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Catalytic Converter and Performance

terrykrueger

Well-known member
Joined
Sep 12, 2003
Messages
54
Location
MKE
Corvette
1987 Not a Sh*tbox anymore
OK this has been covered time and again, but let me tell you the story and get some feedback: 87 Califormia with hard spinning 'chirps' into second. I started smelling a bit of a converter (rotten egg) smell when I REALLY got on it, so I gutted all 3 cats. No more chirps into second. Does this mean I royally screwed up? I see all of these people bragging about how fast their car went once gutted, and it FEELS like it pulls harder, but the only real piece of boolean data I had was the chirp. Now its gone.
I am sad . . . .
:bash
 

G Winter

Well-known member
Joined
Aug 21, 2004
Messages
2,177
Location
NW Iowa
Corvette
1990 red convert 6 sp
For some reason when you reduce the exhaust back pressure on the L98 engine you lose bottom end torque. You usually gain some upper end.

Glenn
:w
 

terrykrueger

Well-known member
Joined
Sep 12, 2003
Messages
54
Location
MKE
Corvette
1987 Not a Sh*tbox anymore
Gracias - that actually makes sense and fits in with the 'feel' - it was pretty cool showing how the rear end broke loose in second gear though - I sure will miss it
 

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