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Discussion Starter · #1 ·
I am Installing a pyrometer(EGT) with my SDS. I am Installing a GTS upper intake manifold and the Ripp New design headers. to my understanding Ripp slightly legthened the #4 pipe to help counter the lean condition with the standard GT intake manifold. My question is what is the best Cyl to tap for the EGT useing this setup?
 

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Discussion Starter · #3 ·
Really, Even with the even length runners and longer #4 tube? I would think that #4 would run a little richer due to the headers design. I could be wrong but thats what i'm trying to find out. :confused:
 

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New daddy
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You have made changes to your car, so of course no one is going to know for sure. However, cylinder #4 is known to chip first with other setups. This is where I put mine.

 

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Kampfbereit
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Cylinder #4 and #3 are the cylinders that run the leanest and prone to detonation simply because of the uneven runners in our intake plenums.

Tap on the tube of Cylinder #4 for now, but once you get a Diamante or a GTS plenum, that becomes less of an issue.
 
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