EJ6 & EK4 to EK9 CTR Conversion Guide / Thread


rvm

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EK9/Civic
Hello! I decided to create this thread so we can help our friends from the USA to know what parts they will need for the conversion, post what ever you can, information of differences between two cars, photos, etc!! :clap:

Thanks

:clap:

Interior:

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Recaro seats front + rear.
Red floor carpets.
Gauge Cluster.
Red door interior.
Console (not sure about this one, because it will be difficult to control the a/c etc from the other side)
Titanium shift knob
SRS Momo Steering wheel
EK9 pedals
Power window conversion
Road Flare kit

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Titanium Shiftknob (original, not fake one)
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Anything else?
 

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Exterior:

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5 lug nut conversion.
EK9 Civic Type R Front Lip
EK9 Civic Type R front upper grill
EK9 Civic Type R Mirrors
EK9 Civic Type R Rear Lip
EK9 Civic Type R Windows deflector (don't know if this is the name of the plastics around the window)
EK9 Civic Type R Side Moldings
EK9 Civic Type R Front lights and & Rear Tail Lights
EK9 Civic Type R side markers
EK9 Civic Type R Tail
Red Honda Badge Front + Rear

Anything Else ?
 

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Complete B16B Engine Swap
EK9 Civic Type R Front Upper Bar

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Anything Else?
 

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Suspension:


-5 lug conversion with ek9 brakes
-26mm front sway bar, to use this you also need the lower control arms and shock forks, the us spec em1 uses the exact same parts so it can be sourced from there.
-22mm rear ek9 sway bar, to use this you need ek9 rear lower control arms or any aftermarket units with holes for the endlinks, also keep in mind when using such a large diameter bar on a NON-type R you MUST use a sub frame reinforcement brace such as the COMPTECH, ASR, or BEAKS kit. without this kit the bar will tear out of the subframe as teh factory ek9 has a reinforced subframe the factory ej6/ek4 etc... does NOT.
-under subframe brace
-ek9 shocks and springs, stock ek9 spring rates are 250lbs front and rear with the rear being progressive rate.
-front strut tower bar
-EK9 front and rear bumper reinforcements, often referred to as re-bar, us spec ej6 models have a much larger one due to bumper laws, not sure about ek4.
 

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OTHER:

Reserved for anything else hehehe

-Gold color chromoly shift linkage (change rod). non-type R uses steel.
-Factory tinted glass
-A lot of the bolts on the ek9 have a hollow head to reduce weight, ej6 uses some of these bolts but not as much as the ek9 has.
-No wiper on the rear hatch area

final comments blinx9900: while some ek9 parts are excellent it is not necessary to use ALL of them, sometimes it just dosnt make sense financially to spend so much money on parts you may upgrade later, like shocks and springs for instance, it may be better to just buy aftermarket shocks/springs or coilovers from the begining, this is not to say the oem ek9 parts are not good, its just that some people may prefer a stiffer ride or dont want to gamble with buying used shocks. also the rear sway bar, suspension techniques makes a rear swaybar kit that is 22mm just like the ek9 and it comes with everything you need including the subframe brace. or the factory shift knob is very EXPENSIVE, skunk2 makes a replica that is weighted for smoother shits and it cost much less. keep in mind when buying a lip to purchase the lip for your body style either 96-98 or 99-00.


EK9 rear bumper reinforcement

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Last edited:
great idea, i added to the suspension and other areas,:nice: feel free to seperate my comments from yours i just though it would be more uniform this way :nice:
 
great idea, i added to the suspensino and other areas, also added the grill in the exterior area :nice: feel free to seperate my comments from yours i just though it would be more uniform this way :nice:

Thanks! :bow:
 
guys, should i add ej6 + ek4 to the title? what do you think ? :)
 
i think good idea cause ek4 suspension and exterior is more like ej6
 
I'm fairly sure the ek9 and other ek side skirts are the same, they just have to be paint matched.
In the US you will need an ek9 dash with the large vent right on the top middle. All ek9 interior panels are black, other ek's have a dark or light grey interior panels. For a conversion you can either switch to ek9 panels, or dye yours black.
You will also need the ek9 blue colored fuse box cover, in the engine bay.
An ek9 cigarette lighter panel is also different from a US spec one.
A red stiching shift boot is also needed.
 
i know about the sideskirts, and i know the ITR had a red stich shift boot, but i was unaware of the CTR, ill make the changes thanks :nice:
 
wat are good sites to buy parts.. good prices n all that? wher shud i get a shiftknob from
 
i know about the sideskirts, and i know the ITR had a red stich shift boot, but i was unaware of the CTR, ill make the changes thanks :nice:

You know what, I'm not even sure that the ek9 had a red stitch boot, maybe it does but maybe its just something that was stuck in my head.
Could the real ek9 owners with both regular and type Rx ek9's chime in on this? Here we are 2 US guys making a spec sheet on car's we don't own:lol:
 
ctr does hve red stitched shift boot... seen it on many pics... besides u can order "ek9 red stitch shift boot" frm shops. u can also get them genuine frm Honda on ebay :D
 
So this conversion thread can turn an EJ6 into an EK9 replica.. and still perform like an EK9 ? Handling, etc.
 
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