stroker blue printing and plastic gauging

blue printing is basically taking measurement, dimension and clearance.this measurement used to determine serviceable level and to monitor engine components within specification

 precision tools required are telescopic bore gauge, 2" and 3"micrometer and vernier caliper

 before measuring bore of big end rod, ensure the rod caps are torqued. and  dimensions is measured at several point to check roundness. the roundness check actually must be done using dial gauge but difficult to get one and expensive.

for those who suffer the rod bearing failure, this inspection is mandatory. normally con rod bearing failure may result sign of burn or discoloration around the big end.most probably caused by metal to metal contact. so what you need to do? if the burn sign not so severe than try using sand paper to wipe it off.if the color doesn't go off, change the rod. if it can be wiped off than continue with measuring big end and check for roundness. to play safe roundness limit should within 0.0002".

  

checking dimension of crank journals = 1.9678 - 1.9685" 

                                 rod/pin journal = 1.7709-1.7717".

 plastic gauge thread can get at 30 ringgit

 next is put the plastic gauge on the installed crank, and install the crank cap and torque.

 than remove the crank cap and see how much the thread being press. measure on widest thread as below show 0.002". it is represent how much clearance  between crank and bearing.

 pin journal i got 0.0015 which more on tighter side.

 

 

it is a vital process in building race engine, do it right for the first time..so than u don't have to  disassemble the engine again.

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

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.

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

Dual pass custom Radiator

 I'm not sure whether there is others malaysian use this type of radiator..but it is not yet in the market here.so i have to customize it.but i know that there are some fabricator had more advance radiator which use two combined radiators into one unit, but it cost a lot more money. for normal radiator normally flowing vertically but mine flowing horizontally. o bought a forged racing radiator not very thick it is about 1.5 inch. the thicker the radiator not really perform better as aft side of cooling fin  is not efficient enough.

 water will return flow for second pass for another cooling phase.it good for track racing but not necessary for drag. who ever want this radiator it is also up for sale..RM 2500 nett. COD can be arrange at Selayang or Rawang.

 some people call it twin pass radiator mostly used in nascar and time attack racing car like chriss rado.I put a few 1/2 inch under the frame that cause more clearance between the turbo

 as high rev can cause air lock plus inefficient cooling  in the radiator system so i put in breather tank from greedy.

 

New engine look for my Satria..