Rear Anti Sway Bar for SIII?

Talk about the E-Type Series 3

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Sdinse
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#1 Rear Anti Sway Bar for SIII?

Post by Sdinse » Sat Oct 20, 2018 11:57 pm

I see that XKs Unlimited is offering a high performance sway bar kit for the series III that includes both front and rear. Apparently they have for some time now, but it wasn't until recently that I knew about it. No one else seems to sell anything like it that I know of. Anyone familiar with what sway bar can be fitted to the rear of a SIII? Is it from another model or something completely custom they have created on their own? I would love to fit one to my SIII for a bit more flatter cornering than the uprated front sway bar I installed many years ago provides.

Thanks,
Steve
1971 SIII E Type 2+2

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Ole-xke1974
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#2 Re: Rear Anti Sway Bar for SIII?

Post by Ole-xke1974 » Sun Oct 21, 2018 1:15 pm

Steve,
you will find that some E-types had a rear sway bar fitted originally, but Jaguar deemed that it wasn't necessary on the S3.
Clausager's book on E-type factory originality doesn't mention a rear anti sway bar for the S3 at all. A quick flick through the S1 and S2 pages showed no mention of rear anti sway bars.
Cheers ....... Ole
1974 SIII E-Type w. XJ S2 4sp w. O/D

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jagwit
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#3 Re: Rear Anti Sway Bar for SIII?

Post by jagwit » Sun Oct 21, 2018 6:01 pm

If anything, the rear sway bar from an XJS MIGHT work. Even on the XJS, they were not always fittted and, I believe, scarce.

My '80 pre-HE XJS does have a rear sway bar.
Best Regards
Philip
71 E-type V12 Coupe,
80 XJS (EFI by Megasquirt & EDIS-6 + 5sp manual overdrive)
73 Jensen Interceptor
74 Interceptor (EFI by Megasquirt + overdrive 4sp auto)

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JagWaugh
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#4 Re: Rear Anti Sway Bar for SIII?

Post by JagWaugh » Sun Oct 21, 2018 6:11 pm

Try Harvey Bailey, they probably make them.

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Sdinse
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#5 Re: Rear Anti Sway Bar for SIII?

Post by Sdinse » Sun Oct 21, 2018 9:05 pm

Thanks for the info everyone! After a bit more digging I see that SNG also offers a sway bar kit for the SIII and it consists of both the front and rear. There doesn't seem to be any offering of just the rear bar. I have already installed an uprated front bar many years ago and it has helped considerably. At that time I don't think anyone sold a rear kit.

The Harvey Bailey website doesn't have much information on it and considering I'm in California, the freight would most likely be more than it's worth.

I have an inquiry in to XKs Unlimited and maybe this coming week I'll hear from them. I'm also going to ask at SNG if they can sell just the rear portion of their kit. Time will tell!

Anyone else know anything about these seemingly rare anti roll bars? :questionmarks:
Steve
1971 SIII E Type 2+2

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garrycol
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#6 Re: Rear Anti Sway Bar for SIII?

Post by garrycol » Sun Oct 21, 2018 9:42 pm

Not ever original equipment on a Series 3 - I have seen modified XJS bars fitted but that was many many years ago.
1971 Series 3 E-type OTS

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lowact
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#7 Re: Rear Anti Sway Bar for SIII?

Post by lowact » Mon Oct 22, 2018 2:24 am

As a lad I played around with sway bars. Not on E's. I found that to avoid nasty suprises i shoud test settings when the road was wet. In particular, a too stiff rear bar could cause sudden loss of traction and chaotic oversteer. Cheaper solution was to run tyres at max pressure ...
Regards,
ColinL
'72 OTS manual V12

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Sdinse
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#8 Re: Rear Anti Sway Bar for SIII?

Post by Sdinse » Mon Oct 22, 2018 5:45 pm

Update

I just heard from SNG this morning and they say they will only sell the complete kit. :sad:
Steve
1971 SIII E Type 2+2

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Ole-xke1974
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#9 Re: Rear Anti Sway Bar for SIII?

Post by Ole-xke1974 » Tue Oct 23, 2018 1:58 am

I believe I read somewhere that the 2+2's (not S3's) got rear anti sway bars, but can not for the life of Mary remember where I read it.
1974 SIII E-Type w. XJ S2 4sp w. O/D

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Series1 Stu
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#10 Re: Rear Anti Sway Bar for SIII?

Post by Series1 Stu » Tue Oct 23, 2018 8:29 pm

According to the parts manuals, all series 1 & 2 cars had rear anti roll bars.

I don't have the series 3 parts manual but I'll bet it's on here somewhere.

Regards
Stuart

If you can't make it work, make it complicated!

'62 FHC - Work In (slow) Progress
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MarekH
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#11 Re: Rear Anti Sway Bar for SIII?

Post by MarekH » Wed Oct 24, 2018 7:13 am

It isn't and they didn't, but you ought to be able to locate the captive nuts above the IRS where it would have bolted into the body as these are a legacy item still present in 1974.

Expect to alter the handling if you attempt to fit one, as it'll upset how the front grips the road, not just the rear's ability to roll.

kind regards
Marek

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