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This is a discussion on vs. VR-4 within the Comparison: WRX vs World forums, part of the Community - Meet other Enthusiasts category; The 6spd (94+) really gets the most out of the stock turbos, which drop to 11-12 psi past 5500 rpm ...

  1. #16
    Registered User John M's Avatar
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    The 6spd (94+) really gets the most out of the stock turbos, which drop to 11-12 psi past 5500 rpm no matter what. Shifting gets you back into real boost again, meaning acceleration is steady well past 100 mph.

    The stock catback (3 inch till the mufflers) can support 115 mph traps before becoming a restriction so don't let it fool you. The real gain in power is a 3-inch downpipe and losing the pre-cats (actually, 2 small cats after the turbos but before the main cat). A car with a downpipe and boost controller can trap 105-107 mph and look stock doing it.

    Though a neglected example will be slower, it doesn't take much to keep 'em going. New plugs & wires, an o-ring for the rear turbo-to-IC pipe connection, and maybe a fuel pump rewire and they're set.

    My usual example for people wondering what they'll do is I put a MBC and K&N on a friend's 92 Stealth (150k miles) that he'd bought a week prior to the track day. It ran 13.2 @ 103 with nothing else done to it.

    If my car hadn't gotten me arrested twice, I'd still have it
    John M
    2000 Lincoln Continental - slow DD with the DOHC 4.6 and a Superchips tune
    1992 Lexus SC400 - slow resto project
    2005 Legacy GT Limited - SOLD Feb 2011 - Forged internals, FP HTA Green @ 22 psi.

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  3. #17
    Registered User BooSted_Out's Avatar
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    Cameron do you know what your car runs? My friends 94 VR4 with exhaust and intake ran a 13.2. he got his with very low mileage I think it has 35000. What year is his and its not a spyder version is it? and I would also go from a dig both are AWD.
    nuttn' says stock like the sweet sound of a bov!

  4. #18
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    My friends stealth rt is a 95 with 26,000 miles on it. Very good shape and sounds great. I'm going to stage 2 next week, so I don't think the results will be the same next time we run.
    Lit Fuse Kustoms

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  5. #19
    Registered User Cameron's Avatar
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    Well I just found out that he is also running a boost controller set @ 15psi (or so he says) this my be harder then I expected.

    Not sure when we'll race, but I'll let everyone know the outcome... maybe even make a video out of it.
    03' WRB WRX, 5spd
    AccessPort w/ VF34 (PDX Tuning map)
    Cobbtuning Intake
    TXS Catless StealthBack /w Stromung XA
    Nino's Uppipe
    Samco I/C Hoses

  6. #20
    Registered User John M's Avatar
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    Don't show him my site then!

    If he rewires the fuel pump per my directions, he can set it for 18 psi and it'll run at least 12.70s since he's already got the exhaust work.
    John M
    2000 Lincoln Continental - slow DD with the DOHC 4.6 and a Superchips tune
    1992 Lexus SC400 - slow resto project
    2005 Legacy GT Limited - SOLD Feb 2011 - Forged internals, FP HTA Green @ 22 psi.

  7. #21
    Registered User DTR rex's Avatar
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    Quote Originally Posted by Cameron
    Well I just found out that he is also running a boost controller set @ 15psi (or so he says) this my be harder then I expected.

    Not sure when we'll race, but I'll let everyone know the outcome... maybe even make a video out of it.
    It will be close, but if his car is in good condition and he can drive.... My money is on the VR4
    Just call me Clark Kent
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    Offical Body Guard for the Bugeye Mafia.

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