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Ko4 vs is38 gti

Hoon

Hoon

Autocross Champion
Location
Rhode Island
Pretty sure a strong IS20 car would pull most K04s. IS38 it's not even a race.
 
Twist1

Twist1

Autocross Newbie
Location
Breaking Mustang Hearts
bluekid99 said:
ive raced a ko4 with my is38...it was no competition...cant provide whether it was driver error or what but it was a slaughter by my is38
Click to expand...

How you liking the new turbo smart bov? Notice a difference? Thinking about getting the dv version once hybrid bt
 
B

bluekid99

Drag Race Newbie
Location
Pennsylvania
Twist said:
How you liking the new turbo smart bov? Notice a difference? Thinking about getting the dv version once hybrid bt
Click to expand...

Honest compared to the forge BOV its a night and day difference...you dont hear it unless really on it...but it holds boost very well...id say pretty on par with the stock DV...i'd recommend it all day
 
C

cdubbgti911

Ready to race!
Location
Hoosier Daddy
I know it's not necessarily a "vs" but I'm comparing my is38 GTI to my previous mk6 ko4 GTI and holy smokes there is a huge difference up top. The video is just before the kickdown switch, so pedal is not 100% all the way to the ground and I don't let the shifts go much into redline...This video was when I was still breaking in the car. (I installed IE rods/pistons for my mk7) These is38 turbos pull strong for an OEM turbo. For comparison I have an old video of my mk6 ko4 doing a 60-145mph pull.
Mk7 80-140mph ~13-14 seconds
Mk6 80-140mph ~19-20 seconds

Mk7 video:
https://m.youtube.com/watch?v=C-QhhOn0R_E


Mk6 video:
https://m.youtube.com/watch?v=tjN4Uu4GsX0


I literally just copied and pasted this from the mk6 gti forum. Here's a link to that thread:
https://www.golfmk6.com/forums/showthread.php?t=113877
 
P

psychonosspaz

Go Kart Champion
Location
PNW
cdubbgti91 said:
I know it's not necessarily a "vs" but I'm comparing my is38 GTI to my previous mk6 ko4 GTI and holy smokes there is a huge difference up top. The video is just before the kickdown switch, so pedal is not 100% all the way to the ground and I don't let the shifts go much into redline...This video was when I was still breaking in the car. (I installed IE rods/pistons for my mk7) These is38 turbos pull strong for an OEM turbo. For comparison I have an old video of my mk6 ko4 doing a 60-145mph pull.
Mk7 80-140mph ~13-14 seconds
Mk6 80-140mph ~19-20 seconds

Mk7 video:
https://m.youtube.com/watch?v=C-QhhOn0R_E


Mk6 video:
https://m.youtube.com/watch?v=tjN4Uu4GsX0


I literally just copied and pasted this from the mk6 gti forum. Here's a link to that thread:
https://www.golfmk6.com/forums/showthread.php?t=113877
Click to expand...

Curious how much the pistons and rods cost for both parts and labor? Also, why did you do it?
 
nkresho

nkresho

suck, squish, bang, blow
Location
Pittsburgh
Car(s)
2022 Q3
I had k04 on my mk5, running Apr tune . No comparison to is38. You'd be better off comparing to an is20. Stage 2 is20 is as fast, if not faster than a previous generation with the k04.

My car is night and day from my mk5. Different league.

Mk5 was also running pre and post throttle body meth with a twintercooler, intake, turboback, and the 100oct file.

Sent from my SM-T580 using Tapatalk
 
D

dlau9

Go Kart Champion
Location
Canada
nkresho said:
I had k04 on my mk5, running Apr tune . No comparison to is38. You'd be better off comparing to an is20. Stage 2 is20 is as fast, if not faster than a previous generation with the k04.

My car is night and day from my mk5. Different league.

Mk5 was also running pre and post throttle body meth with a twintercooler, intake, turboback, and the 100oct file.

Sent from my SM-T580 using Tapatalk
Click to expand...

K04's with bolts ons and slicks run mid to low 12's which is about the same as a well tuned and similiar mk7 is20 with bolt ons on pump gas.

Mod for mod a IS20 can and will take a K04 more often then not.
 
C

cdubbgti911

Ready to race!
Location
Hoosier Daddy
psychonosspaz said:
Curious how much the pistons and rods cost for both parts and labor? Also, why did you do it?
Click to expand...

I did the Rods/Pistons because one of my pistons failed. Had a small hole in one of the pistons. I did quite a few mods when I decided to do the repair. So for the rods/pistons, APR intercooler, is38 turbo, ECS turbo blanket, APR inlet pipe, APR carbonio intake pipe, APR Pendulum mount, APR DSG tune, essentially all my mods in my sig minus APR intake/Downpipe I spent roughly ~9-10k with labor. I decided to get all the work done together when doing the repair so I would have something to look forward to after spending a lot of money. I believe it would have been ~5-6k with just the rod/pistons repair with labor.
 
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