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Installing a ST170 engine.


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On 26/04/2021 at 20:12, katana said:

Not quite, but if the ground is green they run horses round & round or hit little balls into holes with sticks! Did my learning on 2 wheels.

I starting my driving on 4 wheels (tractor), then went to 2 wheels, (suzuki 125), then 3 wheels (Honda 185 trike) before moving into cars. I did ride a SV650 for 14 years as well.

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Waiting on a few parts to arrive now for the cooling system then I hope to get stuck in a see if we can get the engine firing before the end of May. My mate made a start on the stainless steel exhaust but his TIG welder packed in so that needs sorting before we can finish that. The throttle body kit and ECU arrived so did a test fit and it looks great! 

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  • 3 weeks later...

I certainly hope they look as good for real as they do in the photos! They need a couple of the adjustment knobs fitted and runners but I'm hoping I can get the runners on the current seats to fit 🤞

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  • 1 month later...

So real life got in the way of this install and didn't get much done during May and biggest end of June. Last week managed to get the exhaust manifold properly fitted and the custom exhaust is now built up until the axle. Just the bends around the axle to make then attach the nice oval stainless steel box I picked up. Coolant system was also custom made with stainless steel pipes so finishing part of that will be the 'T' join to put the bottom heater box hose into it to complete the circuit. Hoping to have a further update in 2 weeks.

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Now these posts have piqued my interest, as I am just getting all the bits together to ST170 my Classic315, I must admit Im finding it hard to determine the right ITBs for this engine, running Emerald, and the VVT, decent exhaust manifold.... 

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33 minutes ago, V8ian said:

Now these posts have piqued my interest, as I am just getting all the bits together to ST170 my Classic315, I must admit Im finding it hard to determine the right ITBs for this engine, running Emerald, and the VVT, decent exhaust manifold.... 

Ian, I've went down the Dan ST engineering route for the throttle bodies. They are from a kawasaki zx9r I believe and are 45mm running on 300cc injectors. They come with the manifold and full fitting kit for around £695. Other people run ZX6R throttle bodies which are 40mm. Getting the manifold to mount the throttle bodies is the big expense. The exhaust manifold is from retro Ford and is their cheaper version which, I think, is a copy. Its 4 into 1 and is 2.5". I'm running the ME 221 engine management system which will.control the VVT and I've also mounted a vernier pulley on the exhaust cam.

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  • 3 weeks later...

Im totally delighted with the fact the car starts up! I wasn't up this week so no new pics but, been chatting to the lads who have been tinkering away. Basically all is needed now is to sort out a spark issue on cylinder 1. They think it's the coil pack so new 1 ordered. Once that is sorted its onto the rolling road so sort out the map and see if we can run it! I'm hoping to have big progress report this week as there is a drive out I'm registered for in 9 days! 

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This happened yesterday..... Car sounds epic running. Just need the bonnet back on, few minor things reattached then fluid levels checked then ready for the road. The garage guys are not out and out tuners so we made 146bhp and 265Nm. I'll get a picture later. I need to go to a bespoke tuning place to unlock the full power the car has as they aren't sure why we are not making the full power expected. 

Cant wait to hit the road though! 

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On 16/02/2021 at 10:51, Donka said:

Looking good and got to smile at the line projects always take way longer than planned, I am on yesterday eight and always say the same thing - next summer 

 

always worth it in the end just, quick picture of my bay with the ST170 sitting nicely at home - running emerald ECU which is about to be upgraded to the K6 so I can run the VVT the way it was intended 

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Lovely work!! I always admire these kind of installs, An think I'm going to hide all the wires etc in mine, then I look at it, look at the work involved, then think I know I'll disconnect the loom, then something won't work🙄 🤣  so I'm going to be that guy with a standard engine bay an a bit of conduit an some rough looking cable ties 🤣

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On 25/04/2021 at 20:17, Gareth_C_79 said:

I reckon a lot of people on this site most likely learnt how to drive on either a fergie or a MF35. 

Haha not quite, a '23 model t roadster, it was a ford tho an my first car 🥰

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13 hours ago, Gareth_C_79 said:

Got her back today in time for my first run tomorrow. I'm so happy! 

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Looks amazing well done 👍 if I had the car back an had to wait til the next day for a first run i wudnt sleep with excitement 😂

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28 minutes ago, chinkamon said:

so I'm going to be that guy with a standard engine bay an a bit of conduit an some rough looking cable ties 🤣

Ain't nothing wrong with that - a neatly laid out, correctly terminated and secured loom can look equally impressive!

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