30% Bigger injectors fitted to the fiesta st 180 + mapped scaling shown

30 % Bigger injectors fitted to my fiesta st,
These are genuine bosch injectors with proper ford black teflon seals
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Fiesta st 180 list mods so far ;
scorpion sport cat
Itg air filter
R sport crossover
Rsport baffle sump kit
milltek non res exhaust
GFB DV
Meisterr clubrace coilovers
braided brake lines
coolerworx short shifter
ebc rpx front pads as of 18/07/2020
ebc bluestuff rear pads
EBC 300mm front bbk
Turbo technics s280 21/03/21
MSD stage 3 mapped
Collins performance RMM
Cusco rs 1.5 way differential as of 17/04/21
Airtec radiator
Airtec oil cooler
Airtec stage 3 intercooler

[@RS_Rowe]

I’m looking forward to the dyno install in the back garden

[@MrTurbo_]

in my mind if you have 30% bigger injectors, you have 130% of the fuel before, so the injector timing should be divided by 1.3, not multiplied by 0.7, the difference is about 7%

[@kevinmills5293]

Agreed.

[@f150lightningboy]

No cam Bucket Replacement while you're there and have the Rail off.....being so close to the HPFP I would've done that also* Great video!

[@Sparkplugsteve]

Already put a brand new one in when engine went in.

[@victorswietochowski3348]

because of this chanel im buying a fiesta st180 thank you steve

[@filmboy18]

There is a injector removal too. It's a bit like a slide hammer but it hooks around the injector. Saves destroying the plastics on the injector. EDIT: I've just seen your ghetto tool.

[@jamiesweeting1770]

Another top video Steve 👍🏻 , wish I knew you were going to sell injectors before I paid full price for a set ! Would be good to see what you can do with the car with HP tune and increasing boost , be interesting how the car reacts to different changes

[@michaelthomas5121]

When I worked at ford engine plant Bridgend the bosch injectors were pre fitted to the fuel rail and was inserted into the head as one unit and the two center bolts were done up first and then the outer bolts are done up in two stages 10 nm and 25nm I think, you have check the torque settings as I can't remember the final torque settings if you don't follow this bosch engineering said that the seals could fail and you could have a engine fire due the high fuel pressure and if you messed up the process the fuel rail was rejected and a new one fitted

[@Sparkplugsteve]

That's good information thank you. Hopefully i will be ok but I lubed the top seals before fitting the rail and tightened them in stages.

[@phillloyd6356]

Another great SPS video - happy days

[@SJLAutomotive]

Got something very similar myself regarding Jump Packs. Got the Halfords up to 3L one which is small like yours and includes the USB Ports which is ideal for charging your phone whilst out and about. Another great and informative video Steve! 👍

[@pph4204]

Another great job and nice long video. I am looking forward to you testing out the updates on track. Keep up the good work. 👍

[@meganjay30]

I really want to fit an auxiliary fuel kit.. because then since it sits just between the throttle body and intake manifold it will keep the intake valves clean..

[@laundrieshanging9077]

Damnit. I just did these, and put the retainers on the fuel rail, then installed. Which i think is the wrong way after watching your video…fack haha. I think i need to re do em!

[@tomsocall]

regarding the sleeping lambda - all wideband lambas need time to be warmed up, before they measure correctly

[@andybrace4983]

Yeeeeeeesssssssss lets get some more bhp.....great video Steve

[@trfred4059]

Another great job and nice long video.

[@Rookiereece]

Think its time to buy another ST 😁 Summer is coming quick and fast

[@trfred4059]

great, thank you

[@LOLewie]

Be careful doing just injectors. That stock HPFP will max out quick. Even 10hp and it’s maxed and now your injectors are doing more harm than good. The tuners here in the U.S have tested it. You’ll definitely want to get the upgraded pump.

[@mattwills87]

I always thought you had to code them in for them to work 100% then again only really had them changed on desiels

[@dylanwatkins1019]

I know this is a old video but it’s come to light that the 2015+ jaguar xjr the 5.0 supercharged model use the same 30% injectors for less money and there is a few guys testing out the hpfp from the same car.

[@Sparkplugsteve]

Yeh they are jaguar injectors. Be interesting if the pump works too

[@dylanwatkins1019]

@@Sparkplugsteve oh it would be amazing considering it’s only like 160$ USD versus the only other option from XDi that’s 1,400$ USD

[@dimitriospetridis1186]

Hi Steve, a question if you know. The HPFP electrical connector is the same with the injector connector?

[@FK121FK]

Hello Steve, I got my fiesta ST for 4 months now, and I can't decide what remap to get, what do you recomend ?

[@ianp369]

Really enjoyed that video, would love to see you remapping the car. Is there an option for switchable maps with the ST?

[@Sparkplugsteve]

Thanks and you can inly switch maps with software or tuner tools

[@anthonytessier1324]

Salut 👋 super vidéo KZbin 👍🇫🇷

[@ethanroach255]

Need some great granddaddy strength my boii

[@bryandebruyn4410]

Great video Steve. Though I have a few questions? Still running the standard fuel pressure? Or did you increased the pressure? I assume the bigger injector you used have higher flow, not higher pressure?

[@Sparkplugsteve]

Fuel pressure is already increased to 165 bar but I may go to 175 when I remap the car.

[@bryandebruyn4410]

@@Sparkplugsteve Ah , that makes sense. Van you alter the pressure output of the fuelpump then? Or do you have to swith pump to have that higher pressure?

[@Sparkplugsteve]

I can raise the fuel pressure in the software.

[@Scott-oi4go]

Don't suppose you have the original Green O-rings

[@Sparkplugsteve]

I do have some yes but you can buy them as a complete set from ford

[@Scott-oi4go]

Thanks Steve I will give Ford a call tomorrow see how much there going to rob me 😜.

[@rababapferd1463]

where did you buy the injectors? which are they?

[@trfred4059]

possible to show where the pressure adjustment of the high pressure petrol pump is

[@Sparkplugsteve]

I may show that in another video yes.

[@trfred4059]

@@Sparkplugsteve

[@darrenstevens5731]

Hi Steve, is it a special spark plug socket for the spark plugs on your st? I have a halfords socket set, but it doesn't fit help, please

[@Sparkplugsteve]

My halfords ones fit

[@darrenstevens5731]

@@Sparkplugsteve thank I will have another try

[@ilovejazz3s]

Steve, have these been sealing ok? I am trying to decide between these and the Puma double sealed ones

[@Sparkplugsteve]

Yeh I had no issues and iv sold about 90 of them now without an problem

[@opexo]

is it possible to check if you can hook up to st170 with that cable and soft?

[@Roundholesinsquarepegs]

How far can you go with bolt ons before needing a map? I’m talking induction kit, crossover, silicon inlet pipe and inter cooler? I also have an st.

[@Sparkplugsteve]

changing to a sport cat or decat is where you will need the map alered to avoid a engine code.

[@victorswietochowski3348]

is the milltek a bit restrictive when ill come to making more power wont a 3 inch be better??

[@ayrtonowen2703]

Meh not really mate, pumaspeed had a 507 hp st with milltek non res race

[@victorswietochowski3348]

@@ayrtonowen2703 thx good to know

[@kelvinleong4995]

I am confused, why the injector is 30% bigger but the fuel value you enter is 30% lesser

[@Sparkplugsteve]

Just the way the mapping works

[@isoconfused8744]

Is there a risk of bore wash with bigger injectors?

[@Sparkplugsteve]

No because it runs the same air fuel ratio. That's why I had to rescale them.

[@seanperks2702]

When did you put the cage in?

[@Sparkplugsteve]

Few months ago but never filmed it.

[@patty058oys2]

Hey Steve, are you still running a MSD tune?

[@Sparkplugsteve]

Hi yes nothings changed other than the injector settings so far

[@patty058oys2]

@@Sparkplugsteve so can you use HP tuners to change settings in the MSD tune?

[@Sparkplugsteve]

Yes I can.

[@patty058oys2]

@@Sparkplugsteve hey Steve I just sent you a message on messenger...

[@fordyford]

When you did your quick maths, did you not reduce the injector size by 30% and not increase by 30%? 100×0.7 is 70 which in effect has taken away 30%. I'd find 30% of the original number and add it to the original number. If that's how it works scaling the injectors. My maths (may be wrong) makes +30% the figure to be 0.050442704

[@pjneale]

He was scaling the number down not up.

[@fordyford]

@@pjneale I'm not knowledgable about this stuff so was thinking he was putting in the map a 30% bigger injector so would have to put in that it is 30% bigger. I don't know how it works.

[@pjneale]

@@fordyford because the injectors are 30% bigger, keeping that number the same would result in it over fuelling. So reducing it by 30% should roughly reduce the fuel delivery to match what the stock injectors was giving. Now the bigger injectors will allow him to go for a bit more power because the bigger injectors can deliver more fuel and that number will be increased when being mapped for optimum flow.

[@fordyford]

@@pjneale ahhh sweet. I was simply thinking the ecu needed to know that the injectors had 30% more delivery capacity, I wasn't thinking the figure as compensation so get the same fuel at the same point from a better flowing injector. Thanks for the explaination.

[@jacoblittle3209]

How do you not curse super loud in your videos. Whenever I'm having trouble working on my car it's all "adult" language coming out of my mouth