Quote:
Originally Posted by sponaugle
Clearly my cat had clogged up somehow. I have a single cat downpipe right now (had 2 cats originally). I pulled the downpipe off and sure enough the cat was broken and floating around, as well as a bit melted. I pulled the cat material out and put the pipe back on. Here is a quick 4th gear pull:
As you can see compared to my previous graphs, spoolup is a bit better now. With my agressive AVCS maps, I can get this GT3076R (.63) at 15 lbs just before 3000 rpm, and I touch 20psi at 3462rpm. As far as I have seen that is one of the faster rotated Garrett 3076R spoolup setups.
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Jeff, on your original 92 OCT tune (Results: 391 lb-ft, 378whp @ 22psi) how much power would you have gained by going catless? How much faster does it spool now that you are catless and can you really feel it on the street?