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Converting to dual cats

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Old Sep 14, 2012 | 12:15 PM
  #1  
actarnoff's Avatar
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From: Los Angeles
Car: 1991 RS/B4C clone
Engine: 355 TPI
Transmission: Probuilt Street/Strip 700r4
Axle/Gears: 7.625 axle with 3.23 gears/TrueTrac
Converting to dual cats

I'm going to swap my L03 for an L98 soon and I intend on using Dyno Don headers and his dual cat y pipe. The only question I have is how do I feed BOTH cats air? Did the dual cat cats come with two pipes exiting the pump or did they just T it off and feed both off of one?
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Old Sep 14, 2012 | 01:33 PM
  #2  
robguitargod1's Avatar
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From: Niles, IL
Car: '91 LS6/T56/9"
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Re: Converting to dual cats

Originally Posted by actarnoff
I'm going to swap my L03 for an L98 soon and I intend on using Dyno Don headers and his dual cat y pipe. The only question I have is how do I feed BOTH cats air? Did the dual cat cats come with two pipes exiting the pump or did they just T it off and feed both off of one?
On my '89 L98 Formula 350, 1 feed comes from the engine to the cats where it splits off into 2. One feeding each cat.
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Old Sep 14, 2012 | 03:05 PM
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Re: Converting to dual cats

.....WHY......waste of money....no cats....
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