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Old 12/02/2008, 11:31 AM   #1
joedls
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MSD 2 step & cats

I've launched my car ~10-12 times with the 2 step. I started getting worried after reading on several boards that the 2 steps were ruining the cats, so I purchased an off-road X-pipe. I took the car over to RET today to have them install the X-pipe and give me a 100 octane tune. I just got a call from Greg, saying that it's a good thing we removed the cats because they were already clogged.

So just an FYI, if you run a 2 step, don't run cats.

Last edited by joedls; 12/02/2008 at 08:17 PM..

Joe

HP numbers are good and all, but they're like asking someone how much they can bench. What difference does it make, if I can still kick your ass.
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Old 12/02/2008, 07:48 PM   #2
robert campbell
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ok, I am old and challanged. What is a MSD 2 step?

Rob
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Old 12/02/2008, 08:16 PM   #3
joedls
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It's a 2 step rev limiter made by MSD. This is from their website:

"This 2-Step connects right to your late model Ford to produce consistent launches and quicker 60-foot times by setting an rpm limit to stage with. When activated, the rpm will be held at a steady rpm and once the green light comes on, release the clutch and take off - but be sure to hold on! The rpm is adjusted with two built-in rotary dials ranging from 1,800 - 9,900 rpm in 100 rpm increments. A handy LED shows when the launch rev limit is active."

Joe

HP numbers are good and all, but they're like asking someone how much they can bench. What difference does it make, if I can still kick your ass.
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Old 12/02/2008, 08:31 PM   #4
GTCS07
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Interesting. Were you running stock cats?
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Old 12/02/2008, 09:01 PM   #5
joedls
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Quote:
Originally Posted by GTCS07 View Post
Interesting. Were you running stock cats?
Yes, they were.

Joe

HP numbers are good and all, but they're like asking someone how much they can bench. What difference does it make, if I can still kick your ass.
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