Does the slope/shape of the Torque curve of an engine match the timing curve ?

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[Poll] Does the slope/shape of the Torque curve of an engine match the timing curve ? Yes   0% (0) No   0% (0) Until the boost builds up   0% (0) Until the Nos is fired   0% (0) Until the Leaf Blower is fired up   0% (0) Roughly   0% (0) What are you smoking   0% (0) Not sure what you are talking about   100% (1) Total Votes : 1 (last vote on : 5/20/2006 6:27:03 AM) (Poll will run till: -- ) Login Message << Older Topic   Newer Topic >>

Does the slope/shape of the Torque curve of an engine m... - 5/20/2006 5:44:31 AM    smokingwheels   Posts: 2 Joined: 5/19/2006 Status: offline I have ported a few engines now. I am still trying the build an engine that fires ATDC@wide open throttle. Go on laugh but i had one in 2002 and I disposed of it, The timing was all wrong, killed all the bigends, But never melted the pistons. Have some data from this engine though. Ive found a way to port an engine So that has Very little or no air resistance, on the induction system. Thumbnail Image Attachment (1) Post #: 1

RE: Does the slope/shape of the Torque curve of an engi... - 5/20/2006 6:28:11 AM    NeoZophar Posts: 9 Joined: 11/11/2005 Status: offline If I read well the top rpm is 7500? _____________________________ 2006 Mitsubishi Lancer RALLI////ART (in reply to smokingwheels) Post #: 2

RE: Does the slope/shape of the Torque curve of an engi... - 5/20/2006 8:52:15 AM    smokingwheels   Posts: 2 Joined: 5/19/2006 Status: offline The graph shows it stops advancing the timing @7500 revs, so if my engine was highly modified I could push it up to 10k or higher, the fastest ive run the ported stocker it is 7k, with my notebook system fitted, a std notebook not as compack as a black box but more flexible. some pics of what ive been doing www.smokingwheels.myphotoalbum.com so I am saying is.... Most engines have a tendency to flatern the timing out around 3000-3500 After My porting work, It doesnt do that, rough timing values 900=0 3000=15 6000=35 7500=45 above 7000 ???? Its my only car atm.. also at low revs 800-900 the timing needs to be at or below TDC to avoid knocking. also vacumme advance is up to 3 times the normal limits. fuel consumption is very good and very bad depends how you drive it. Its a 2 L engine that can use about 1.5 of fuel/min so acording to some programs ive used it peaks at 200 Kw, I doubt if im getting that yet, only std exhaust, at idle on a still day your hand can feel a puff of fumes up to 2m from tailpipe. (in reply to NeoZophar) Post #: 3

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