$2000 STI Spec C 6-Speed Transmission Swap: GC8 Impreza 2.5RS Part 8.
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- เผยแพร่เมื่อ 2 ส.ค. 2024
- Here is exactly how the 2.5RS got a 2007 STI Spec C 6-Speed Transmission swap for less than $2000!
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Do you think I got a good deal on the 6spd? Watch the entire build series th-cam.com/play/PLmCz8Lio03_mhIcErCZW7AlOO4wEysrpQ.html
Interesting video man. This is turning into a really cool car!
And kudos to your dad for helping you out. That's awesome to work that closely with him and get it all done.
Chas Gordon thanks a ton! I did not think we would get it done at many points along the way. It’s always more fun looking back than doing the work.
NICE!!
I have done this swap a couple times , it's amazing how much difference in the car with the 6 speed ! It's so much more beefy , and the 6 speed flywheel is a tank !
Bruce Holinight it sure makes a difference. Especially when I did not have second gear. The flywheel is a light weight 5mt clutchmasters I believe. Wish I did the OEM 6 speed flywheel and clutch but I was cheep.
@@RoadPatina I was cheap too and used the 5 speed clutch but as soon as I found a 6 speed flywheel and new bolts I changed it ! Could not really feel the difference inside the car but after handling that beefy 6 speed flywheel it give me a lot more confidence ! Swapping to a 6 speed is like driving a whole different car !
Bruce Holinight after the swap I was getting a misfire code but it was running great. Some people mentioned the lightweight flywheels can do this?!
@@bruceholinight7978 how difficult is the swap?
@@trashbandit2449 68 year's old , have cancer , I'm ,100lb , it took me 3 months just me and my wife , do enough research , get the ECU that goes with the engine or a custom ECU , that was my biggest challenge !
That's STi rear end, not only is it stronger, but it also has a helical diff. (A pretty significant improvement.)
I believe it’s an r160 out of a wrx.
One common misconception is that every Impreza between 92-01 were "GC8's". The code breakdown is as follows; G - stands for Impreza, C - sedan, M - coupe, F - station wagon, The 8 stands for the 2.0 L turbo motor. So really, there are many combinations. A coupe STi would be GM8, sedan GC8, wagon GF8. Also, the code for the coupe American 2.5RS's were GM6 (6 standing for the 2.5 L N/A motor)
youre mostly correct but sedans and coupe both share the C letter. i own a EUDM 4door with a GC8 vin and a guy local to me owns a JDM impreza type R 2door with a GC8 vin as well. the GM thing is exclusively a US thing
So many letters!
Also interestingly, my 1997 EUDM Impreza VIN is GC8, despite it having 2.0 NA engine. It appears that the "8" only refers to the 2.0 engine size, not the aspiration.
I want to do the Same ! You have Tips or Tricks ? Where can i geht the whole parts that i need?
I just bought my 98 RS this week. great videos! lots to learn on these cars. anything I can do to get 1hp out of my NA motor? while I save to do my swap.
Thanks! Not much power to be found in the NA cars. Just simple intake header and exhaust will help a bit. I’d rather see you spend that money combing through the brakes, suspension, tires, and fixing all the little bits! IMHO
@@RoadPatina thanks for responding bro! WhT brake kit do you have installed? Will it fit with my 15s on? You got a video on those? Lol
@@frnciscob1 they are Willwood BBK 6 piston front and 4 piston rear. There are more shots of them on my fist video when I purchased the car. Defiantly need bigger wheels to clear. I am on 18s not sure if 17s would clear. 15s not a chance!
I wanted to ask if the PPG gearset was a full syncho 1-5 or 1-4? But depending on when it was built, I think they have an updated design second gear for that.
I don’t recall. It was originally built long ago 5+ years. The fist owner said the PPG 2nd gear went out twice. It was going to cost the same to rebuild the 5mt as going 6speed. No brained for me!
Some one told me the 6spd axles need the 6spd hubs?
solid info you got there. So in order to free the clutch when pulling the transmission it is necessary to take off the clutch fork pin. I didn't know this when I pulled my engine, so I left the clutch and pressure plate attached to the transmission when I pulled my engine. This was an 02 WRX
What engine/trans where your original ? 02-05 WRX ?
360Sebastian360 yes, you must release the clutch fork! Engine and trans will not separate unless you do so. You probably did one flywheel bolt at a time? My trans was a 2002 WRX 5mt and block was a EJ257.
@@RoadPatina I did one flywheel bolt at a time. The the flywheel came out with the engine and the pressure plate and clutch stayed on the transmission
360Sebastian360 I was trying to visualize how you did it. That makes sense and glad it worked out. I put the release bearing on wrong and had to drop the trans again as it was not clicking into the pressure plate 🤦♂️
@@RoadPatina i had to pull the engine again because i did not properly install a little ring that came off of the pressure plate. this caused the clutch to not engage.
360Sebastian360 same ring caused my problem! Nothing on this car is ez for me.
What camera do you use to record ?
Mikeosaurous I use a cannon M50 with the kit lens. Looking to add a wider lens soon!
Hey man! I was told to do the same trick by a friend of mine. I am glad that your vid confirms it is working. My car is a 95' 4-door STI sedan. If I googled the right thing , my transmission is push type. I have several thing to figure out: 1/ where exactly is this little cap that needs to be removed 2/ what kind of bolts I need to purchase for the push type transmission and where from 3/ I am going to keep my cardan shaft and will cut it to fit the new gearbox. Do you see any problems with my setup and do you think this would work for my car, since my friends car was a WRX, not an STI ? Also can you assist me with finding online these bolts, I am really struglling with this part...
P.S. I bought the whole swap package from a legacy 3.0 6-speed : gearbox, 4x driveshafts, shifter and differential.
@2:35 you see the cap that needs to be removed with an Allen wrench. The next pic shows that you thread a 10mm bolt into the slide pin and pull it out. The shift fork will now drop. It’s right next to the shift fork on transmission. The shift Fork pivots on this slide pin. If your able to move your shift fork back and forth you should be able to see where it is pivoting on.
Sorry I don’t know about the driveshaft length you need. I had a wrx drive shaft that was longer than the sti driveshaft, because the sti transmission is longer.
@@RoadPatina I will have a look on Sunday, when I go to the garage. I saw another part which looked like a cap, but it was really hard and didnt have an entry for Allen wrench. Maybe I saw something else.
so did u use the original rear diff that was in the car?
R J the rear diff was out of a wrx. It’s a r160 and so far holding just fine, however, I don’t launch it.
@@RoadPatina I heard about using the rear diff was just curious was also told to use a auto drive shift but your sti driveshaft bolted up?I will be doing a 6speed also on my saabaru have the 6 speed trans already but only part I have. If you could go back would u have done the 6 speed clutch?
R J I NEVER want to pull the tranny again! I should have bit the bullet and bought an STI clutch kit. They are expensive! You need the shorter drive shaft as the 6spd tranny is longer. I don’t know if I had the sti or auto drive shaft or if there is a difference! Lmk if you need anything else. You got this!!!
EJ22 or EJ25 is the same as those or what?
Bottom end is ej257 USDM sti. Heads are ej205 USDM wrx.
Swapping over to 6 speed, does it require ecu tune or anything? Or just direct swap over and use?
Jiatao Liu I would get it tuned to be safe. The gear ratios change the rpm of the engine. Plenty of people don’t retune with the swap, but I need a tune anyway.
@@RoadPatina Do you have a link that elaborates more on why a re tune is good after swapping the transmission