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Increasing boost lag, crappy turbo response #103886 April 21, 2003 02:10 am UTC April 21, 2003 02:10 am UTC
Joined: Oct 2002 Posts: 535 Ottawa R Ros Guiller OP Member
Ros Guiller OP Member R Joined: Oct 2002 Posts: 535 Ottawa	Since i stopped driving my gf's talon about two weeks ago, I checked it out today, and the boost lag was BRUTAL. Even the boost was absolute CRAP! Popped the hood, started inspecting all the visible hoses... tightened down clamps... went for another drive... much better... but still shitty. Boost starts building at 3500RPM. WTF is up with that? I don't remember it being that bad. Goes right up to 14 psi like it did before. But it doesnt feel the same at all. Thought you guys might shed some light on the subject... Thanks Series V RX7 Turbo II $\:D$

Re: Increasing boost lag, crappy turbo response #103887 April 21, 2003 02:45 am UTC April 21, 2003 02:45 am UTC
Joined: May 2001 Posts: 874 Toronto W Wesley Burke Member
Wesley Burke Member W Joined: May 2001 Posts: 874 Toronto	Maybe you're a little too used to the RX-7? 2006 Jetta 1999 Ultra 150 18' Baja

Re: Increasing boost lag, crappy turbo response #103888 April 21, 2003 12:10 pm UTC April 21, 2003 12:10 pm UTC
Joined: May 2001 Posts: 1,575 Mississauga, ON R Rafal Kraskiewicz Serious Member
Rafal Kraskiewicz Serious Member R Joined: May 2001 Posts: 1,575 Mississauga, ON	cracked wastegate/exhaust housing could be causing the slower spool. have you pressurized the intake tract? '97 Cherokee '92 Talon TSi AWD

Re: Increasing boost lag, crappy turbo response #103889 April 21, 2003 01:47 pm UTC April 21, 2003 01:47 pm UTC
Joined: Oct 2002 Posts: 535 Ottawa R Ros Guiller OP Member
Ros Guiller OP Member R Joined: Oct 2002 Posts: 535 Ottawa	Nope havent done that yet. Series V RX7 Turbo II $\:D$

Re: Increasing boost lag, crappy turbo response #103890 April 21, 2003 02:04 pm UTC April 21, 2003 02:04 pm UTC
Joined: Nov 2001 Posts: 979 Ottawa, Ontario A Ali Ghadban Serious Member
Ali Ghadban Serious Member A Joined: Nov 2001 Posts: 979 Ottawa, Ontario	Check the 4 bolts holding the tubo to the manifold. They like to come loose after a while.

Re: Increasing boost lag, crappy turbo response #103891 April 22, 2003 12:29 am UTC April 22, 2003 12:29 am UTC
A Anonymous Unregistered
Anonymous Unregistered A	Common problem in higher milage turbos with internal wastegate flap. It's caused by cracks on the surface of the turbo where the flap seats.These allow exhaust gases to escape and you take longer to build boost.

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