I will do headers down the road. My question is, how am I hitting 9-10 psi with stock pulley when everything I have read says 7-8 psi on stock pulley. Does this mean that I will be in the 12 psi range with my 3.5 pulley?
fubar: where in PA?
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08-18-2011
I will do headers down the road. My question is, how am I hitting 9-10 psi with stock pulley when everything I have read says 7-8 psi on stock pulley. Does this mean that I will be in the 12 psi range with my 3.5 pulley?
fubar: where in PA?
08-18-2011
Air density is what it comes down to.
If you are at 4,000 ft you are not going to see the same numbers as sea level. Sure it's possible to see 9-10psi on a stock pulley. It's not common this time of year, it's possible though.
Is it possible that your new gauge isn't super accurate, sure.
08-18-2011
do them now. i got mine for 198.xx shipped to my door with saturday delivery.Originally Posted by 97PAGTP
Bradford. I'm about 2hrs away from you. you don't happen to have a pulley puller do you? lol. i need to get the MPS hub on my Park Ave.
FWIW i am seeing the MAP read 6.5psi at the shift on a 3.8" in my car after the headers. no cat. 3" to 2.5" res delete. stock Y section. modded stock mufflers.
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