Turbo M20 guys, what gear ratio's are you running?

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  • downforce22
    No R3VLimiter
    • Aug 2009
    • 3191
    #16
    thinking about going turbo with my ix... currently has a 4.10 in it ;)
    318iS Track Rat :nice: www.drive4corners.com
    '86 325iX 3.1 Stroker Turbo '86 S38B36 325

    No one makes this car anymore. The government won't allow them, normal people won't buy them. So it's up to us: the freaks, the weirdos, the informed. To buy them, to appreciate them, and most importantly, to drive them.

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      • der affe
        Moderator
        Technical
        • Dec 2005
        • 8452
        #17
        Originally posted by nando
        New OE BMW parts and an appropriate cam will do 7200+ all day long.

        Springs are more dependent on the cam choice, so obviously an agressive cam will need stiffer springs.
        i was going to say that, stiffer springs are a cam tracking issue with a cam with faster ramps and higher lift. not so much a rpm thing.

        did i mention that my mega squirt is working now.......:D
        seien Sie größer, als Sie erscheinen


        Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.

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          • JTapper
            E30 Modder
            • Sep 2009
            • 847
            #18
            Originally posted by z31maniac
            I'm just thinking even a 3.73 might end up being a hair short based on the power goals.
            This.

            Ignore the part where i blow my head gasket, pressurize my cooling system, and cover myself in coolant (no hood).

            sigpic
            Turbo Cabrio project: http://eurowerks.org/showthread.php?t=19677

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              • e30e
                R3VLimited
                • Dec 2004
                • 2176
                #19
                Originally posted by JTapper
                This.

                Ignore the part where i blow my head gasket, pressurize my cooling system, and cover myself in coolant (no hood).

                the "fuck" at the end, summed it up.
                1985 BMW 325e
                1997 BMW M3/4/5
                2007 Chevy Silverado Crew Cab 5.3 v8

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                  • MonkeyMadness
                    No R3VLimiter
                    • Apr 2010
                    • 3251
                    #20
                    3.73


                    :mrgreen:"fuck"
                    https://www.forabodiesonly.com/mopar...re-irs.356333/

                    This Forum is built on love, and powered by Sexual Tension!

                    When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car.

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                      • MR 325
                        Moderator
                        • Oct 2003
                        • 37828
                        #21
                        I like the 3.73.

                        I'd probably do a 3.46 if they were easier to get a hold of.
                        BimmerHeads
                        Classic BMW Specialists
                        Grover Beach, CA
                        www.BimmerHeads.com

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