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| ebxr82nv |
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After a spirited drive last nite I got home and for some reason I lookedunder my car and saw that the cat was glowing red hot. Now I'm not sure if this is normal or not but I'm a little concerned the cat is supposed to be a hi flow(not sure of the brand) and it's only 6 months old. Does anybody know what may cause this??
I'm running extractors and a 2.5" mandrel system with 1 muffler and a resi at the back.
_________________ 9/98 AU1 XR6hp-about to retire from the road and be reborn on the race track. |
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| fordfreak ef |
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ive had my extractrors glowing red hot and that was just cruising!.. something was worng wit the timing and was craeting havoc with the air fuel ratio's creating a super hot exhaust temp...
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| Steady ED |
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Blocked cat, timing is retarded or lean air fuel ratio.
Did you happen to look at the extractors?
_________________ ED XR8 Sprint - S-Trim, V500, 249rwkw |
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| ebxr82nv |
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Extractors were fine. It seems to be running rich if anything but I think the cat may be blocked, it's making a donging noise on the inside. Time to give it a little bash out me thinks.
_________________ 9/98 AU1 XR6hp-about to retire from the road and be reborn on the race track. |
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| pete.h |
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Well put it this way, if you had the factory cat still in it wouldn't have glowed red, it would have just melted internally.
 That's what happened to mine. As far as I know the High flow cats are built to be able to transfer more heat to the outside and avoid the internals melting into one clump.
_________________ E-series |
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| MAD |
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Overly rich can cause a cat to get extra hot.
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| ebxr82nv |
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No more blocked cat hehe
_________________ 9/98 AU1 XR6hp-about to retire from the road and be reborn on the race track. |
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| Johnson stroker |
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its bad to punch a cat out. RSPCA does not like that.
But gutting is fun, if not messy. So you burnt a 6 month old cat. hollow cats sound aweful, just get it tubed, actually get it replaced its a MONSTER fine for no cat, same fine as having a screamer pipe.
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| ebxr82nv |
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Yeah to much fuel I think. Doesn't sound any different but.
_________________ 9/98 AU1 XR6hp-about to retire from the road and be reborn on the race track. |
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| EL__Fairmont |
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ebxr82nv wrote: Yeah to much fuel I think. Doesn't sound any different but. any power gain difference between when the cat was new and when it was gutted????????? After some heavy driving my 2.5in magnaflow 200cpi cat, makes a ticking sound for a few minutes after the car is turned off. Probably the outer heat shield casing expanding???
_________________ 97 EL Fairmont 4l OHC .Silver. |
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| data_mine |
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cats are meant to operate at upwards of 700°C
So some glowing will be normal. In the dark 400°C will cause a slight glow. (700°C will be visibly red in daylight)
_________________ 1998 DL LTD in Sparkling Burgundy, daily, 302W, stereo, slow |
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| fiftyone |
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its blocked, bad
put zoommy pipes on it, that'll fix it. actually do it
_________________ ** For Sale ** http://www.fordmods.com/ford-parts-for-sale-f17/assorted-e-series-parts-t124697.html |
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| Krytox |
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dc_todd wrote: its bad to punch a cat out. RSPCA does not like that. Heh, Its EPA!
_________________ Carefree, we may not be number one, but we're up there. |
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| data_mine |
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Krytox wrote: dc_todd wrote: its bad to punch a cat out. RSPCA does not like that. Heh, Its EPA! See that way over there, it's the joke you missed.
_________________ 1998 DL LTD in Sparkling Burgundy, daily, 302W, stereo, slow |
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| Froudey |
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Krytox wrote: dc_todd wrote: its bad to punch a cat out. RSPCA does not like that. Heh, Its EPA! I got the joke lol
_________________ R.I.P Tobias my son. |
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