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Wednesday, June 26, 2013

engine wiring LT10S







 std wiring loom taken out.
 time to identify the sensor's connector
 TPS, and below is water temp and CAS. the microtech CAS is actually a wire shielded use to prevent any distorted signal from angle sensor. but i dont have the picture.
 the microtech wiring loom are silver. after several year i realize that silver wire that being used not like a normal engine wire..it last much better coz the normal engine wires will burn internally especially at the joints. you will see change in color from copper to dark copper and sign of burn. but with microtech wiring loom i have never seen any of it.
 direct connection to the std wiring..the best way to connect is soldering method..if not u might gonna have problems later on.For the lt10 i install it with out the injector ballast. i wired it direct from input power supply.

I also use a shielded wire as an insulator, take a closer look at the injectors connector and CAS connector

Thursday, June 20, 2013

Time Attack prep: switching to smaller turbo

Reason for changing to smaller turbo:
            to prepare the car for time attack.
 the previous s256 turbo was best for drag racing and i tried  it during track day, caused me lost   of traction. the tires were spinning from one corner to another at sepang circuit and unable to floor the throttle.

Choice of turbo :
            GT2871r,     GT3071r (GT2835r),  TD06 22G,   TD05 20G,   TD06 with TD05 turbine housing. Need to find the suitable turbine housing to match with the engine setup. Ideally the turbine housing is determining the fast spooling and the top end performance.

the turbo that i choose is :
                TD05 20G billet wheel.
                11 compressor blade.
                12 turbine blade TD05.
                TD06 compressor housing.
                AR70 mitsubishi original turbine housing.
Why I choose this turbo? Coz I wanna the power available at the most of RPM range around 4500 to 8000

belows pic shows u 20G billet VS borgwarner s256 compressor blade.
r
 20G billet with extended tip.68mm exducer.  why I choose 11 blade and not a twin blade?
coz 11 blades allow power to increase gradually and not too drastic like a twin blade. hopefully it can reduce the tendency of tire spinning. too drastic like a twin blade is more suitable for drag racing.
 the compressor is not a point milling type. it is a flank milling as u can see the picture smooth of compressor blade surface.not like the garret GTX surface. it only has lining in between the blades. the center hub also quite small to allow more air flows. all the blades are thinner compare to cast type compressor. if u compare the 20gG compressor billet with cast, the billet is way much more higher or taller.

 12 blades of turbine.it is not as small as GT2871R turbine so good for higher rpm too. That is why I choose TD05 rather than Gt28
 actually this turbo size is near to GT3071R.. a specially the turbine size.
 Original mitsubishi turbine housing. u can see the logo stamped on it.

 TD06 compressor cover
How ever this turbo not fully tested yet coz the engine suffering valve float on dyno.




Monday, June 17, 2013

H Drive super single

Just wanna share some picture here. I had this for long time already since the 1st week of H drive clutch been selling in malaysia. and here is a bit review of it. as far as i know it is design in US and made in thiland. but it looks like similar as RBP clutch. How ever the loceng sound bit noisier than RBP. one of the reason why its got this sound? So than u can hear it  whether the clutch slipped at high RPM. if u can hear it than it is not suit to your HP. so far 350HP dyno dynamic no prob. pressing the clutch also not as hard as Exedy semi race even though it has higher strength on it spring. take a look at the pictures below, u can see  double from each plate


 wide of the clutch is 8.5 inchs