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Old 01-20-2016, 08:45 AM   #1021
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Quote:
Originally Posted by RalliartRsX View Post
That extra displacement is somewhat offset by how poorly the head flows compared to a S14SR for instance, so who knows. It may have similar results to the SR (or it may not)
Quote:
Originally Posted by KAT-PWR View Post
Do you have any data to support this? (Not trying to start a KA/SR debate)

IIRC the KA head actually outflows the SR-DE heads almost everywehre that I've looked.



Quote:
Originally Posted by Rb26kouki View Post
Built KA24DE (forged)

Gtx2867r .64
Tial mvs
Sard 850cc
JWT S1 cams
JWT ECU
Lighting MAF

Will update soon

I wonder if the .86 housing will help that 2.4 out?
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Old 01-20-2016, 09:28 AM   #1022
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Cody, looking up the numbers (after I posted the response above) you are correct! I just never updated my original post, but I will update and post flow numbers here!

Here is what I saved

KA24DE Head flow numbers

Quote:
Intake:
Valve Lift / CFM
.100" = 120.2
.200" = 195.4
.300" = 253.3
.400" = 279.2
.500" = 283.6

Exhaust:
.100" = 110.5
.200" = 165.3
.300" = 187.7
.400" = 197.4
.500" = 200.6
SR20DET

Quote:
intake test at 28in H2O, temp 88deg F
SR20DET
Lift CFM
.060 43.4
.080 60.7
.120 92.9
.180 134.5
.260 175.6
.340 192..3
.440 201.8
.460 202.3
.480 203.5
.500 203.6


exhaust test at 28in H2O, temp 95deg F

Lift CFM
.100 41.1
.140 75.0
.200 98.2
.240 106.5
.280 110.2
.360 113.0
.440 114.3
.480 114.7
.500 114.9
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Old 01-20-2016, 10:21 AM   #1023
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I did my own digging ironically enough yesterday during my physics class haha, came up with the same info. Working on porting my KA head recently
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Old 01-20-2016, 10:32 AM   #1024
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By looking at those number looks like the .86 would be a better match for the KA I'll see if I can get my hands on a .86 turbine housing as well & give both a try.
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Old 01-20-2016, 10:36 AM   #1025
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If I remember correctly, the .84 T25 flows similar to the .63 T3??

If that's the case, yeah, a T25 would be an option....although I would personally opt for the 0.63 T3 housing option.
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Old 01-20-2016, 12:59 PM   #1026
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My KA has seen mostly .63 a/r t3's or close and that seems to be favorable.
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Old 01-20-2016, 01:12 PM   #1027
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Quote:
Originally Posted by KAT-PWR View Post
My KA has seen mostly .63 a/r t3's or close and that seems to be favorable.
I know its 2 extra cyl but i had a 3076r .63AR on my bone stock rb25det and it responded very well, made about 14 psi at around 3100 and 22 psi at 3700-4000rpm. until i got my nt05's 2nd and 3rd gear would roast my 595 ss
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Old 01-22-2016, 06:34 AM   #1028
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CA20DET with 264/272 poncams + GTX2867r

0.64
or
0.86

?
asking for a friend, hes ready to order
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Old 01-22-2016, 06:58 AM   #1029
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.64, he doesn't have the extra displacement for the .8x.
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Old 01-23-2016, 07:54 PM   #1030
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Has anyone used T25 Plus housing from atp turbo for there Gt2871R or Gtx?

Its a T25 flange but flows like a T3. Is it worth the upgrade for $300 bucks when your shooting for 380whp give or take
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Old 01-23-2016, 08:54 PM   #1031
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That quote is a marketing ploy,
Flows like a t3 part. And the standard gt2871r should make 380hp easy most people have problems making 400 though.

The answer to the 1st question is yes.

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Old 01-24-2016, 12:18 AM   #1032
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Can anyone measure how much room is left behind the sr20 head? My waste gate is behind the manifold. Im trying to figure out if it will work. Im also using the top port for the electronic boost controller.







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Old 01-24-2016, 04:15 PM   #1033
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You should be good. I havent measured, but that looks like it will fit, it will be super close, but should be ok.
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Old 01-24-2016, 05:37 PM   #1034
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Use a 90° etc. or banjo fitting to make the return back towards the bay a lil easier on the hoses, maybe?

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Old 01-24-2016, 05:46 PM   #1035
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you could probably use a tape measure and measure the distance from the bolt hole for the engine mount on the crossmember, to the firewall. And then measure from the stud on the actual engine mount, the one currently on your engine, and see where youre at
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Old 01-24-2016, 05:48 PM   #1036
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why not use the side port?
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Old 01-24-2016, 06:25 PM   #1037
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Quote:
Originally Posted by Javi802 View Post
you could probably use a tape measure and measure the distance from the bolt hole for the engine mount on the crossmember, to the firewall. And then measure from the stud on the actual engine mount, the one currently on your engine, and see where youre at
This is a great idea!
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Old 01-24-2016, 08:17 PM   #1038
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Quote:
Originally Posted by cotbu View Post
Use a 90° etc. or banjo fitting to make the return back towards the bay a lil easier on the hoses, maybe?

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Great idea! worst case ill just do this.

Quote:
Originally Posted by Javi802 View Post
you could probably use a tape measure and measure the distance from the bolt hole for the engine mount on the crossmember, to the firewall. And then measure from the stud on the actual engine mount, the one currently on your engine, and see where youre at
Thank you Ill give this a try.

Quote:
Originally Posted by huffandpuff00 View Post
why not use the side port?
Can I? Lol. I dont know shit about waste gates. Tial instruction just said the top is only electronic. If I can use the top side port then that will help me even more.
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Old 08-26-2016, 11:13 AM   #1039
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Another GTX2867 .64 reporting in.

403whp 365ft/lbs @19psi and 7700 rpm rev limit. (pump gas 93 octane)

S14Sr20det
JWT S4HL cams
Tial 38mm wastegate on stock manifold
740 hks injectors
ARP Head Studs
Cometic Headgasket
350z transmisson

Car feels fantastic and pulls all the way to redline. Cams are really a must with this turbo. I was at 21psi prior to the cams and was making 375whp so this was a very significant upgrade.

-Lou
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Old 08-26-2016, 11:14 AM   #1040
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Quote:
Originally Posted by loucal View Post
another gtx2867 .64 reporting in.



403whp 365ft/lbs @19psi and 7700 rpm rev limit. (pump gas 93 octane)



s14sr20det

jwt s4hl cams

tial 38mm wastegate on stock manifold

740 hks injectors

arp head studs

cometic headgasket

350z transmisson



car feels fantastic and pulls all the way to redline. Cams are really a must with this turbo. I was at 21psi prior to the cams and was making 375whp so this was a very significant upgrade.



-lou


jwt s4hl ftw
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Old 08-26-2016, 11:19 AM   #1041
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Love seeing results like this Great stuff!!


Quote:
Originally Posted by loucal View Post
Another GTX2867 .64 reporting in.

403whp 365ft/lbs @19psi and 7700 rpm rev limit. (pump gas 93 octane)

S14Sr20det
JWT S4HL cams
Tial 38mm wastegate on stock manifold
740 hks injectors
ARP Head Studs
Cometic Headgasket
350z transmisson

Car feels fantastic and pulls all the way to redline. Cams are really a must with this turbo. I was at 21psi prior to the cams and was making 375whp so this was a very significant upgrade.

-Lou
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Old 08-26-2016, 11:24 AM   #1042
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Quote:
Originally Posted by loucal View Post
Another GTX2867 .64 reporting in.



403whp 365ft/lbs @19psi and 7700 rpm rev limit. (pump gas 93 octane)



S14Sr20det

JWT S4HL cams

Tial 38mm wastegate on stock manifold

740 hks injectors

ARP Head Studs

Cometic Headgasket

350z transmisson



Car feels fantastic and pulls all the way to redline. Cams are really a must with this turbo. I was at 21psi prior to the cams and was making 375whp so this was a very significant upgrade.



-Lou


What ecu ?
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Old 08-26-2016, 11:32 AM   #1043
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AEM EMS V1 with 3.5 bar map. The only downfall of the V1 is that it cant quite control my VTC so that might be a reason to upgrade at some point as id like to have it and got my cams made specifically to keep it.
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Old 08-26-2016, 11:58 AM   #1044
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Quote:
Originally Posted by loucal View Post
Another GTX2867 .64 reporting in.

403whp 365ft/lbs @19psi and 7700 rpm rev limit. (pump gas 93 octane)

S14Sr20det
JWT S4HL cams
Tial 38mm wastegate on stock manifold
740 hks injectors
ARP Head Studs
Cometic Headgasket
350z transmisson

Car feels fantastic and pulls all the way to redline. Cams are really a must with this turbo. I was at 21psi prior to the cams and was making 375whp so this was a very significant upgrade.

-Lou
This is fantastic.
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Old 08-26-2016, 12:15 PM   #1045
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Those S4 cams are no joke!
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Old 08-26-2016, 01:15 PM   #1046
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I've got a used set of S4 cams if your looking!
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Old 08-26-2016, 01:25 PM   #1047
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So you did figure out it works with the s14 SR?
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Old 08-26-2016, 01:28 PM   #1048
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No I bought brand new ones from JWT and had them drill them to retain VTC. So I still have the ones I got off of you if you know anyone interested.
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Old 08-26-2016, 05:12 PM   #1049
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Quote:
Originally Posted by loucal View Post
Another GTX2867 .64 reporting in.

403whp 365ft/lbs @19psi and 7700 rpm rev limit. (pump gas 93 octane)

S14Sr20det
JWT S4HL cams
Tial 38mm wastegate on stock manifold
740 hks injectors
ARP Head Studs
Cometic Headgasket
Thank you for finally contributing some S4 dyno results to the forum!
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Old 08-26-2016, 06:33 PM   #1050
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Is there a graph some where that I missed or something. That torque looks like it was sacrificed to gain hp. I want to see the birth certificate....in mean graph!

All hail the mighty s4hl...


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