and some 1 3/4" x 1/4 dom and can use either for the tierod. I was planning on using the 1.5 alone. I only have tube adapters for the 1.5". but i do have some 2" x 1/4" dom I caould use to sleeve the 1.5 but this sounds like a bit overkill __________________ 97lx450 4" slee/j's, sliders, bumpers, 3" exhaust, custom turbo, HG pm/Valve job/seals, sweet custom skid plate, Sleeoffroad parts, Buys oe parts from Cruiser Dan used to have 37" swampers.. 1 tons and 42's pending..... Budget Blown 98 100 series. rear locker. 2008 6.7L dodge 2500 quad cab

04-01-08, 08:40 PM	#13
bustanutley IH8MUD Lifer Join Date: Apr 2004 Location: CrAwLoRaDo Posts: 1,519	You are right Mace, I should have said no resistance, I have done it with the tires off the ground and the ram does not move until on the stops. With any resistance the ram will have to fully extend. Either way, not mechanically linked __________________ FJ-40 on FO-DEEs just a lil guy HOMEGROWN

04-02-08, 11:08 AM	#17
camcruiser13 Me and my Big Wheel Join Date: Jun 2004 Location: in the garage after dark in UT Posts: 5,030	you will love the ram, and wish you would have done it sooner, __________________ cc ------------- 76' fj40 camcrusier13 build threads the following are links, just click, go on try it Traction Bar Sliders Ram Assist Bumper Poison Spider Style Shackle Reversal Half Doors if your doing it im sure ive done it, need help just ask.......

04-02-08, 02:34 PM	#18
Mace what he said Join Date: Feb 2002 Location: Las Vegas Posts: 10,767	1.5 x .120 dom is gonna bend if you hit a rock.. I prefer .250 1.5 or thicker. __________________ I am kinda gay....... My Myspace http://profile.myspace.com/index.cfm...endid=75712409 "Mary Poppins: In every job that must be done, there is an element of fun. You find the fun and - SNAP - the job's a game."

04-02-08, 09:00 PM	#20
Mace what he said Join Date: Feb 2002 Location: Las Vegas Posts: 10,767	I did mean thicker material, not diameter But that will be stupid strong steering. __________________ I am kinda gay....... My Myspace http://profile.myspace.com/index.cfm...endid=75712409 "Mary Poppins: In every job that must be done, there is an element of fun. You find the fun and - SNAP - the job's a game."

04-02-08, 10:38 PM	#21
slickrock IH8MUD Lifer Join Date: Aug 2005 Location: Lemoore, CA (south of Fresno) TLCA# 18284 Posts: 1,705	I'm going to hijack my thread back, anyone know a good place tofind a 1.5X6X.75" ram for under 60 bucks? Need to track down on so Dusty can port my box next weekend __________________ 8/73 FJ40, 4" tweaked front flipped extended wheel base SUA, rear SOA, 35 Cooper STT Discoverers, fully locked, 1.5" Marlin wheel spacers, 60 series power steering, just under 100" wheel base, full cage, 60 series ignition, roof rack and custome awning, Syrius sat. radio, and a whole bunch of electrionic toys to get GPS directions and keep me in touch with other rigs in case something like the movie "Red Dawn" happens. www.centralvalleycrawlers.org

04-03-08, 09:14 AM	#23
slickrock IH8MUD Lifer Join Date: Aug 2005 Location: Lemoore, CA (south of Fresno) TLCA# 18284 Posts: 1,705	Good idea. Maybe you can simply say it is for emergency "doctor" stuff that other lower people wouldn't understand. It is called a hammer drill and readhead bolts. Dawn will love it. My deal on a ram no longer sell that item so I need to track down something. THey do have it at Morgan Slates, but don't know what size they have or how much. __________________ 8/73 FJ40, 4" tweaked front flipped extended wheel base SUA, rear SOA, 35 Cooper STT Discoverers, fully locked, 1.5" Marlin wheel spacers, 60 series power steering, just under 100" wheel base, full cage, 60 series ignition, roof rack and custome awning, Syrius sat. radio, and a whole bunch of electrionic toys to get GPS directions and keep me in touch with other rigs in case something like the movie "Red Dawn" happens. www.centralvalleycrawlers.org

04-03-08, 11:00 AM	#25
Mace what he said Join Date: Feb 2002 Location: Las Vegas Posts: 10,767	Call Baileynet.com and see what they have available. __________________ I am kinda gay....... My Myspace http://profile.myspace.com/index.cfm...endid=75712409 "Mary Poppins: In every job that must be done, there is an element of fun. You find the fun and - SNAP - the job's a game."