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  1. ma71supraturbo

    Turbo lag is way uncool!

    You should definitely be getting boost before that. I just talked to a customer with the HPF 61 (same .68 A/R, 2mm smaller compressor wheel) and he's getting boost ~ 3000 and full boost ~3500. You should be seeing a maximum of a couple hundred rpm difference from that... Greg, I left a...
  2. ma71supraturbo

    Fidanza positives and negatives.

    Quality on the RPS flywheel is excellent. The Toyota and TRD clutch will not fit -- period. If you want to use a Toyota clutch, use one designed for a MR2. Sprung clutches dampen the engagement of the clutch and are better on the drivetrain and easier around town. Unsprung clutches are...
  3. ma71supraturbo

    Coilovers vs. Aftermarket Springs & Shocks

    Like springs, each coilover system will ride differently. The plushest coilovers are the HKS hipermax II's, and they ride as well as the stock springs (but handle much better).
  4. ma71supraturbo

    Battery Tie Down

    935 motorsports also sells one that is a bit more attractive than the stock stamped steel piece
  5. ma71supraturbo

    Fidanza positives and negatives.

    The Fidanza/SPEC flywheels purchased within the last year should not have the fitment issues of the ones purchased more than a year ago. They should now fit over the crankshaft with little wiggling... The Unorthodox flywheels are nicer as a whole, but a recent batch has been sitting awfully...
  6. ma71supraturbo

    cooleze dp and bic dp

    As far as copying designs, let me give you a brief history (from the top of my head, so the exact details may be slightly off) ~1997 (when I joined the Supra world). HKS made this really cool downpipe that was super hard to find in the US (people were paying $300 for the thing!). Our...
  7. ma71supraturbo

    cooleze dp and bic dp

    First Cooleeze is an independent company, as is BIC. And Cooleeze doesn't make a DDP (which BIC does). Now, for the BIC ddp numbers: At the Supra Nationals in Portland, Tom B. dynoed over 300rwhp through an automatic with the ddp, test pipe, cat back, intake, upgraded ct26 (probably...
  8. ma71supraturbo

    Progresss Picssssssd

    Probably to maintain the use of the stock thermostat for the oil cooler
  9. ma71supraturbo

    Custom cams came in....*pics*

    I'm in love. Those are badass man! I think there are going to be some seriously surprised MKIV's at Vegas...
  10. ma71supraturbo

    some new drift shots

    Nice job! That lil 7m has no problem putting out plumes of smoke ;)
  11. ma71supraturbo

    spring rates?

    Keep in mind the total cost of the springs, sleeves, shocks, upper pillow-ball mounts and labor. On many cars it is less expensive to get an entry-level coilover instead..
  12. ma71supraturbo

    spring rates?

    http://www.geocities.com/ma71supraturbo/MK3Tech/Coilovers.html That lists the spring rates on most of the coilovers available today. If you want something that is on the softer side (still much firmer than stock) get the 672# springs in the front and 336# in the rear (12kg/mm / 6kg/mm)...
  13. ma71supraturbo

    Cometic MHG

    HKS stopper
  14. ma71supraturbo

    beeper when afr reaches 12.5

    Sounds like you've got the idea, although I'm not sure about the specifics of the TPS. I *think* it is based on resistance and goes to infinite ohms (open switch) when you go to WOT. ninja edit: nm it doesn't go to infinite ohms, but the resistance goes up as you open the throttle
  15. ma71supraturbo

    SPEC 1JZ flywheels

    Pricing would be (drum roll please) $330 They're estimating it would take 4-6 weeks.
  16. ma71supraturbo

    wideband o2 question

    http://www.horsepowerfreaks.com/buy/AEM/Electronics/Wideband_Kits The AEM does not do any internal datalogging, but it does have 2 outputs -- a 0-1 volt signal designed to mimick a narrowband signal (so you could run it to your stock ECU and not get a trouble code), and a 0-5 volt signal used...
  17. ma71supraturbo

    SPEC 1JZ flywheels

    Drunk Medic -- SPEC flywheels are alluminum with a carbon-steel (replaceable) insert where the clutch pad material meets the flywheel. If you want a chromoly one due to serious drag use/abuse get the JUN, but the SPEC/Fidanza flywheels work very well for most people. Toyohabu, SPEC does seem...