Subject	Internal porting does yield some minor gains, but
Posted by	Milo (Sport Z Magazine) on October 03, 2003 at 10:21 AM
	This message has been viewed 263 times.
In Reply To	Are there any advantages to doing this other than looks? posted by JustinChien on October 03, 2003 at 01:19 AM
Message	the bulk of manifold porting is done in the lower plenum. That is where the craftsmanship and time invested pays off in HP #'s. It's a minor payoff on the charts, but it's throughout the powerband which is nice. I plan on doing a dyno test eventually to show the difference.
Follow Ups	How to polish your plenum- The basics 101 - Milo (Sport Z Magazine) 23:46:25 10/02/03 Where the hell were you two f-ing days ago!! huh?!?! - Zeus 23:49:22 10/02/03 Actually, I posted it for you & a few others. Honestly. - Milo (Sport Z Magazine) 23:51:32 10/02/03 done and done =) (n/m) - Zeus 23:53:31 10/02/03 Thanx for the writeup... - Sportzcoop 23:50:49 10/02/03 Haha (n/m) - Malukalu99 23:53:31 10/02/03 It's not that it's all that hard it's just that it---> - Milo (Sport Z Magazine) 23:54:31 10/02/03 2nd (n/m) - Technomancer 09:06:45 10/03/03 awesome write up - i have to do this on my koyo!! - Wagz 23:52:41 10/02/03 Cool, it'll look good. I plan on giving you some "chrome" - Milo (Sport Z Magazine) 23:59:35 10/02/03 :) i have no doubts! (n/m) - Wagz 00:00:36 10/03/03 Question. Can't a shop just chrome the existing plenum? (n/m) - Malukalu99 23:53:09 10/02/03 Yes, but the cast being very rough and uneven (in - Milo (Sport Z Magazine) 23:57:21 10/02/03 only a very very good shop should do a plenum imho> - Wagz 23:59:56 10/02/03 K. (n/m) - Malukalu99 00:13:11 10/03/03 Very nice writeup...thanks (n/m) - TTZMatt 23:54:16 10/02/03 VTF..Good right up now all I need is an xtra plenum, cuz - 1_sick_Z 00:04:44 10/03/03 VTF (n/m) - Got Z? 00:11:11 10/03/03 VTFAQ nice write-up (n/m) - felixx23 (DFW) 00:25:32 10/03/03 VTF also. (n/m) - BooZTT (Hawaii) 00:26:44 10/03/03 VTF (n/m) - Wagz 01:09:57 10/03/03 Are there any advantages to doing this other than looks? - JustinChien 01:19:04 10/03/03 Internal porting does yield some minor gains, but - Milo (Sport Z Magazine) 10:21:44 10/03/03 polishingoutside=less surface area=less heat dissipation (n/m) - Janders 11:04:16 10/03/03 which direction is the heat flowing? - aliaZ 12:02:06 10/03/03 Depends on your engine bay heat - Janders 20:11:20 10/03/03 btw- by 'conduct' I meant transfer to air (n/m) - Janders 20:12:28 10/03/03 ok...but - aliaZ 21:59:47 10/03/03 heat transfered up from the block up through the plenum - Janders 22:11:37 10/03/03 PLEASE Re-Vote to FAQ (had to move to Technical to do it) (n/m) - SeedyROM 01:48:08 10/03/03 you are the man!!! (n/m) - RaBBiZ(philly) 07:22:26 10/03/03 Don't forget to wear breathing masks, you don't want that Al - NC-Z (Grad. in May) 08:11:21 10/03/03 VTF nice....... (n/m) - Southern_Z [NSkyGTRv] 11:08:30 10/03/03
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