"stage Ii Exhaust Port"
05-06-2004, 09:25 PM
#1
Senior Member
Thread Starter
Join Date: Jun 2003
Location: San Antonio TX/Okinawa Japan
Posts: 208
Building another motor with secondary bridge, here are the exhaust ports. These ports are considered a stage II here in Japan. The stage III ports go up to 112mm and down 67mm.
chuck
chuck
05-06-2004, 10:56 PM
#7
Senior Member
Join Date: Dec 2003
Location: Minneapolis,MN
Posts: 500
Exactly, I seen lots of folks sayin how we here in the US do small exhast. I would think the consensus is becuse we like our low end power. But, I have never seen a dyno on a port that big. Just stating an educated guess on that big of an exhast port.
05-07-2004, 01:32 AM
#10
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Thread Starter
Join Date: Jun 2003
Location: San Antonio TX/Okinawa Japan
Posts: 208
Yokota is 2-3 hour from Tokyo.
Ted, stock turboII sleeves.
The con of big ports is no low end power, from what they say. I think the gain at the top end makes up for it though. My current "stage 1" exhaust port is almost ready to go back to the dyno, about 75-80% tuned now. Looking at 2 weeks to get some more numbers. Every time I turn around here I see huge exhaust ports from the local tuning shops. This is why I am going to give it a try. Stepping out of the box as they may say.
chuck
Ted, stock turboII sleeves.
The con of big ports is no low end power, from what they say. I think the gain at the top end makes up for it though. My current "stage 1" exhaust port is almost ready to go back to the dyno, about 75-80% tuned now. Looking at 2 weeks to get some more numbers. Every time I turn around here I see huge exhaust ports from the local tuning shops. This is why I am going to give it a try. Stepping out of the box as they may say.
chuck