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ls1 swap hydroboost flexing fix

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    ls1 swap hydroboost flexing fix

    I have had my ls1 swapped e30 for the past year, took it to two track days and i've been trying to improve the brakes for a while.
    I'm running garrets hydroboost relocation, but unfortunately i noticed under heavy breaking the firewall flexes like crazy. I added large fender washer to the inside of it where the bell crank bolt mount, but there was still flexing making the pedal soft.
    I decided to add a brace to the whole thing, i first used a bar but it was still flexing, then i bought a gokart tie rod kit and now there is absolutely no flexing at all.
    Consider that the flexing was much worst before my e46 m3 brake swap.


    LS1 91 325i - BC Coils, e46 m3 brakes,style 32 17x9, Red Plastidip, H/C/I


    #2
    If you are using the Mustang master cylinder (1.06 bore), consider switching back to the stock E30 MC, which is 0.81 bore. Your pedal feel will be better, and pedal forces lowered by about 40%. Make an adapter from aluminum as shown in the pdf's
    Attached Files
    E30-LS1 aka. 357is
    email us to pick up our LS1 swap guide
    E30-LS1 KITS now available!!
    E30LS1@gmail.com
    e30ls1.com

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