H&R Rear Spring Upgrade

4.2 V8 40v biturbo - 450 bhp
4.2 V8 40v biturbo - 480 bhp (plus)
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Cbardell
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Posts: 33
Joined: Tue Sep 20, 2016 4:38 pm

H&R Rear Spring Upgrade

Post by Cbardell » Thu Mar 02, 2017 12:07 pm

As mentioned in another thread I ordered and fitted new rear springs to my H&R coilovers as the rears were fooked.

Spring rates based on PSS9's, required some machining of spring perch and had to have some custom top cups made as the H&R shocks are too long in my opinion.
All done it's set me back arround £200-240, which I don't think is too bad personally.

Managed to achieve DRC ride height, comfort is second to none in comparison to the H&R's, handling is vastly improved and you can put 3 20stone body's in the boot and get very minimal sag.

Will do a proper write up with specs etc if people are interested? Now to do the fronts!!

Before
IMG_5161.JPG
Before
After
IMG_5183.JPG
After
Perch machining
IMG_5163.JPG
Perch

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Jayjay101
4th Gear
Posts: 896
Joined: Fri Dec 18, 2015 9:24 pm

Re: H&R Rear Spring Upgrade

Post by Jayjay101 » Thu Mar 02, 2017 12:32 pm

As I said in before mate I'd love to know more-I can do the machining myself as I'm a cnc Turner.whats the ride like?
c5 rs6 owner thats been known to cut the wrong wire.............

Cbardell
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Posts: 33
Joined: Tue Sep 20, 2016 4:38 pm

Re: H&R Rear Spring Upgrade

Post by Cbardell » Thu Mar 02, 2017 3:01 pm

Ride is a hell of a lot better now, also you don't feel like your looking at the sky.

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Shoppinit
Cruising
Posts: 20308
Joined: Wed Dec 31, 2008 6:24 pm

Re: H&R Rear Spring Upgrade

Post by Shoppinit » Thu Mar 02, 2017 6:10 pm

Looks much better.
Cbardell wrote:
Thu Mar 02, 2017 12:07 pm
Will do a proper write up with specs etc if people are interested?
Yup, please do.
Daytona RS6 C5 Avant. Viper'd, Billies, Waggers, MTM box brain, C6 stoppers, xcarlink, R8 coolant cap (woohoo)
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."

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