SMSP wrote:
[quote:f378809df5]Did you see the full Toda curve or only get the peak numbers? George's engine produced a peak of 138 lb-ft and made 125 lb-ft or more from 4300-8000. [/quote:f378809df5]
I have not seen the curve for the Toda project ITR's current set-up, but there is a curve posted for a previous iteration of the same car with fewer mods and about 197 whp. Check it out at
www.dynocenter.com/00R_BspecTodas.html.
The mods at the time were:
• TODA Racing Spec B camshafts__________________________$980
• TODA Racing GEN2 Campulleys__________________________$300
• TODA Racing Oil Pump Gear_____________________________$300
• TODA Racing High Power Clutch Kit (not part of hp upgrade)
• AEM Intake__________________________________________$2 15
• MUGEN 4-1 Header____________________________________$975
• RANDOM TECH Catalytic Converter (modified to fit larger JDM flange)
• MUGEN (~2.36" dia) twin-loop muffler & USDM Mugen (60mm only) B-pipe
(a little hard to price the exhaust listed)_____________________$975
I assume since TODA recommends it that their valve springs were also used, but they were not listed on the test.
• TODA Racing Dual Valve Springs_________________________$360
Total_____________________________________________ __$4105
That is a 34 hp increase giving a cost of $121/whp compared to the $129/whp increase for the current TODA setup.
You can judge for yourself by looking at the dyno curve that for the blue curve torque was 125 lb-ft from 5200-8200 RPM with a peak of about 134 lb-ft. The difference between the Toda car now and before is the change from a Mugen to a Toda header (current muffler setup not listed), addition of high compression pistons and head gasket, ported head and titanium reatainers. The earlier mod is quite close to 200 whp, and obviously is much closer to just bolt-ons, since the pistons, head gasket and and head don't need to come off. That is a lot of work for an extra 8 whp! Perhaps one of Dave's headers and exhaust sytems intead of the Toda/Mugen listed but with the other TODA mods would take it over the 200 mark without all the engine work. What do you think?