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Old 06-04-2019, 05:37 PM   #2851
yamahaSHO
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Yes... The data posted tells you what's going on. It is running out of WGDC, struggling to hit target boost. There are not dips or drops from going under 100%, except for when I intentionally lift to shift.

If you're looking at the very intentional dips of me shifting (not using FFS), you're looking at the wrong thing.

EDIT:

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Old 06-04-2019, 07:13 PM   #2852
Scuby04STi
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Quote:
Originally Posted by yamahaSHO View Post
Yes... The data posted tells you what's going on. It is running out of WGDC, struggling to hit target boost. There are not dips or drops from going under 100%, except for when I intentionally lift to shift.

If you're looking at the very intentional dips of me shifting (not using FFS), you're looking at the wrong thing.

EDIT:

I was not talking about the wgdc/target boost that you posted this in reference to with wanting to switch to the 4 port. I was more so curious how that turbo likes to hold on shifts if you where actually flat footing it or at least keeping it in the upper end of the position range. It looks like you go under 20% so its clear you are not trying to hold it on the shift.
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Old 06-04-2019, 07:15 PM   #2853
yamahaSHO
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I was not flat foot shifting.
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Old 06-04-2019, 07:49 PM   #2854
Scuby04STi
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Quote:
Originally Posted by yamahaSHO View Post
I was not flat foot shifting.
LOL, yeah I can tell.
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Old 06-06-2019, 11:19 AM   #2855
yamahaSHO
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Anyone mount a 4-port to the stock EFR location with the Full-Race bracket on the *stock location* EFR setup? I know it's a tight fit in there, but I'd like to keep it in the same spot.

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Old 06-10-2019, 06:29 PM   #2856
Waddlz
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Count me in the "additional oil restrictor needed" group

switched to 15-50w for the summer and noticed the oil smell at idle was worse, and my wife told me she seen puffs of white smoke when I'd accelerate from idle.

i ordered a .065mm restrictor.
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Old 06-17-2019, 12:53 PM   #2857
Waddlz
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Installed the restrictor.

absolutely no oil smell now. and no white smoke from exhaust.
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Old 06-20-2019, 12:12 PM   #2858
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For fun, I ordered a -4AN Female To -4AN Male W/ 1/8 NPT Side Port since I have a Harbor Freight oil pressure gauge

I am curious what my oil pressure is at the turbo.
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Old 06-20-2019, 08:30 PM   #2859
1qukSti07
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Quote:
Originally Posted by Waddlz View Post
For fun, I ordered a -4AN Female To -4AN Male W/ 1/8 NPT Side Port since I have a Harbor Freight oil pressure gauge

I am curious what my oil pressure is at the turbo.
Are you putting the gauge post restrictor?
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Old 06-20-2019, 08:48 PM   #2860
Waddlz
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Quote:
Originally Posted by 1qukSti07 View Post
Are you putting the gauge post restrictor?
Yes

my first test is to put it with no restrictor, and then add the restrictor and see.
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Old 06-20-2019, 09:07 PM   #2861
1qukSti07
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I run a 40wt oil, and the 12mm pump (external oil cooler) and have no issues whatsoever with too much pressure at the turbo. I'm surprised to see so many who have oil getting past the seals!
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Old 06-20-2019, 09:08 PM   #2862
Waddlz
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Quote:
Originally Posted by 1qukSti07 View Post
I run a 40wt oil, and the 12mm pump (external oil cooler) and have no issues whatsoever with too much pressure at the turbo. I'm surprised to see so many who have oil getting past the seals!
I had a minor oil smell and some white smoke when running the 40wt

but the 50wt is worse. and so far its not returned. but I'd rather not starve the turbo just in case
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Old 06-20-2019, 09:14 PM   #2863
1qukSti07
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Be careful with the 50wt. We run relatively tight bearing clearances in these engines and they don't favor the thicker oil. I spun a rod bearing when I switched to 50wt, could be coincidence but the machine shop was thinking it was the culprit
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Old 06-20-2019, 11:11 PM   #2864
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Yeah I have no idea what my clearances are, because I didn't measure them when i assembled the short block.

but I used king standard bearings on my used crank, so who knows! if she blows, she blows
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Old 06-21-2019, 12:20 PM   #2865
yamahaSHO
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He's got like 25k miles on a motor that he slapped together. I think he's already happy with what he's gotten out of it.

Maybe I can blow it up next week though. :/
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Old 06-21-2019, 12:23 PM   #2866
Waddlz
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Quote:
Originally Posted by yamahaSHO View Post
He's got like 25k miles on a motor that he slapped together. I think he's already happy with what he's gotten out of it.

Maybe I can blow it up next week though. :/
can you not
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Old 06-21-2019, 12:30 PM   #2867
yamahaSHO
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I've already got my excuse lined up... It was the 50wt.
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Old 06-21-2019, 12:30 PM   #2868
yamahaSHO
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But... It'll be "conservative".
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Old 06-21-2019, 12:36 PM   #2869
1qukSti07
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Quote:
Originally Posted by yamahaSHO View Post
He's got like 25k miles on a motor that he slapped together. I think he's already happy with what he's gotten out of it.

Maybe I can blow it up next week though. :/
I'll be ecstatic if I get 25k out of this motor, and I measured the clearances mixing around STD and STDX shells until I was content lol! That's awesome mileage for a motor you tossed together

To get back on topic, my best quarter mile with this turbo was 11.5 at 122 on 26psi.





I'll go back in a few weeks when this motor is broken in and on my 30psi

Last edited by 1qukSti07; 06-21-2019 at 12:48 PM.
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Old 06-21-2019, 12:38 PM   #2870
yamahaSHO
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Quote:
Originally Posted by 1qukSti07 View Post
I'll be ecstatic if I get 25k out of this motor, and I measured the clearances mixing around STD and STDX shells until I was content lol! That's awesome mileage for a motor you tossed together

To get back on topic, my best quarter mile with this turbo was [email protected] on 26psi.

http://i68.tinypic.com/k4xv6v.jpg[/IMG]


I'll go back in a few weeks when this motor is broken in and on my 30psi
That's a good 60'. What turbo?

I am going to try and get an 11-sec pass up at Bandimere this year. I think I can do it on this 6758.
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Old 06-21-2019, 12:41 PM   #2871
1qukSti07
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EFR7163 with 0.85 v-band hotside. I launched it pretty hard to get that 1.6 60'
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Old 06-21-2019, 12:42 PM   #2872
Waddlz
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Quote:
Originally Posted by 1qukSti07 View Post
I'll be ecstatic if I get 25k out of this motor, and I measured the clearances mixing around STD and STDX shells until I was content lol! That's awesome mileage for a motor you tossed together

To get back on topic, my best quarter mile with this turbo was [email protected] on 26psi.





I'll go back in a few weeks when this motor is broken in and on my 30psi
Yeah dude, I literally measured nothing. not even the piston rings.

New case halves, Eagle rods, reused 55k mile crank, standard bearings and Manley graded B drop ins.

slapped it together. just crossed 25k miles last weekend.
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Old 06-21-2019, 12:45 PM   #2873
Thorium06
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So why are all of you adding restrictors? It says on this site that the EFRs have built in ones and you cannot use one with an EFR.. Im curious

https://www.full-race.com/store/borg...-6758-turbo-2/
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Old 06-21-2019, 12:51 PM   #2874
yamahaSHO
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Quote:
Originally Posted by 1qukSti07 View Post
EFR7163 with 0.85 v-band hotside. I launched it pretty hard to get that 1.6 60'
I thought I launched hard to get my 1.80 60', which net me a 12.4 on an 8,700 DA day and I wasn't hitting boost. I'll be more than happy if I can knock out an 11-second time up here with my little turbo.

Quote:
Originally Posted by Thorium06 View Post
So why are all of you adding restrictors? It says on this site that the EFRs have built in ones and you cannot use one with an EFR.. Im curious

https://www.full-race.com/store/borg...-6758-turbo-2/
Because oil is getting pushed through our turbo's. There are other references where, I believe BW, states that you can use a restrictor with higher oil pressures.
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Old 06-21-2019, 12:55 PM   #2875
Waddlz
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BW states the oil pressure spec.

Inlet oil pressure
(gage) is recommended to be at least 1bar (15psi) and not more than
4bar (60psi) under all “fully warmed-up” conditions.

I know at WOT I see at least 70 psi oil pressure measured at the end of the oil supply and that was with 40wt.
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