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Discussion Starter · #1 ·
Well this Friday should be good. I will be getting the following mods.

Diablo Preditor
Flow Master cat back( I know it does not make the most power I like the sound.)
Steeda CAI
RR 2.80 Pulley.

Now for the question part. What size belt should I use assuming I am not using idlers. I have seen many opinions and am a little confused. I have seen 73.5 ,74, and 74.5 recomended. Some people say the 73.5 will put to much pressure on the blower snout. Is this true if you are not running idlers? Also with this set up what should I gap my TR-6's at?
Thanks.:blob I am kind of excited.
 

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The 73.5 will be good for you without the idlers. With the idlers(3) I went with a 74" belt. What tune are you getting with the Predator? Where is it coming from? Good luck with the install. Flowmasters, while not a big power producer, sound awesome on these cars.....
 

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Discussion Starter · #3 ·
I am getting the Preditor from Runninwiththedevil.com. He is selling them on this thread. It comes with two tunes. One for a non-pullied Cobra and one for a Cobra with a 2.8 to 3.1 pulley. Plus I plan on putting it on a dyno and fine tune it with the Diablo.
 
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