Are you kidding? you want maximum boost and as soon as possible at all times!! It is quite easy when driving to keep it off boost and I think you will be surprised how much the turbo helps out the engine even below the boost threshold.
----- Original Message ----- From: Daniel Kroehn <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, January 22, 2002 5:31 PM Subject: Re: Exhaust sizes (HELP)+(Electronic boost control) > Hey guys, I got my wolf 3D on friday and noticed it has full electronic > boost control, mappable every 125rpm................sweet. Anyway I > definietly intend to use this serious function to its full and was wondering > if you have any tips for mapping the turbo to drive like an everyday car in > the low load, light throttle regions and then turn it into an angry mother > of a beast in the high rpm/high load regions. I intend to run up to 14 psi > of boost at the moment. Can you recommend a suitable PMW solenoid to run the > wastegate bleed? > > Cheers, sorry for all the questions > > Daniel Kroehn > > ----- Original Message ----- > From: "LIEBIG, Peter" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Tuesday, January 22, 2002 10:16 AM > Subject: RE: Exhaust sizes (HELP) > > > > Andrew, > > > > Ahh, the people you run into on the Ozdat list eh! > > > > GT25 is going well. I was a bit disappointed at first, because the boost > was > > still dropping off high in the rev range - the main reason I wanted to > > upgrade, but once I got the right WG actuator it was better. I was using > the > > old T25G actuator, but the GT25's should have a much larger actuator. > > > > I tried an Electronic Boost Controller out awhile ago and it really was > the > > turning point. It proved that my turbo setup is capable of supplying as > much > > boost as I want all the way to redline. The boost is there - it's just a > > matter of controlling it properly! It made a huge difference. Very happy. > > Pity they are all so expensive! > > > > How's the 1200 going? Got a T4 on it yet? :-) > > > > PL > > > > > > -----Original Message----- > > From: Andrew Denniss [mailto:[EMAIL PROTECTED]] > > Sent: Friday, 18 January 2002 19:47 > > To: [EMAIL PROTECTED] > > Subject: Re: Exhaust sizes (HELP) > > > > Hi pete long time no hear hows the gt25 going?? > > cheers andrew > > > > "LIEBIG, Peter" wrote: > > > > > Hi Daniel, > > > > > > Yeah, I thought I'd come back and see how the list is going! I was > > > subscribed on my home address before and it was getting a bit much. This > > > time I've tried doing it at work, so we'll see how it goes. Between the > > > Srtransplants list and this one I'm afraid my email volume may be > getting > > a > > > bit high! > > > > > > I'm currently not running a cat (smack smack!), but when I do I guess it > > > will be in the usual place just after the dump pipe. > > > > > > The best dump pipe dia is generally 3". That's pretty much the biggest > > > you'll fit without hassles. I've made a few now and I'm considering > making > > a > > > batch for sale to suit SR's into 1600's. I'll send you a photo of one. > > I've > > > seen a lot of "professional" dump pipes and I've decided that it > wouldn't > > be > > > too hard to improve on them myself! > > > > > > PL > > > > > > -----Original Message----- > > > From: Daniel Kroehn [mailto:[EMAIL PROTECTED]] > > > Sent: Wednesday, 16 January 2002 18:57 > > > To: [EMAIL PROTECTED] > > > Subject: Re: Exhaust sizes (HELP) > > > > > > HOLY SHIT, > > > > > > where did you come from Pete, I thought you'd left the list forever? > > > Anyway, thanks for the advice. The muffler I have coming has a 2.25 > inlet > > > and 4 inch outlet. So I'm still undecided what size to go from the > > > crossmember back. Up until the crossmember I'm going to use 3 inch for > > > sure. Where did you mount your cat? The other question I have is what > > size > > > dump pipe to use? I want to seperate the internal wastegate gases from > > the > > > turbine gases and join them together after the dump pipe exits the > engine > > > bay. The turbine itself is only about 2.25" in diameter so should I use > a > > > 2.25" - 3" reducer/expander and build a 3 inch dumpy with a 1.25" > seperate > > > wastegate pipe? > > > > > > Cheers > > > > > > Daniel Kroehn > > > ----- Original Message ----- > > > From: "LIEBIG, Peter" <[EMAIL PROTECTED]> > > > To: <[EMAIL PROTECTED]> > > > Sent: Wednesday, January 16, 2002 3:15 PM > > > Subject: RE: Exhaust sizes (HELP) > > > > > > > Daniel, > > > > > > > > I'm with Geordie - 3" up front with 2 1/2" down back is a good > > compromise. > > > > Easier to silence too. And if it's on a 1600 it's heaps easier to get > it > > > > through the rear crossmember. > > > > > > > > I'm running that setup with my SR20 and at 14psi boost the exhaust > > > > backpressure never exceeds 3 psi. > > > > > > > > PL > > > > > > > > > > > > -----Original Message----- > > > > From: Geordie Smith [mailto:[EMAIL PROTECTED]] > > > > Sent: Tuesday, 15 January 2002 15:13 > > > > To: [EMAIL PROTECTED] > > > > Subject: RE: Exhaust sizes (HELP) > > > > Importance: High > > > > > > > > > > > > 2.5" is generally a lot cheaper and in my opinion there is not a lot > of > > > > benefit to the expense of going to a 3" system. > > > > If you want the best of both worlds, you can go for 3" off the turbo > and > > > go > > > > down to 2.5" further back as the gas is cooler and will condense > > slightly. > > > > > > > > -----Original Message----- > > > > From: [EMAIL PROTECTED] > > > > [mailto:[EMAIL PROTECTED]]On Behalf Of Daniel > Kroehn > > > > Sent: Sunday, 13 January 2002 8:36 PM > > > > To: [EMAIL PROTECTED] > > > > Subject: Exhaust sizes (HELP) > > > > > > > > > > > > List, > > > > > > > > heres a question for all you switched on turbo boys. Following > > > traditional > > > > lines for an exhaust, I was going to get a 3 inch system for my turbo > > > > project. However after reading "maximum boost" by corky bell, it > seems > > > that > > > > he reckons that for the approximate engine power output of my engine, > I > > > > should use a 2.5 inch system. The book also states that for a turbo > > setup > > > > the least exhaust is the best? I'm very confused by now. Anyway back > > to > > > > the 2.5 inch set-up, this size comes from a few calculations to do > with > > > > exhaust gas velocities. He recommends that the exhaust gases > shouldn't > > > > exceed ~450 feet per second, and thus a 3 inch system would be capable > > of > > > > much more than that, so no good? > > > > There's a bit more in the book but at this stage I've just become > > totally > > > > confused. > > > > > > > > Eagerly awaiting some opinions.................. > > > > > > > > Daniel Kroehn > > > > > > > > > > > > --membersozdat------------------------------------------------------- > > > > OZDAT Mailing List Please Note:- > > > > Send (un)subscribe requests to [EMAIL PROTECTED] > > > > Send submissions to [EMAIL PROTECTED] > > > > No unauthorised redistribution of this email > > > > http://www.ozdat.com/ozdatonline/index.htm > > > > http://www.ozdat.com/ozdatonline/listindex.html > > > > http://www.mail-archive.com/[email protected]/ > > > > --------------------------------------------------------------------- > > > > > > > > > > > > --membersozdat------------------------------------------------------- > > > > OZDAT Mailing List Please Note:- > > > > Send (un)subscribe requests to [EMAIL PROTECTED] > > > > Send submissions to [EMAIL PROTECTED] > > > > No unauthorised redistribution of this email > > > > http://www.ozdat.com/ozdatonline/index.htm > > > > http://www.ozdat.com/ozdatonline/listindex.html > > > > http://www.mail-archive.com/[email protected]/ > > > > --------------------------------------------------------------------- > > > > > > > > > > > > > --membersozdat------------------------------------------------------- OZDAT Mailing List Please Note:- Send (un)subscribe requests to [EMAIL PROTECTED] Send submissions to [EMAIL PROTECTED] No unauthorised redistribution of this email http://www.ozdat.com/ozdatonline/index.htm http://www.ozdat.com/ozdatonline/listindex.html http://www.mail-archive.com/[email protected]/ ---------------------------------------------------------------------
