Hello Zac, Yeah, that hydraulic system is the one I was talking about, I wasnt sure wether it was mercedes or BMW. That would be just awesome to be able to have a perfect mild profile at idle, and a mental profile at peak revs.
Wednesday, March 20, 2002, 11:38:47 PM, you wrote: ZC> I think you are forgetting variable valve lift. vvl and vvt are different. ZC> vvl will be more important on the future. VVL is what features on engines ZC> such as the SR20VE and allows it to make 200hp naturally aspirated. ZC> BMW have made an engine with hydraulic valves which allow infinitely ZC> adjustable valve lift and timing but it isn't ready for production yet (to ZC> the best of my knowledge). ZC> zac ZC> ----- Original Message ----- ZC> From: Bob <[EMAIL PROTECTED]> ZC> To: <[EMAIL PROTECTED]> ZC> Sent: Wednesday, March 20, 2002 10:34 PM ZC> Subject: Re[4]: SR questions >> Hello Terry, >> >> The next evolution of the variable valve timing systems used on modern >> cars is using solenoid driven valves - using a microprocessor to >> control valve opening and closing means that the cam profile can be >> tailored exactly to the engines requirements at every load point in >> the map. Apparently the current draw is a big problem in these >> systems, but last I heard Mercedes were playing with a hydraulic >> version. >> >> Wednesday, March 20, 2002, 10:08:08 PM, you wrote: >> >> TR> Leighton, >> >> TR> The trick is the valve timing is tuneable across a broad rev range. I >> TR> digress a bit but look at the advancement of EFI over a carbie. A ZC> component >> TR> that's got to operate inside a 0-7000 rpm rev range at it's static >> TR> adjustment is a marvel in itself i.e. a carbie and that's why a Weber ZC> for >> TR> example is so hard to set up in the first place. Add optimum ZC> adjustability >> TR> to this item and you've got huge power gains and smooth driveability ZC> which >> TR> Mr Joe Average wants in his road car. I think from memory the biggest >> TR> increase of a non VVT engine to VVT is the H*nda S2000 which it pains ZC> me to >> TR> say but it is a true legendary engine. Honda had the benefit of F1 ZC> engine >> TR> technology and some nice things find their way down to the road cars. ZC> It's a >> TR> pity Nissan/Toy etc didn't give this technology the R&D it deserved. ZC> It was >> TR> boohooed by GM & Ford in the 80's when the H*ndah boys started to play ZC> with >> TR> this in an attempt to beat Ferrari on the F1 circuits. >> >> TR> regards >> TR> Terry >> >> TR> -----Original Message----- >> TR> From: [EMAIL PROTECTED] >> TR> [mailto:[EMAIL PROTECTED]]On Behalf Of Leighton >> TR> Sent: Wednesday, 20 March 2002 9:35 PM >> TR> To: [EMAIL PROTECTED] >> TR> Subject: Re: Re[2]: SR questions >> >> >> TR> and this is a great advantage when chasing power?? >> >> >> TR> Thanx >> >> TR> Leighton >> TR> ----- Original Message ----- >> TR> From: "Bob" <[EMAIL PROTECTED]> >> TR> To: <[EMAIL PROTECTED]> >> TR> Sent: Wednesday, March 20, 2002 8:16 PM >> TR> Subject: Re[2]: SR questions >> >> >> >> Hello Leighton, >> >> >> >> You know how you can buy adjustable cam gears to advance or retard >> >> your cam to shift the power band up and down? On SRs and a heap of >> >> other motors they have a cam gear that can be adjusted as the motor is >> >> running, so that when it is revving low they shift the power band >> >> down, and when it is revving high they shift the band up. >> >> >> >> Wednesday, March 20, 2002, 7:42:23 PM, you wrote: >> >> >> >> L> what does it mean when it says that the SR's have variable valve >> TR> timing????? >> >> >> >> L> thanx >> >> >> >> >> >> L> Leighton >> >> >> >> >> >> >> >> >> >> >> >> L> ----- Original Message ----- >> >> L> From: Mr-Freeze >> >> L> To: [EMAIL PROTECTED] >> >> L> Sent: Wednesday, March 20, 2002 4:42 PM >> >> L> Subject: Re: SR questions >> >> >> >> >> >> L> who said DE's don't have oil squirters??? >> >> L> ----- Original Message ----- >> >> L> From: Leighton >> >> L> To: [EMAIL PROTECTED] >> >> L> Sent: Wednesday, March 20, 2002 4:10 PM >> >> L> Subject: SR questions >> >> >> >> >> >> L> Just a question and i would like you all to take me seriously?? >> >> >> >> L> what are the base differences between the SR20det and the SR20DE >> TR> are the blocks different? are the heads different? is the valvetrain >> TR> different?? i know the DE doesnt have oil squirters but >> >> L> are they a difficult aquisition??? >> >> >> >> L> pistons rods crank are there any differences??? >> >> >> >> L> i would not think there would be because of people supercharging >> TR> the DE's >> >> >> >> L> Now before youal say "why bother, just get a DET" just please >> TR> humour me - lets just say im craving the knowledge >> >> >> >> L> Thanx >> >> >> >> L> Leighton >> >> L> ----- Original Message ----- >> >> L> From: Duncan Shillito >> >> L> To: [EMAIL PROTECTED] >> >> L> Sent: Tuesday, March 19, 2002 6:12 PM >> >> L> Subject: Re: webber questions >> >> >> >> >> >> L> for the trumpets - go to any repco etc. shop and ask fot their >> TR> REDLINE catalogue and order the part - simple. they also sell ZC> manifolds, >> TR> high flow filters and all sorts of 'old school' go >> >> L> fast parts. >> >> >> >> >> >> >> >> L> dunc. >> >> >> >> >> >> >> >> L> >From: "Ryan Ottens" >> >> L> >Reply-To: [EMAIL PROTECTED] >> >> L> >To: [EMAIL PROTECTED] >> >> L> >Subject: Re: webber questions >> >> L> >Date: Mon, 18 Mar 2002 15:36:22 +1030 >> >> L> > >> >> L> > >> >> L> >im pretty sure autosport here in adelaide on magill road sell >> TR> them. >> >> L> >at around $30-40 EACH >> >> L> > >> >> L> > >> >> L> >>From: "Craig Coffey" >> >> L> >>Reply-To: [EMAIL PROTECTED] >> >> L> >>To: >> >> L> >>Subject: Re: webber questions >> >> L> >>Date: Mon, 18 Mar 2002 07:40:31 +1200 >> >> L> >> >> >> L> >>I don't know where in oz you'd get 'im, but they're called >> TR> velocity >> >> L> >>stacks >> >> L> >> >> >> L> >> >> >> L> >> Craig >> >> L> >> >> >> L> >>----- Original Message ----- >> >> L> >>From: "Leighton" >> >> L> >>To: >> >> L> >>Sent: Saturday, March 16, 2002 9:26 PM >> >> L> >>Subject: webber questions >> >> L> >> >> >> L> >> >> >> L> >> > Where can i get those trummpet looking things to stick on ZC> th >> >> L> >>side of my >> >> L> >> > dellorto's?? >> >> L> >> > >> >> L> >> > i dont even know what they are called >> >> L> >> > >> >> L> >> > can any one help me with some info of what they do and ZC> how >> TR> they >> >> L> >>aid >> >> L> >> > performance?? >> >> L> >> > >> >> L> >> > >> >> L> >> > thanx heaps >> >> L> >> > >> >> L> >> > Leighton >> >> L> >> > >> >> L> >> > >> >> L> >> >> >> L> > >> >> L> > >> >> L> > >> >> L> > >> >> L> >> >>_________________________________________________________________ >> >> L> >Chat with friends online, try MSN Messenger: >> >> L> >http://messenger.msn.com >> >> L> > >> >> L> >> >>--membersozdat------------------------------------------------------- >> >> L> >OZDAT Mailing List Please Note:- >> >> L> >Send (un)subscribe requests to [EMAIL PROTECTED] >> >> L> >Send submissions to [EMAIL PROTECTED] >> >> L> >No unauthorised redistribution of this email >> >> L> >http://www.ozdat.com/ozdatonline/index.htm >> >> L> >http://www.ozdat.com/ozdatonline/listindex.html >> >> L> >http://www.mail-archive.com/[email protected]/ >> >> L> >> >>--------------------------------------------------------------------- >> >> >> >> >> >> >> L>>> ------------------------------------------------------------------------ ZC> - >> TR> - >> >> L> Send and receive Hotmail on your mobile device: Click Here >> >> >> >> >> ZC> --membersozdat------------------------------------------------------- >> >> L> OZDAT Mailing List Please Note:- >> >> L> Send (un)subscribe requests to [EMAIL PROTECTED] >> >> L> Send submissions to [EMAIL PROTECTED] >> >> L> No unauthorised redistribution of this email >> >> L> http://www.ozdat.com/ozdatonline/index.htm >> >> L> http://www.ozdat.com/ozdatonline/listindex.html >> >> L> http://www.mail-archive.com/[email protected]/ >> >> >> ZC> --------------------------------------------------------------------- >> >> >> >> >> ZC> --membersozdat------------------------------------------------------- >> >> L> OZDAT Mailing List Please Note:- >> >> L> Send (un)subscribe requests to [EMAIL PROTECTED] >> >> L> Send submissions to [EMAIL PROTECTED] >> >> L> No unauthorised redistribution of this email >> >> L> http://www.ozdat.com/ozdatonline/index.htm >> >> L> http://www.ozdat.com/ozdatonline/listindex.html >> >> L> http://www.mail-archive.com/[email protected]/ >> >> >> ZC> --------------------------------------------------------------------- >> >> >> >> ZC> --membersozdat------------------------------------------------------- >> >> L> OZDAT Mailing List Please Note:- >> >> L> Send (un)subscribe requests to [EMAIL PROTECTED] >> >> L> Send submissions to [EMAIL PROTECTED] >> >> L> No unauthorised redistribution of this email >> >> L> http://www.ozdat.com/ozdatonline/index.htm >> >> L> http://www.ozdat.com/ozdatonline/listindex.html >> >> L> http://www.mail-archive.com/[email protected]/ >> >> ZC> --------------------------------------------------------------------- >> >> >> >> >> >> >> >> >> >> -- >> >> Best regards, >> >> Bob mailto:[EMAIL PROTECTED] >> >> >> >> >> >> >> >> >> >> -- >> Best regards, >> Bob mailto:[EMAIL PROTECTED] >> >> -- Best regards, Bob mailto:[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]/ ---------------------------------------------------------------------
