Bilstein B14 (PSS) vs Bilstein B14: Anyone know the specific differences?

Fusion Works · Sep 16, 2023

Just because they can't suggest revalving doesn't mean I won't. I have a set here that will probably get revalved soonish if the owner wants to step up from the Eibachs (which are junk. He already had a rear one puke its guts out)

My Bilstein fronts are an inverted damper design using a revalved Bilstein insert.

Just bought some more tubing to build another set. Think I am gonna do a track set and a street set of dampers. This allows me a lot less work to setup for a track weekend vs daily driving.

Fusion Works · Sep 16, 2023

BTW, Chris Taylor told me they never had a rear beam shift on a Bspec Fiesta or Mazda 2. LOL. Well we know that ain't true.

rallytaff · Sep 16, 2023

You guys lead such complicated lives! I've had my H & R street performance coilovers on my car since Jan 2016 which lowered the car substantially on stock wheels and tyres and I've had NO problems with them EVER! No rubbing regardless of road surfaces and no leaning in corners. Loves me the simple life!

foodtruck · May 22, 2024

DirtyChalupa said:

Just noticed this comment, and its pretty interesting because I think I'm noticing the same, but on B14s. I recently measured the lowering and its pretty much the same as Swifts (~1in in the front) so I'm wondering what can this be attributed to. Probably not due to B14's progressive springs since Swifts are linear?

Could it just be the effect of lowering the front by 1in on our platform?

Fusion Works · May 23, 2024

That is the lack of low speed rebound from the B14s. The OEM dampers got a lot of the "snappy" feel for our cars with a healthy amount of low speed rebound. The B6 damper does OK, better than the B14.

M-Sport fan · May 23, 2024

Fusion Works said:

If I am going to pair them with Swift Spec Rs, would I be better off going for the new old stock (IF I can find them, Rock Auto claims to have them on their listing) early OEM dampers, or the B6es, as far as quality/longevity vs. performance and 'feel' goes? [dunno]

I know that they are both twin tube, small internal component diameter, not inverted, street use type dampers, but could the factory one even possibly be as high in build quality as the Bilstein??

Fusion Works · May 23, 2024

So the Swift Rs drop the car and the B6/Stock dampers are stock length. Now that said you could figure out a way to space the spring out to compensate for that extra length. The B8 is a better choice for a shorter spring. I haven't dyno'd a pre 16 damper. Would be interesting to see what the differences are.

That said a twin tube is a twin tube as far as I am concerned. The internals are about the same, so I would expect durability to be similar. The Bilstein probably has better finishes so it won't rust away as fast if that is a concern.

foodtruck · May 23, 2024

Fusion Works said:

Right, but then how would that explain the similar reduction in steering twitchiness on Swifts and stock dampers the OP reported? That's what's confusing to me. Then the reason for it must be something that's common for both Swift and B14 springs?

Fusion Works · May 23, 2024

Re-read his post. Wonder if he ever checked his alignment after installing the springs? Lowering the car would toe in the front axle thus making steering less responsive.

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Bilstein B14 (PSS) vs Bilstein B14: Anyone know the specific differences?

Fusion Works

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rallytaff

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