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Originally Posted by steve00s
. By the way, not much difference in power.
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That's surprising. Though it would've been nice to have the actual difference quantified. I have a gtech-pro if you'd like to do it
Hit me with a PM if you want.
I was pretty sure the nasty looking 986 oem header hobbled the 3.2. The 2.7 has the more commom log type header (like 996) where number 1 and 3 aren't fighting each other. Looks smoother, and 2.7 pumps out more hp/liter. It's hard to tell with the shield, but 987 has a similar header which appears to have 1 merged with 2, then to 3, and merging looks more radiused, also the tubing is consistent diameter, whereas 986 has funky crimping at the joints. 987 has considerabley more power with same 3.2, albiet a slightly higher .3 CR and camming. But it can't be all that. Here's the 987 header
986 with a properly tuned header would bump up power by ~15 hp??
I wouldn't think that the sound would change so drastically, bummer. I really do like the sound of the box.