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Sep 22, 2009, 12:47 AM
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#16
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Newbie
Personal Sales Rating: ( 0)
Join Date: May 2007
Location: Oregon
Posts: 50
Drives: IX MR
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I had this exact thing happen on a 924 porsche turbo, I know, rat car of the Porsche world. Friends car, but the cat didn't rattle. The honey comb material inside still got plugged. What I did was use the test port ahead of the cat as a port to measure pressure with a gauge. Set that up on there, start the car, rev it up to 4k, no load. I got 8 pounds pressure, and that was enough to make me check into that further. Put a test pipe in, problem solved. I guess you could drive the car and I'm sure when under load you'd get a much higher # then if the cat is plugged.
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Sep 22, 2009, 12:53 AM
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#17
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Evolving Member
Personal Sales Rating: ( 4)
Join Date: May 2008
Location: West Point, Utah
Posts: 299
Drives: 1987 RX-7 sold, 1993 RX-7 sold, 1996 cobra sold, 1999 F350 sold, 2006 Evilution IX
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He didn't change the plugs to long ago did he?
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Sep 22, 2009, 01:11 AM
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#18
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Evolved Member
Personal Sales Rating: ( 8)
Join Date: Mar 2007
Location: Madison, WI
Posts: 820
Drives: EVO VIII w/ SSL
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we changed the plugs at the last oil change...BPR7ES...and we are going to change them again this oil change that we're goin to do this weekend...
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Sep 22, 2009, 04:30 AM
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#19
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Evolved Member
Personal Sales Rating: ( 8)
Join Date: Mar 2007
Location: Madison, WI
Posts: 820
Drives: EVO VIII w/ SSL
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bump before i FINALLY get some sleep...lol
__________________
MAPerformance o2 Dump
Megan Racing Downpipe
RacingSports Testpipe
ExoticSpeed Catback
Walbro 255 Fuel Pump
Cusco Twin Disk
Buschur Racing Shifter Bushings
Buschur Racing SS Clutchline
Forge UNOS MBC
OBX-R FMIC
AMS LICP
JDM IX BOV
CajunPower T-Bolt Clamps
Spectre SS Filter w/ Adapter
Beatrush Engine Roll Stopper
K U N i i i Z Z Z E E E Dial-In
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Sep 22, 2009, 06:41 AM
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#20
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Evolving Member
Personal Sales Rating: ( 4)
Join Date: May 2008
Location: West Point, Utah
Posts: 299
Drives: 1987 RX-7 sold, 1993 RX-7 sold, 1996 cobra sold, 1999 F350 sold, 2006 Evilution IX
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If you didn't gap them right that would make it drive like that at WOT. I wouldn't gap higher then .24. My little brother tried to gap his at .26 and at WOT, It wouldn't run right. But driving normal there was no problem. Hope this maybe helps  Good luck
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Sep 22, 2009, 04:30 PM
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#21
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Evolved Member
Personal Sales Rating: ( 8)
Join Date: Mar 2007
Location: Madison, WI
Posts: 820
Drives: EVO VIII w/ SSL
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i got that on lock already...its something other than that...i hope it is just a clogged cat...
bump for other thoughts!!!
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MAPerformance o2 Dump
Megan Racing Downpipe
RacingSports Testpipe
ExoticSpeed Catback
Walbro 255 Fuel Pump
Cusco Twin Disk
Buschur Racing Shifter Bushings
Buschur Racing SS Clutchline
Forge UNOS MBC
OBX-R FMIC
AMS LICP
JDM IX BOV
CajunPower T-Bolt Clamps
Spectre SS Filter w/ Adapter
Beatrush Engine Roll Stopper
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Sep 24, 2009, 10:17 AM
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#22
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Evolved Member
Personal Sales Rating: ( 8)
Join Date: Mar 2007
Location: Madison, WI
Posts: 820
Drives: EVO VIII w/ SSL
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any more thoughts?
__________________
MAPerformance o2 Dump
Megan Racing Downpipe
RacingSports Testpipe
ExoticSpeed Catback
Walbro 255 Fuel Pump
Cusco Twin Disk
Buschur Racing Shifter Bushings
Buschur Racing SS Clutchline
Forge UNOS MBC
OBX-R FMIC
AMS LICP
JDM IX BOV
CajunPower T-Bolt Clamps
Spectre SS Filter w/ Adapter
Beatrush Engine Roll Stopper
K U N i i i Z Z Z E E E Dial-In
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Sep 24, 2009, 10:28 AM
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#23
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Newbie
Personal Sales Rating: ( 0)
Join Date: Mar 2005
Location: Fairfax, VA
Posts: 80
Drives: VIII RS
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Check your IC pipes and couplings for a boost leak. I had the same thing happen to me. I bought T-clamps and never happened again.
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HKS 280/280, HKS UICP, HKS RS intake
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Perrin TBE/test pipe
ACT HD 355hp/318awtq
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Sep 24, 2009, 11:00 AM
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#24
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Evolving Member
Personal Sales Rating: ( 2)
Join Date: May 2002
Location: Manchester, CT / West Hartford, CT
Posts: 106
Drives: EB IX
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Another vote here for clogged cat. Sounds like the exact same symptoms ive seen a few times related to clogged cat. It might not even rattle.
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'06 EB IX - Perrin/Hallman/ECS Tuned: 300WHP
Thanks to the USPS for purchasing my mods by hitting me with your truck!
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20, asap, barely, car, evo, exoticspeed, fuel, gear, green, moves, obx, past, prelude, psi, pump, racing, sputters, turbo  |
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