BMR Performance, Handling and Drag Specific Spring Info: PICS

[BMR Tech]

SP080 Performance Springs: LINEAR
170lb/in Front
740lb/in Rear
http://www.bmrsuspension.com/index....eid=24&maincatid=113&catid=414&productid=1561





SP083 Handling Specific Springs: LINEAR
300lb/in Front
980lb/in Rear
http://www.bmrsuspension.com/index....eid=24&maincatid=113&catid=414&productid=1578





SP086 Drag Specific Springs: LINEAR
150lb/in Front
800lb/in Rear
http://www.bmrsuspension.com/index....eid=24&maincatid=113&catid=414&productid=1581





If you notice, the heights are all very similar because we feel these heights are best for geometry.

Average drops for these springs on a PP GT are as follows:

SP080: 1.24" Front / .40" Rear
SP083: 1.25" Front / .50" Rear
SP086: 1.25" Front / .50" Rear

RIDE QUALITY:

SP080 - Amazing. The number of people swapping to these springs from "others" is growing, and the feedback is perfect. These are "the" spring for those who plan to keep stock dampers, and just want a little more from their S550.

SP083 - Tight! These springs, I developed with aftermarket dampers in mind. The rear PP dampers work okay with the 980lb/in rear springs, but the front struts really need more valve and oscillation control. I have spent some time with these springs on a car with stock dampers, and it isn't too bad....but I think the majority will feel it's a little too much jounce.

SP086 - Smooth, but a little unbalanced. These springs ride great. The issue is, the soft front rate combined with the stiffer rear rate...isn't particularly the best when approaching corners is "tight/quick" maneuvers. These are really designed for the person who only cares about straight line traction and performance.

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[DivineStrike]

What are GT PP oem spring rates for comparison?

 

[Digital_Synapse]

:cheers:

 

[Buhbuhj]

Have you gotten ahold of an EB for testing yet Kelly? I'm holding off on springs because I'd like to stick with bmr.

 

[Slow89]

Have you gotten ahold of an EB for testing yet Kelly? I'm holding off on springs because I'd like to stick with bmr.

This, im debating cutting my springs for now and comparing them to your drag springs once u release a ecoboost specific spring. Dont want that reverse rake lol

 

[Evilwill]

what are the spec for the SP082 and the SP085 rear springs? (height - lbs)

 

[BmacIL]

what are the spec for the SP082 and the SP085 rear springs? (height - lbs)

All BMR rear springs are 0.5" drop

SP082 is 740 lb/in
SP085 is 980 lb/in
SP088 is 800 lb/in

 

[BMR Tech]

^ Correct @BmacIL

We have found the approximate 1/2" drop has provided us with the best performance result.

 

[whalesalad]

With the handling springs, what shocks/dampers do you recommend?

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