FUEL requirements: TO4b
06-05-05, 10:15 PM
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FUEL requirements: TO4b
I've already posted a similar thread in the 2nd gen section and didnt get enough feedback to make my decesion, that is why im posting it here. I currently have a couple questions on what will be adequete for the fuel setup i will be running for my s5 TII j-spec with a TO4b turbo. This engine has been recently rebuilt and had a mild street port with 3mm apex seals. Will the following system be enough to support the TO4b Turbo that i am installing into the car with the neccessary mods like FMIC , 3inch turboback exhaust, etc etc...I currently do not have the specs on the TO4b but I'm estimating around 300 to 320max whp at around 12-14psi of boost.
So far the list is:
Walbro 255lph fuel pump
720 x4 injectors
Safc II to control air/fuel mixture
hks fcd
Also is it neccessary to have a wideband to tune it. Basically what im trying to find out is if i would definitly need to get a Standalone for this setup. I would really prefer to stick to this piggyback setup because of money and simplicity, but i dont wanna risk have a blown or unreliable motor... thanks
So far the list is:
Walbro 255lph fuel pump
720 x4 injectors
Safc II to control air/fuel mixture
hks fcd
Also is it neccessary to have a wideband to tune it. Basically what im trying to find out is if i would definitly need to get a Standalone for this setup. I would really prefer to stick to this piggyback setup because of money and simplicity, but i dont wanna risk have a blown or unreliable motor... thanks
06-06-05, 08:36 PM
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check you PM and to answer your question i would just go with EMS. With EMS you have more room to tune which will definitely save your engine. OH and with some kind of EMS you can extract more HP and with that turbo that you have in mind it is pretty doable.
06-07-05, 07:11 AM
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To4b
If you use a Cartech Rising Rate Regulator you can run stock injectors, just tune the unit with a wide band, very simple.
http://www.bellengineering.net/Pages/products_FPR.html
http://www.bellengineering.net/Pages/products_FPR.html
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06-08-05, 12:21 AM
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RE Amemiya/HKS power!
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with my setup i will be using bosch indy's as secondary and stock s4 injectors
and a whole surge tank setup with twin pumps and stock s4 as a prepump and water injection im plannin to get some1 to tune with around say 15psi??
and a whole surge tank setup with twin pumps and stock s4 as a prepump and water injection im plannin to get some1 to tune with around say 15psi??
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