Defender 110-Terrafirma Shocks - Page 2





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  1. #21
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    Default Re: Defender 110-Terrafirma Shocks

    Quote Originally Posted by Mike N View Post
    So who would that be?
    LP4A

    Judging by the amount of LR spares and accessories they sell I will take their word and I have yet to be disappointed in advice or a spare I bought from them.
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  2. #22
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    Default Re: Defender 110-Terrafirma Shocks

    Yes LP4A is a pretty good bunch. I see British 4x4 also stock ProComp now in stead of TF shocks, although they still offer TF coils on their website.
    I did get the impression many of the TF breakages were due to incorrect installation, and by using extended (+2"and up) shocks without modifying the bumpstops and/or shock mounts. It was actually quite difficult getting hold of the standard length TF Big Bores when I fitted them.
    '89 LR 110 V8

  3. #23
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    Default Re: Defender 110-Terrafirma Shocks

    Also FT have superseded there old shocks so maybe they have up graded them as well, out of 14 odd years of TF only had one fail loose oil,
    1995 300TDi Defender with VGT Turbo (stolen by my son now )
    2002 Defender with LS1 MS3 ECU, 4L80e, LT230 1.222, Lockers and HD CW&P, 35" with 4" Lift
    2005 Defender TD5

  4. #24
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    Default Re: Defender 110-Terrafirma Shocks

    I have my suspicions that incorrect mounting of TF have had a big role to play in their failure.

    I will also be fitting spring isolator rubbers LR part ANR2938 and ANR3060.

    So now that Ive got prices on most shocks here is the run down for those interested.

    Prices are front and rear:

    TF Pro sport +2" =R5300
    TF Big Bore +50mm =R6141
    TF 4-stage adj +50mm =R6900
    Koni heavy track +50mm =R10120
    Ome sport +50mm =R8223
    Monroe +50mm =R5600
    Ironman gas =R10800

    Ive got TF open and closed lengths and if I decide to go with them Ill do some measuring on a ramp to determine if extended bumpstops are needed. I suspect brake lines should be OK with retained coils.

    Just for interest TF med, OME med and OEM LR HD coils all have similar ratings. My argument would be that LR HD coils should work well with these brands medium shocks.
    Last edited by pjf110; 2020/05/28 at 12:58 PM.
    Pieter Greyling
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  5. #25
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    Default Re: Defender 110-Terrafirma Shocks

    Only shocks that didn't break on my 110's was LR originals, Gabriel Safari's. Rest all failed. TF, Procomp and even lost an Ironman. Always rear mostly lefthand side. Front never gave problems.
    Die reŽn is 'n dag nader as gister.

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  7. #26
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    Default Re: Defender 110-Terrafirma Shocks

    slightly off topic so I hope none of you mind.

    Where is the best place to get a steering damper and steering rod kit for my 130? Im following this thread with interest as I will be fitting suspension to my 130 soon.

    Thank you
    BruceT
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    Defender 130 Puma

  8. #27
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    Default Re: Defender 110-Terrafirma Shocks

    My OME steering damper is the only one of 5 OME shocks bought together that is working trouble free. I did change over to the spring biased Terrafirma steering damper at the time I fitted the Big Bore shocks at the rear, but getting the spring set up properly for straight line running gave me troubles, so I refitted the old OME steering damper.
    '89 LR 110 V8

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  10. #28
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    Default Re: Defender 110-Terrafirma Shocks

    Some feedback:

    Thanks to everyone for sharing their experiece and advice.
    After some deliberation I have decided to go with Terrafirma.

    Front shocks: TF pro-sport +50mm (TF120)
    Rear shocks: TF 4-stage adjustable +50mm (TF175)
    Steering shock: Standard armstrong

    I decided to fit coil isolators in the front and space the rear by 25mm.
    Front coils are HD130 coils (NRC9448) rears are two-stage progressive coils (RKB101111) fitted to later 110's and apparently 130's too.

    We removed springs and shocks and lifted the axle onto bumpstops to ensure shocks wouldn't bottom out under severe articulation.
    The front was very close and we decided to space out the bumpstop by 14mm, the rears were OK.

    As per TF recommendation we removed the rear shock rubbers locating cups as this apparently leads to broken shocks due to movement restriction. I tend to agree as the standard rear shock mounting pin was bent.

    All shocks were liberally primed before fitment.

    The coils will definitely need to be retained both front and rear with the longer shocks. This still needs to be done.

    Apologies for the dirty landy…. but it seems to like it that way.

    The landy feels sooooo much better and much more stable at speed. Very happy camper at this stage.
    I haven't got a chance to play with the adjustable shocks, they are on level 2 with matches standard pro-sports.
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    Last edited by pjf110; 2020/06/08 at 09:29 AM.
    Pieter Greyling
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  12. #29
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    Default Re: Defender 110-Terrafirma Shocks

    Quote Originally Posted by pjf110 View Post
    Some feedback:

    Thanks to everyone for sharing their experiece and advice.
    After some deliberation I have decided to go with Terrafirma.

    Front shocks: TF pro-sport +50mm (TF120)
    Rear shocks: TF 4-stage adjustable +50mm (TF175)
    Steering shock: Standard armstrong

    I decided to fit coil isolators in the front and space the rear by 25mm.
    Front coils are HD130 coils (NRC9448) rears are two-stage progressive coils (RKB101111) fitted to later 110's and apparently 130's too.

    We removed springs and shocks and lifted the axle onto bumpstops to ensure shocks wouldn't bottom out under severe articulation.
    The front was very close and we decided to space out the bumpstop by 14mm, the rears were OK.

    As per TF recommendation we removed the rear shock rubbers locating cups as this apparently leads to broken shocks due to movement restriction. I tend to agree as the standard rear shock mounting pin was bent.

    All shocks were liberally primed before fitment.

    The coils will definitely need to be retained both front and rear with the longer shocks. This still needs to be done.

    Apologies for the dirty landyÖ. but it seems to like it that way.

    The landy feels sooooo much better and much more stable at speed. Very happy camper at this stage.
    I haven't got a chance to play with the adjustable shocks, they are on level 2 with matches standard pro-sports.
    Nicely done.

    What did you do to space the rear coils and bump stops?

  13. #30
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    Default Re: Defender 110-Terrafirma Shocks

    Quote Originally Posted by Jay_B View Post
    Nicely done.

    What did you do to space the rear coils and bump stops?
    Industrial conveyor belt with 5mm cable reinforcing. Looking at having polyurethane spacers made to replace as I still don't know what the conveyor belt will stand up to.
    Pieter Greyling
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  14. #31
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    Default Re: Defender 110-Terrafirma Shocks

    Quote Originally Posted by pjf110 View Post
    Some feedback:

    We removed springs and shocks and lifted the axle onto bumpstops to ensure shocks wouldn't bottom out under severe articulation.
    The front was very close and we decided to space out the bumpstop by 14mm, the rears were OK.
    Hope this isnt a silly question, and I have seen threads where it is already discussed, but here goes:

    Does a terrafirma 2" shock have more(actually less) compressed length than a std monroe per say?

  15. #32
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    Default Re: Defender 110-Terrafirma Shocks

    Quote Originally Posted by Jakkals. View Post
    Hope this isnt a silly question, and I have seen threads where it is already discussed, but here goes:

    Does a terrafirma 2" shock have more(actually less) compressed length than a std monroe per say?
    LR std. front: closed 328mm open 546mm
    LR std. rear : closed 350mm open 551mm

    TF120 front: closed 360mm open 605mm
    TF175 rear: closed 383mm open 613mm

    These are from reasearch and TF website and confirmed upon measuring.
    Pieter Greyling
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  17. #33
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    Default Re: Defender 110-Terrafirma Shocks

    Quote Originally Posted by pjf110 View Post
    LR std. front: closed 328mm open 546mm
    LR std. rear : closed 350mm open 551mm

    TF120 front: closed 360mm open 605mm
    TF175 rear: closed 383mm open 613mm

    These are from reasearch and TF website and confirmed upon measuring.
    Monroe Adventure
    Front D6628: 337mm, 547mm
    Rear D6629: 353mm, 558mm

  18. #34
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    Default Re: Defender 110-Terrafirma Shocks

    Quote Originally Posted by pjf110 View Post
    LR std. front: closed 328mm open 546mm
    LR std. rear : closed 350mm open 551mm

    TF120 front: closed 360mm open 605mm
    TF175 rear: closed 383mm open 613mm

    These are from reasearch and TF website and confirmed upon measuring.
    With those dimensions you really should space you bumpstops about and inch on the Landy to prevent the shocks going solid in compression during a hard landing or similar event (giving rise to the bad reputation of many an extended shock).
    '89 LR 110 V8

  19. #35
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    Default Re: Defender 110-Terrafirma Shocks

    We spaced the front because it just touched. The rears looked to have good inch left on the shock after connecting with the bumpstop, that coupled with 420lbs coils when compressed and shocks adjusted for load. Im hoping Ill be OK.

    I haven't seen any aftermarket suspension manufacturer suggest bump stop spacing with a +50mm shock.

    The front was measured at 420mm to shock mounts when under full articulation. The front TF compressed length is 360mm + 50mm (2xbushes and washers) = 410mm. With the 14mm bumpstop spacing that gives just under an inch of play in compression on bump stops to play with.

    Bushes do get compressed somewhat and my logic says they will also help IF the bumpstop is too short.

    The previous times I bottomed out has been exclusively at the rear and I was shamefully overloaded.
    Pieter Greyling
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  20. #36
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    Default Re: Defender 110-Terrafirma Shocks

    One thing also which can happen if shocks bottom out is the front spring retainers to the chassis can crack
    1995 300TDi Defender with VGT Turbo (stolen by my son now )
    2002 Defender with LS1 MS3 ECU, 4L80e, LT230 1.222, Lockers and HD CW&P, 35" with 4" Lift
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  21. #37
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    Default Re: Defender 110-Terrafirma Shocks

    Quote Originally Posted by clivemd View Post
    One thing also which can happen if shocks bottom out is the front spring retainers to the chassis can crack
    The spring to chassis retainers do look rather flimsy, will include this in my annual service checks.
    Pieter Greyling
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  22. #38
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    Default Re: Defender 110-Terrafirma Shocks

    was always happy with the TF suspension, till recently I had one leaking and another seized,
    went bilstein, I also switched the the originals and felt them to be better than the TF that were on.. probably a bad batch though
    D90
    D130

  23. #39
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    Default Re: Defender 110-Terrafirma Shocks

    Hi Pieter,

    Het jy enige terugvoer ivm skokbrekers? Kan adjustable skokbrekers die anti-sway bar vervang?

    Dankie

  24. #40
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    Default Re: Defender 110-Terrafirma Shocks

    Quote Originally Posted by Jakkals. View Post
    Hi Pieter,

    Het jy enige terugvoer ivm skokbrekers? Kan adjustable skokbrekers die anti-sway bar vervang?

    Dankie
    Hi Jakkals, Speak to Ben van Dyk (Benvdyk) her on the forum. He has been running his Defender swaybarless for some time. But he does have some trick shock and cones in place.
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