N/A 2.4 HP/TQ potentials?
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From: Jacksonville fl
Originally Posted by Gory
Interesting considering that lotus was one of the co designers of the ecotec and they use almost exclusivly toyota stuff hmmm.
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From: Gainesville, FL
Originally Posted by Gory
Interesting considering that lotus was one of the co designers of the ecotec and they use almost exclusivly toyota stuff hmmm.
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From: Orange CA
Originally Posted by joeworkstoohard
well GM has a lot to do with a lot of car makers. people do not give them enough credit for the technology they produce.
http://en.wikipedia.org/wiki/GM_Family_II_engine#Ecotec
http://en.wikipedia.org/wiki/GM_Delta_platform
http://www.grouplotus.com/mediactr/p...ad.php?pid=242
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From: East Brunswick, NJ
Originally Posted by joeworkstoohard
it's hard to come by but here's a few "what it looks like to me"
the VVT system looks alarmingly like the VVTi system used by toyota, wouldn't surprise me based on thier close dealings
the 2,4 seems to be a bored over version of the 2.2 block wise. since it' snot a HUGE increase in displacment, i'd guess that it was done to match up with the much wider valve spacing that the VVT's SEEM to have on toyotas
the head is way different. the cams have larger lobes on similar engines and the timing changes a lot. if you look at a lot of dyno sheets the 2,4 seems to make less power than the 2.2 at low RPM. i assume this is to smooth out the idle.
the VVT system looks alarmingly like the VVTi system used by toyota, wouldn't surprise me based on thier close dealings
the 2,4 seems to be a bored over version of the 2.2 block wise. since it' snot a HUGE increase in displacment, i'd guess that it was done to match up with the much wider valve spacing that the VVT's SEEM to have on toyotas
the head is way different. the cams have larger lobes on similar engines and the timing changes a lot. if you look at a lot of dyno sheets the 2,4 seems to make less power than the 2.2 at low RPM. i assume this is to smooth out the idle.
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From: Olean NY
Originally Posted by avro206
I would think the untapped power lies in the cams and head work. Maybe getting that compression ratio up to 11:1--might need custom pistons. Stroking would be prohibatively exspensive......a custom crank and rods.
GM did not go aggresive at all with this engine.
GM did not go aggresive at all with this engine.
S.O.
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From: Olean NY
Originally Posted by jaslowyota
damn, 14:1 is what my bike has, if it were me i would go with 12:1 if its an daily driver you wouldnt have any problems.
S.O.
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From: soon to banned as I am from MANITOBA?
Originally Posted by HiSpdPursuit
I've decided that im going to probably keep my 2.4 as N/A. The most i think i would use is a Supercharger...turbo is too complicated and $$$ right now
anyway i wanted to get some opinions on how much HP and torque you can really squeeze out of the 2.4L VVT. I know the basic bolt ons like CAI, cat-back, and header.
what i am really interested in is really digging into the motor itself. Ie. Full port and polish of the head, camshafts, and is it possible to bore over and possibly stroke the 2.4L without having to re-engineer the computer?
can you change the camshaft's lobes and the crankshaft stroke without messing up the VVT and the PCM? Frankly this new technology is complicated...im used to my old 5.0L and bored and stroked pushrod engines.
anyway i wanted to get some opinions on how much HP and torque you can really squeeze out of the 2.4L VVT. I know the basic bolt ons like CAI, cat-back, and header.
what i am really interested in is really digging into the motor itself. Ie. Full port and polish of the head, camshafts, and is it possible to bore over and possibly stroke the 2.4L without having to re-engineer the computer?
can you change the camshaft's lobes and the crankshaft stroke without messing up the VVT and the PCM? Frankly this new technology is complicated...im used to my old 5.0L and bored and stroked pushrod engines.
all I can say is get a s/c from one and intake from gm or a wrecker. then hptune it. Need injectors? by the stage two injectors from someone going to 60lbs set.
you will want to make sure HPTUNER set up will work with PCM
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From: Mississauga, Ontario
Originally Posted by ssnipes
all I can say is get a s/c from one and intake from gm or a wrecker. then hptune it. Need injectors? by the stage two injectors from someone going to 60lbs set.
you will want to make sure HPTUNER set up will work with PCM
you will want to make sure HPTUNER set up will work with PCM
it is possible only if HPTUNERS can get it to work with these PCM's and the VERY limited BAR MAP info
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