BMR 763 min lowering springs

[Stymee]

Did u cut your bump stops and if so how much

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[CEHollier]

Did u cut your bump stops and if so how much

Yes. I cut them to spec on the instructions. Front cut 3/8 and rear 5/8. https://www.bmrsuspension.com/siteart/install/SP763.pdf

 

[StangTime]

Finally installed my BMR 763 minimum drop springs and PP shocks/struts. Very happy with the results. A big thanks to Brian @ BMR and the members on their posts/information that helped me.

Your car looks awesome!
When you say "PP shocks/struts" are you talking about the OEM dampers from a performance pack optioned car or the Ford Performance parts?
I'm looking into lowering my car and my wallet is saying keep the PP1 dampers but my head is saying go all in with Steeda Active dampers and springs. The roads where I live are absolute dog shit. Lots of uneven surfaces from freeze/thaw cycles. There are some sections of road that have wavy sections where the rear of the car literally feels like it is being tossed up and down. The suspension seems unable to cope.
So I'm looking for feedback from those that are using the original PP dampers with aftermarket lowering springs.
How is the ride quality and handling with your combo?

 

[Stymee]

Yes. I cut them to spec on the instructions. Front cut 3/8 and rear 5/8. https://www.bmrsuspension.com/siteart/install/SP763.pdf

I’m running the same tire and wheel size, just using the SVE R325’s

Your car looks amazing, I can wait to do the 763’s now

 

[CEHollier]

I’m running the same tire and wheel size, just using the SVE R325’s

Your car looks amazing, I can wait to do the 763’s now

Thank you. I have since tinted it. View attachment 421530

 

[BFord1]

Finally installed my BMR 763 minimum drop springs and PP shocks/struts. Very happy with the results. A big thanks to Brian @ BMR and the members on their posts/information that helped me.

Woo wee! That thing looks nice and shiny. Beautiful car!

 

[Zoso]

Are camber plates or bolts needed to get alignment back in specs with these springs?

 

[BmacIL]

Are camber plates or bolts needed to get alignment back in specs with these springs?

No

 

[Stymee]

No

Correct I didn’t need anything, the alignment was done without any extra alignment parts


These springs r amazing

 

[Zoso]

Would cutting down the Eibach prokit bumpstops , as mentioned in other posts , be beneficial over cutting down the oem bumpstops? Or, would the switch not really be noticable?

 

[TheMegalodon]

Would cutting down the Eibach prokit bumpstops , as mentioned in other posts , be beneficial over cutting down the oem bumpstops? Or, would the switch not really be noticable?

the Eibach bump stops are 2.76” long, so they’re already shorter than stock to begin with. You could cut off the first section of the stem to reduce height further. Instead of doing that at first I’ve tried drilling 4mm holes in different areas to allow them to compress more. Another member recommended it. They’re already more compliant than the OEM bumpers because of the design.

 

[Zoso]

the Eibach bump stops are 2.76” long, so they’re already shorter than stock to begin with. You could cut off the first section of the stem to reduce height further. Instead of doing that at first I’ve tried drilling 4mm holes in different areas to allow them to compress more. Another member recommended it. They’re already more compliant than the OEM bumpers because of the design.

Would the Eibach stops be a noticable improvement in ride over the cut down oem stops?

 

[shogun32]

Would the Eibach stops be a noticable improvement in ride over the cut down oem stops?

I very much think so. The ford units have this plastic collar interfering with collapse. IMO all these instructions about cutting down OE spacers likewise need to include getting rid of the black ring.

 

[TheMegalodon]

Given how much the S550 rides the bump stops in the rear I believe it’s essential to have good ones if you’re lowering. The Eibach stops have made an improvement over the cut down OE ones.

The head design of the Eibach ones is like a mushroom and it compresses well. The Ford OE bump stops are garbage in comparison; on this chassis the bump stops are there to offer a progressive spring rate to the linear rear springs. They are more a “helper spring” than a bump stop. Or at least that’s what I read in researching this.

Cut Ford on left // Eibach on right (with holes I drilled)

 

[Zoso]

Given how much the S550 rides the bump stops in the rear I believe it’s essential to have good ones if you’re lowering. The Eibach stops have made an improvement over the cut down OE ones.

The head design of the Eibach ones is like a mushroom and it compresses well. The Ford OE bump stops are garbage in comparison; on this chassis the bump stops are there to offer a progressive spring rate to the linear rear springs. They are more a “helper spring” than a bump stop. Or at least that’s what I read in researching this.

Cut Ford on left // Eibach on right (with holes I drilled)

What Eibach bumpstops would I need? Do they need cut with BMR minimum lowering springs?

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