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J STOCK springs are BACK!!!!!!!!!

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  • mwagner10702
    replied
    Looks like the J-Stock springs are available again. (12/6/2018). Merry Christmas.

    https://www.turnermotorsport.com/p-3...pring-set-e30/

    E30 J-Stock Bilstein Race Shock Set looks to be shipping on 12/31/2018.

    Leave a comment:


  • mwagner10702
    replied
    Originally posted by mwagner10702 View Post
    The J-Stock springs as manufactured by Eibach
    CORRECTION - J-Stock springs are manufactured by H&R. My apologies for the error.

    Leave a comment:


  • mwagner10702
    replied
    Originally posted by kumquatism View Post
    Would this set be a good use for a weekend car? If I'm only going to autoX maybe once or twice a year for fun and mostly for light weekend driving, it doesn't seem like it's worth it to me. If it's comfortable to run without the revalve, I could understand using them. I'm not questioning if it's a solid performer for high performance driving, but rather casual driving with slight spirited driving every once in awhile.
    I think the answer is somewhat subjective and relative to (your) age, condition of your local roads, other modifications, etc. The J-Stock springs as manufactured by Eibach are progressive springs with rates in the front up to 680lbs and the rear up to 1026lbs. The progressive nature of the springs will give you a more compliant ride until the spring reaches its maximum deflection rate. That said the J-Stock springs are going to be super stiff, especially if you are currently on OEM springs.

    I have a Ground Control coilover setup (with the modified front struts) on my M3 with 550lb front and 750lb rear Eibach springs (linear rate). These springs are paired with revalved (and shortened) SA Konis. Even with the Konis at their softest adjustment setting my ride is firm on the street and somewhat sharp over certain road irregularities. On the track however it is another story; supremely planted, minimal roll, very predictable. Granted this is not an apples-to-apples comparison to a J-Stock / Bilstein setup, but given my results I can only imagine how competent the J-Stock / Bilstein setup would be on the track.

    If you go the J-Stock route, you will definitely need to get the shortened and revalved Bilsteins. Otherwise, as others have mentioned, your ride will suffer and you will hate your car. Trust me, your dampers must be valved to your spring rates to maximize overall performance and compliance. There is nothing worse than a suspension setup with mismatched springs and dampers. Even if you didn't want to revalve, the J-Stock springs are 1.5" and 1.25" shorter (front and rear) than stock and will eventually blow out standard length dampers as you will run out of damper travel.

    If this is the direction you want to go, save your money and do it right with the proper dampers.

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  • RAD2LTR
    replied
    Originally posted by kumquatism View Post
    Would this set be a good use for a weekend car? If I'm only going to autoX maybe once or twice a year for fun and mostly for light weekend driving, it doesn't seem like it's worth it to me. If it's comfortable to run without the revalve, I could understand using them. I'm not questioning if it's a solid performer for high performance driving, but rather casual driving with slight spirited driving every once in awhile.
    These springs are great as a daily driver. I've been using them for 3 years now. The spring rate is high enough that without a revalve, it will be bouncy. The springs are awesome for autoX, but without having enough damping, the ride is like you have no dampers.

    Will

    Leave a comment:


  • kumquatism
    replied
    Would this set be a good use for a weekend car? If I'm only going to autoX maybe once or twice a year for fun and mostly for light weekend driving, it doesn't seem like it's worth it to me. If it's comfortable to run without the revalve, I could understand using them. I'm not questioning if it's a solid performer for high performance driving, but rather casual driving with slight spirited driving every once in awhile.

    Leave a comment:


  • mwagner10702
    replied
    Originally posted by redneckvtek View Post

    B8's are not valved for Jstocks out of the box.
    If I understand correctly they are "underdamped"

    You would need to send your brand new B8's off to Bilstein in CA and pay $600 for them to adjust them to J-Stock specs.

    As of today, J-stock shocks are listed on TMS website for $659 with a ship date of Dec 10 2018. Is this true?
    Thanks - I looked at the TMS web site. According to the description, it's more than just revalving. Both front and rear dampers are shortened and the rear shocks are modified to run in an inverted position. When combined with the J-Stock springs I can see why this is a great track / race setup.

    Leave a comment:


  • iliad
    replied
    I have a set of J-Stock springs that I would be willing to part with.

    Leave a comment:


  • AWDBOB
    replied
    I'm still in for just springs.

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  • redneckvtek
    replied
    Originally posted by mwagner10702 View Post
    So just to confirm . . . the Bilstein B8's out of the box are valved for the J Stock springs, or do they need to be revalved to be compatible with the J Stocks?

    I am asking because 1) I am slightly confused on this issue, and 2) looks like both the J Stock springs and the B8's are available on the TMS web site.
    B8's are not valved for Jstocks out of the box.
    If I understand correctly they are "underdamped"

    You would need to send your brand new B8's off to Bilstein in CA and pay $600 for them to adjust them to J-Stock specs.

    As of today, J-stock shocks are listed on TMS website for $659 with a ship date of Dec 10 2018. Is this true?

    Leave a comment:


  • peteb
    replied
    Originally posted by Uber Wagon View Post

    Answering my own question: Just spoke to Turner and they took them off the site until they get a firmer lead time from H&R. Sounds like early next year.
    My order shows a ship date of Jan 28th.. HTH.

    Leave a comment:


  • Uber Wagon
    replied
    Originally posted by Uber Wagon View Post

    Can you post the link to order? The older link above shows up as NLA for me.
    Answering my own question: Just spoke to Turner and they took them off the site until they get a firmer lead time from H&R. Sounds like early next year.

    Leave a comment:


  • Uber Wagon
    replied
    Originally posted by peteb View Post
    I put my order in, but shows a ship date of January sometime....
    Can you post the link to order? The older link above shows up as NLA for me.

    Leave a comment:


  • peteb
    replied
    I put my order in, but shows a ship date of January sometime....

    Leave a comment:


  • mwagner10702
    replied
    So just to confirm . . . the Bilstein B8's out of the box are valved for the J Stock springs, or do they need to be revalved to be compatible with the J Stocks?

    I am asking because 1) I am slightly confused on this issue, and 2) looks like both the J Stock springs and the B8's are available on the TMS web site.

    Leave a comment:


  • Uber Wagon
    replied
    Just added my name to the list!

    Leave a comment:

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