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Thread: Rajicase's First Turbo Build, Ballin' On A (Nonexistent) Budget

  1. #3751
    Join Date
    Oct 2010
    Location
    Manchester, N.H.
    Posts
    16,170
    My Cars
    96 332IS 6466 turbo
    Quote Originally Posted by chikinhed View Post
    The torque converter would lessen the chance of wheel hop but the issue would still be there. PEI330i said that his black car (caged) had no hop and the white car has hop (no cage). Different car but similar issues. Thats what got me investigating deeper into the issue. I'm sure that if I stiffen up the back and put drag radials on it it won't hop anymore. I'm willing to be the guinea pig on this one. I may put some 'kits' together if I have success.
    I have 0 hop. Drag radials, toyo 888's and toyo r1r's I've ran.
    Used to have it before I built the rear.
    1996 332IS
    Built 3.2
    CES/Steed TS Precision 6466, spraying a "$π!℅" load of meth.
    Technique Tuning 80# tune.
    1/4 mile 10.84 @ 136.72
    Your 1 and only stop for all your BMW performance needs
    WWW.CESMOTORSPORT.COM

  2. #3752
    Join Date
    Jul 2005
    Location
    PEI, Canada
    Posts
    2,379
    My Cars
    2001 330i
    Quote Originally Posted by chikinhed View Post
    The torque converter would lessen the chance of wheel hop but the issue would still be there. PEI330i said that his black car (caged) had no hop and the white car has hop (no cage). Different car but similar issues. Thats what got me investigating deeper into the issue. I'm sure that if I stiffen up the back and put drag radials on it it won't hop anymore. I'm willing to be the guinea pig on this one. I may put some 'kits' together if I have success.
    To clarify, the Silver car has no tie-in points on the top of the 4 subframe mounting points into a cage. However, the rear mounting points are tied into a subframe that was built into the trunk; I'm pretty sure they aren't moving. The front mounting points....I don't know what they are doing.

    Before going nuts on the chassis, I'm installing linear position sensors on the rear shocks so that I can datalog the effects of different damper settings. (I have MCS 2 way adjustable rear shocks) If a full range of adjustments doesn't help, then we know that the issue is the chassis. At that point I'll have to decide if I'm going to put a 6 point roll bar into the car, and tie in all 4 subframe mounting points like I did in the Black car. My son won't be getting rides to school any more like that though....

  3. #3753
    Join Date
    Aug 2007
    Location
    Vancouver, B.C., Canada
    Posts
    7,478
    My Cars
    '97 M3
    The rear subframe mount points are not moving other than the subframe pivoting about them as the front moves up and down.

    Butters, does your car have fold down rear seats?
    '97 M3, Estoril blue, 2 dr, euro 6-spd, EFR 9180 divided T4 .92, RK tuning, CP 8.5:1 pistons, Eagle rods, Schrick cams, L19 11 mm ARP studs, O-ringed block, Supertech stainless/inconel valves, Supertech springs & Ti retainers, ported head, S54 oil pump/pan, 80 lb. injectors, OBD1 intake manifold, Steedspeed twin scroll T4, 3.5" SS exhaust, AMS-500 EBC, HFS-4 W/M injection, AEM Failsafe, Zeitronix data logger, Racelogic TC, OpenOBC w. ethanol %, Ireland Eng. engine mounts, UUC black tranny mounts w. enforcers, UUC twin disc feramic, ARC-8's, MCS 2-ways, Z3 rack, Rallyroad strut bar, X brace, Eibach sway bars, Ground Control LCAB bushings, Bimmerworld RTAB's, Powerflex subframe bushings, CES 750iL diff conversion, Stoptech BBK, titainium shims, steel braided lines, brake cooling ducts.

  4. #3754
    Join Date
    Oct 2010
    Location
    Manchester, N.H.
    Posts
    16,170
    My Cars
    96 332IS 6466 turbo
    Quote Originally Posted by chikinhed View Post
    The rear subframe mount points are not moving other than the subframe pivoting about them as the front moves up and down.

    Butters, does your car have fold down rear seats?
    Yes, coupe fold down seats.
    I'll be honest, last time I had wheel hop I was running mickey Thompson drag radials. Then since then I stripped the whole rear out if the car.
    Uuc rtab, uuc lower control arms, uuc bars (those were already installed long ago tho) new stock m3 bushings at the joints, powerflex subframe , then I welded up all the reinforcements subframe and rtab, DSS shaft and axles I built. I'm really happy I don't have hop, but I think Phil and Greg also have no hop either.
    How bad is this hop you have ?
    1996 332IS
    Built 3.2
    CES/Steed TS Precision 6466, spraying a "$π!℅" load of meth.
    Technique Tuning 80# tune.
    1/4 mile 10.84 @ 136.72
    Your 1 and only stop for all your BMW performance needs
    WWW.CESMOTORSPORT.COM

  5. #3755
    Join Date
    Jun 2005
    Location
    Concord, NH
    Posts
    19,827
    My Cars
    08 E90M3; 99 E36M3 Turbo
    Chikinhed has all the stronger parts you have that might help reduce hop. But he is running race tires that won't give and I don't think he has a line lock to heat them up so the stick. Maybe the result is that they hop more.

  6. #3756
    Join Date
    Oct 2010
    Location
    Manchester, N.H.
    Posts
    16,170
    My Cars
    96 332IS 6466 turbo
    Quote Originally Posted by pbonsalb View Post
    Chikinhed has all the stronger parts you have that might help reduce hop. But he is running race tires that won't give and I don't think he has a line lock to heat them up so the stick. Maybe the result is that they hop more.
    Maybe thats it. Dunno
    1996 332IS
    Built 3.2
    CES/Steed TS Precision 6466, spraying a "$π!℅" load of meth.
    Technique Tuning 80# tune.
    1/4 mile 10.84 @ 136.72
    Your 1 and only stop for all your BMW performance needs
    WWW.CESMOTORSPORT.COM

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