Tuned 4AGE results
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09-02-2009, 04:24 AM
Post: #31
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Tuned 4AGE results
oldeskewltoy Wrote:tough to get ACCURATE results when you have swapped in cams.... Right, I understand about all that. Just wondering if I am in the ballpark or not. |
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09-02-2009, 05:39 PM
Post: #32
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Tuned 4AGE results
Hmmmm stock TVIS (9.4 to 1) has cylinder pressure of about 179 when new. I believe the newer non TVIS engine has cylinder pressures approaching 190, when new. Finally... I know a few people with after market parts that have cyl pressures over 200... and a few of those suffer from pre-ignition(ping) The non TVIS engines were equipped with a knock sensor, the earlier ones were not.
Making an assumption, in an n/a 4AGE application... cylinder pressures under 200 should be manageable, over 200 will be much more difficult. Dan - You can | .... OR you can ask for help!!! OST Porting service - http://hachiroku.net/forums/showthread.php?t=19991 |
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09-22-2009, 10:32 PM
Post: #33
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Tuned 4AGE results
Engine: 20v Silvertop stock ecu, aftermarket map module, additional injectors +2 with additional ecu, stock internals, big intercooler, big oil cooler, t4 turbo
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09-23-2009, 12:15 AM
Post: #34
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Tuned 4AGE results
very very interesting!
**COROLLA EE80 - 4AGE 124HP** |
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09-23-2009, 02:02 AM
Post: #35
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Tuned 4AGE results
Sgonzalez Wrote:Engine: 20v Silvertop stock ecu, aftermarket map module, additional injectors +2 with additional ecu, stock internals, big intercooler, big oil cooler, t4 turboCan you tell us more about your setup? It sounds kinda brave! 1972 Ford Taunus (drift project) 1984 Toyota Celica AA63 (4AGE, 5MT, IRS) |
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09-23-2009, 10:57 AM
Post: #36
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Tuned 4AGE results
Why is the A/F so rich before it really comes on boost? Nice numbers and plots though..
FABRICA MI DIEM, PVNC! |
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09-23-2009, 03:35 PM
Post: #37
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Tuned 4AGE results
Ivan141 Wrote:Why is the A/F so rich before it really comes on boost? Nice numbers and plots though.. The explanation that the dyno guy told me is that before the vvt is engaged the engine opens the injectors to protect the engine, but I can disengage the extra 2 injectors between 3.5 and 4.5, I think I can correct that issue |
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10-16-2009, 02:29 PM
Post: #38
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Tuned 4AGE results
GTRJazz Wrote:Heres mine, 4AGE 3 Rib big port, HKS 264 cams,adj pulleys, open standard plenum, MFE ECU. trust exhaust manifold,TVIS removed. Engine rebuilt in Japan so unknown CR. 133.1 HP @ the wheels Ok another run from me this time with small port ITBs fitted no changes to the MAP.I also found the TVIS system was still working on the last run and doing a good job. "] Quite encouraging it made 131.9 bhp @ 6950 rpm Torque is up at 99.69 ft Ibs @ the rear wheels Shame it ran lean so we had to stop there AFR is better mid range |
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10-16-2009, 02:50 PM
Post: #39
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Tuned 4AGE results
Funny how you now have a mirrored torque curve. Torque seems down over most of the rpm range, as if you had (slightly) more area under the curve with the standard inlet.
Was it worth it? A wheel to steer the front of the car A pedal to steer the rear |
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10-16-2009, 03:14 PM
Post: #40
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Tuned 4AGE results
NoHachi Wrote:Funny how you now have a mirrored torque curve. Torque seems down over most of the rpm range, as if you had (slightly) more area under the curve with the standard inlet. Yes it looses quite a lot of power below 5000 rpm as it takes the air velocity time to build in the ITBs so not so good for a road car But mine gets most use on track where I would never drop below 5k so a good benifit for me power is 131.9 bhp at only 6950rpm instead of 133bhp at 7650rpm so when the fueling issue is fixed I will make quite a bit more reving up to 8000rpm |
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