Subject	What I've understood:
Posted by	BlackholeZ on July 27, 2012 at 12:47 PM
	This message has been viewed 295 times.
In Reply To	good to know since i have ash smic piping and that spacer posted by fst300zx on July 27, 2012 at 11:59 AM
Message	When the engine is making big power like many are now, the wastegate outlet is too restrictive with the block in place. This forces exhaust to go through the turbine when it should be going out the wastegate. This causes the boost to go higher than intended. It is not a case of an improper design, it's just that when the 3" expansion downpipes were designed, this was not an issue. Sounds like it's time for some new SZ mega downpipes! -Dan BlackholeZ VTC Solenoid Caps Installation Procedure "Capitalization is the difference between helping your Uncle Jack off a horse, and helping your uncle jack off a horse." "'she' also likes to swap since I think I am going to need to give her to woody again." - Dvlhntr "full alphabetic boost mode" - ChristopherTheOne "Two oil eating, angry, spinning triangles of death." - turtleboy on rotary engines "You're the Skrillex of Z32s." BradX (UF)
Follow Ups	Just dropped off my TT at the shop to get all of my upgrades - SpeedyZX 23:25:45 07/26/12 you wont pass smog with those either - moxie (SF) 23:49:59 07/26/12 The trick is to just heat the cats up... just drive 120 mph - SpeedyZX 23:55:47 07/26/12 Pull the timing back to 13 degrees on High Flow cars (n/m) - Bernie (NoVA) 02:35:08 07/27/12 I passed with them, not easily, but it passed (n/m) - Brad(RI) 08:05:04 07/27/12 I have installed two sets of 3" expansion down pipes.... - pieboy100 10:19:43 07/27/12 yeah, I failed due to my downpipes - moxie (SF) 11:54:00 07/27/12 Can't wait to see everything installed. What shop are you - Polish 00:35:46 07/27/12 It will be done by John at Exact Motorsports in Milpitas, CA (n/m) - SpeedyZX 01:57:51 07/27/12 John is awesome (n/m) - jzx 13:43:59 07/27/12 but the specialtyZ 3 inch downpipes are all like KA-KOW! (n/m) - BlackholeZ 00:52:13 07/27/12 They look similar to my 3" magnaflow cats. They passed. - evan_aggie 08:30:38 07/27/12 Lots of bling bling going on there - RobZ32 09:58:22 07/27/12 what are you talking about "spacers" on teh downpipe? (n/m) - blackomega 10:58:14 07/27/12 Re: what are you talking about "spacers" on teh downpipe? - RobZ32 11:11:02 07/27/12 Yeah, what he said. ;-) (n/m) - SpeedyZX 11:22:49 07/27/12 good to know since i have ash smic piping and that spacer - fst300zx 11:59:49 07/27/12 I have Ash piping but not planar intake... should I remove? (n/m) - blackomega 12:05:40 07/27/12 Just pick up the phone and talk to Greg or Seb. - SpeedyZX 12:54:55 07/27/12 This is the information that Seb sent me - SpeedyZX 16:15:33 07/27/12 I wonder, what is the threshold that this event takes place (n/m) - blackomega 16:48:19 07/27/12 What I've understood: - BlackholeZ 12:47:29 07/27/12 Agreed, and arent split downpipes useless with an EBC anyway - MrOzzie5183 13:06:50 07/27/12 +1 for mega DPs (n/m) - blackomega 13:12:58 07/27/12 Correction: "Bellmouth Mega SZ Downpipes" Time! (n/m) - ZinnZ32 13:25:59 07/27/12 holy scott-sized - jzx 13:45:54 07/27/12
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