Terminator2

Yes but I was not on E-47

nathan112i

i have a feeling going from the K04R to the new ZFR is going to be a real treat

TC/DC

What peak MAF have you seen on E47?

09CobaltSS1

Fair enough. So then you clearly must have stock turbo cars on e47 running faster then that I assume.

09CobaltSS1

You won't see much more than 36-37lbs/min on e47, just like 93. E47 doesn't make the turbo flow more air or more efficiently.

Jn2

iTrader: (1)

Term tuned by solstice and I believe we peaked 36.3lbs/min on the stock k04. Mods are in signature

Terminator2

Should be a big difference you just need better gas so I can get more than 10* of timing out of it.

08VRSS

Theres nothing to break in on a journal bearing turbo. This is not seating piston rings, the compressor and turbine common shaft that go through the CHRA are supported by a thin film of oil in the journal bearing in this particular turbo and most others. Only thing to do is prime it on first start and let it idle for like 10 minutes making sure nothing leaks. There, its "broken in". My ZFR which is ball bearing i also just primed, idled, checked for leaks, went out logging right after and dialed in the tune. I've done this on around 20 different turbo setups on cars I've personally owned, no issues.

KMO43

Then why do journal bearing turbos spool faster after they are broken in?

08VRSS

There nothing to break in dude, nothing makes contact with anything to break in anything, its a journal bearing.

KMO43

Well after a break in period my turbo spooled way better the clearances were super tight when I first got it.

09CobaltSS1

Journal bearings do need a slight wear-in period so to speak, but not so much a break-in period. Just like doing a cam swap. The journal bearings and other components need time to wear-in and create a permanent home. You're really both right on the matter, you're just playing semantics with each other.

TC/DC

My last & final question . is 380-400whp attainable with the K04R on E47?

nathan112i

i could see up to 380 but 400 is probably out of the question with how small the turbine/housing is

YelCal7

iTrader: (1)

It's possible your car can go 400 horsepower if you do Equinox camshafts swap with upgrade fuel lobe.

Terminator2

Maybe but I still doubt 400whp that's ZFR territory and the ZFR is a much larger turbo than the K04R.

63 Nova SS

iTrader: (3)

I will probably dyno later in the summer on the k04+ on e47 and my hope would be 370hp 375 if it was happy that day. Idk if anything over 380 would be possible on the r unless it's a high reading dyno or you are spiking stupid boost levels. Those numbers mean nothing to me other than bragging to my v8 buddies. The only thing that really matters is planting and using that power. Kills me the guys who brag about all the hp their cars have that just spin the tires forever, or traction control kicks in and limits them to 300 hp when they say they have 500. 0-60, 1/4 mile, 60-100 times are all that matters. My 2 cents

KMO43

Taylor puts down the power and he just dynoed at 650whp

63 Nova SS

iTrader: (3)

Sorry I don't know who Taylor is, im guessing he runs in the 10's in the 1/4 on street tires? Or are we talking about a race car running race slicks? Just curious.

Snail_SS

iTrader: (3)

I think taylor is infraredline and hes running a ion redline

KMO43

Yes

63 Nova SS

iTrader: (3)

Yeah that's a lot of car. Don't know how he hooks that much power up.

Snail_SS

iTrader: (3)

Idk either but his car sure looks amazing and i would never expect that much power from a redline to be honest lol

nathan112i

proper suspension setup and Toyo R888s help

Terminator2

Only tuned one stock turbo faster than 4.0X 60-100. It has cams though and full E-85 25.5* timing 24psi and ran 3.82 60-100.