Subject	This is debatable
Posted by	-Grimm- on December 27, 2013 at 4:50 PM
	This message has been viewed 279 times.
In Reply To	You may find that super smooth runners are not a good posted by Bernie (NoVA) on December 27, 2013 at 03:06 PM
Message	Although I think it would be worthwhile to dig up some back to back comparisons. From what I recall in school the turbulence was beneficial to keep the fuel atomized/suspended in the air on its path to the cylinder. If that holds true, the lower manifold should be left alone (or a minor transition area smoothed) and the upper plenum ported for optimum performance. ------------------------------------------------------------------ 1992 300ZX NA 5 Sp (Dead) 1990 300ZX NA Auto 2+2 (Dead) 1990 300ZX TT 5 Sp (Building) 2004 G35 Sport 6MT (DD)
Follow Ups	Polishing inside of intake runners Q&A - 280ZuL8r 11:19:43 12/27/13 Extrude honing (n/m) - -Grimm- 12:32:24 12/27/13 General consensus is that it isn't worth the time and work.. - ZinnZ32 12:44:58 12/27/13 Are your heads ported? - Turbodog (CT) 13:11:03 12/27/13 Correct, gasket matching is definitely easy and worth it. (n/m) - ZinnZ32 13:24:37 12/27/13 You may find that super smooth runners are not a good - Bernie (NoVA) 15:06:06 12/27/13 This is debatable - -Grimm- 16:50:21 12/27/13 Agree with the Grimmster. This is likely more applicable - ZXoltan 17:19:40 12/27/13 Agree with others, turbo'd cars don't get much benefit. - whitepearl 19:40:58 12/27/13 We're only talking about texture, not size ;-) (n/m) - ZXoltan 19:55:33 12/27/13 agree (n/m) - aliaZ 17:42:33 12/27/13 We always left the sand cast as it was manufactured>> - ZUL8TR 09:41:40 12/29/13 As a data point, - Broke_as_**** 13:06:22 12/29/13 I'm going to give this a try on my next plenum run. Thanks (n/m) - 280ZuL8r 23:07:50 12/29/13 Tornado intake!! - Agent X 17:39:21 12/27/13 Hardcore Z porn running a 12" extension down 6 intake holes! (n/m) - 280ZuL8r 18:55:07 12/27/13
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