DIY Turbo Discussion greddy on a 1.8? homebrew kit?
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I want your spool data!

 
Old 01-05-2012, 08:32 PM
  #161  
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Engine: '90 1.6L w/ 190K miles
Turbo: Mitsubishi TD04-16G (Greddy Kit)
Manifold: Greddy Cast
Downpipe Size/Style: Greddy
Exhaust Size: 60mm (2.4")
Exhaust Components: Cobalt Performance Exhaust (Moss Motors) + Metallic High Flow Cat
Intercooler Core Size: No Intercooler
Intake Manifold: stock
Headwork: none
Engine Management: MSPNP9093
Other Spoolin' Helpers/Hurters: Closed Loop EBC, Porting of the Greddy Downpipe Inlet

FOURTH GEAR PULL:
RPM Boost (psi)
2000 1.01
2100 1.31
2200 1.60
2300 1.74
2400 2.18
2500 2.47
2600 2.61
2700 3.19
2800 4.06
2900 4.79
3000 5.95
3100 6.24
3200 6.82
3300 6.96
3400 7.98
3500 8.27
3600 8.56
3700 9.28
EBC Limited After 3700
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Old 01-06-2012, 02:53 AM
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Engine: '01 8.6:1 Supertech pistons
Turbo: GT2560, internal gate
Manifold: ETD shorty tubey, internal gate
Downpipe Size/Style: BEGI custom divorced 2.25" or 2.5" ?
Exhaust Size: 3"
Exhaust Components: FM hybrid cat (2.5" entrance, 3" rear), magnaflow rez, magnaflow 5x11x22"
Intercooler Core Size: TDR over the rad
Intake Manifold: '99 VICS stock
Headwork: mild Rebello, +1mm exhaust
Engine Management: AEM boost control and VVT, VVT not fine tuned for spool yet
Other spool helpers: cool weather, IAT = 17*C, slight boost leak from compressor O-ring

2320: 5 psi
2730: 10 psi
3100: 15 psi

Last edited by JasonC SBB; 01-06-2012 at 06:09 PM.
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Old 01-06-2012, 03:12 AM
  #163  
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Added my new data. 3rd earliest spool. PhilMD's data (2nd fastest) isn't at 4th gear on the street, it's on a dyno, which may produce a spoolier result.

VVT head got me like 250 RPM of spool.

Attached Thumbnails I want your spool data!-spool.gif  
Attached Files
File Type: xls
New Spool plots.xls (54.5 KB, 142 views)
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Old 03-06-2012, 08:31 PM
  #164  
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Resurrected

Engine: '04 1.8L VVT
Turbo: 2854 Chinacharger
Manifold: BEGi Cast "Directed Pulse"
Downpipe Size/Style: ARTech 3"
Exhaust Size: ARTech 3"
Exhaust Components: Magnaflow Muffler and High flow cat
Intercooler Core Size: 24"x12"x2.5"
Intake Manifold: Stock
Headwork: N/A
Engine Management: Megasquirt
Other Spoolin' Helpers/Hurters: N/A
Trans & Rear End Ratio: 5-speed, 4.3 LSD
Rear tire size: 195/50-15

FOURTH GEAR PULL:

RPM Boost(psi)
2250 2.5
2300 2.7
2400 3.2
2500 3.6
2600 4.2
2700 4.7
2800 5.2
2900 5.6
3000 6
3100 6.5
3200 6.7
3300 6.9
3400 7
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Old 05-21-2012, 10:55 PM
  #165  
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Engine: '94 1.8L totally stock
Turbo: GT2860RS with Tial .64 A/R turbine housing
Manifold: Custom equal length bottom mount tubular with a proper merge collector
Downpipe: Custom 3"
Exhaust Size: Custom 3"
Exhaust Components: Magnaflow Muffler, Metallic high flow cat
Intercooler Core Size: BEGi #2
Intake Manifold: Stock
Headwork: None
Engine Management: Link
Other Spoolin' Helpers/Hurters: 65F ambient temp, GReddy profec B boost controller
Trans & Rear End Ratio: 5-speed, 4.3 LSD
Rear tire size: 205/45/16

FOURTH GEAR PULL:

RPM Boost(psi)

1840 0.0
2014 2.0
2334 4.0
2607 6.0
2808 8.0
2950 10.0
3050 12.0
3145 14.0

I should also note that I have uncontrollable boost creep (past 20 psi) with this setup above 5500 rpm, even with a Tial 38mm wastegate mounted right to the collector :(
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Old 05-21-2012, 11:30 PM
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Originally Posted by mx592 View Post
I should also note that I have uncontrollable boost creep (past 20 psi) with this setup above 5500 rpm, even with a Tial 38mm wastegate mounted right to the collector :(
Dump tube?
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Old 05-22-2012, 05:27 AM
  #167  
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WG probably at right angles too...
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Old 05-22-2012, 09:23 AM
  #168  
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ohhhh i need to find a boost log of my t3 50 trim chinacharger compared to my t3 60 trim.
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Old 05-22-2012, 09:35 PM
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Originally Posted by Full_Tilt_Boogie View Post
Dump tube?
1-1/2" tube, probably about 24" long before it merges back into the 3" downpipe.
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Old 05-22-2012, 09:36 PM
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Originally Posted by JasonC SBB View Post
WG probably at right angles too...
What wastegate doesn't require the exhaust to abruptly change directions? The wastegate itself is a 90 degree angle.
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Old 05-22-2012, 09:53 PM
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Originally Posted by mx592 View Post
1-1/2" tube, probably about 24" long before it merges back into the 3" downpipe.
Id try not doing that.
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Old 05-23-2012, 12:11 AM
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Originally Posted by Full_Tilt_Boogie View Post
Dump tube?
Build motor and enjoy creep
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Old 05-23-2012, 01:05 PM
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Originally Posted by Full_Tilt_Boogie View Post
Id try not doing that.
VTA isn't really my thing.

I have a .86 Tial housing on order, I will try that first. It should be a pretty easy swap, given all the v-band connections!! I hate to lose my 14 psi at 3150 rpm spool, but if it works it will be a helluva lot easier than going to a 44mm wastegate, or twin wastegates, or anything else that requires extensive welding and fabrication.
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Old 06-15-2012, 03:32 PM
  #174  
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Engine: '99 1.8L 9.5:1 supertechs +1mm
Turbo: GT2560R
Manifold: ARTech™ Ramhorn Top Mount manifold
Downpipe Size/Style: 3.5" homemade
Exhaust Size: 3.5" homemade. no cat
Exhaust Components: Magnaflow 5x11x22 muffler
Intercooler Core Size: 550mm x 225mm x 64mm
Intake Manifold: stock
Headwork: none
Engine Management: Adaptronic E420c
Other Spoolin' Helpers/Hurters: EBC

FOURTH GEAR PULL:
RPM Boost (psi)
2576 3.33
2605 4.49
2701 6.67
2839 10.15
2926 11.89
3057 12.91
3176 15.09
Attached Thumbnails I want your spool data!-mtspool.gif  

Last edited by muoto; 06-15-2012 at 04:40 PM.
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Old 06-18-2012, 09:27 AM
  #175  
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wow that is an efficient setup right there. torque under curve must be insane. Got a dyno plot?
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Old 06-18-2012, 07:31 PM
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Originally Posted by 18psi View Post
wow that is an efficient setup right there. torque under curve must be insane. Got a dyno plot?
Thereís one in my build thread but my wastegate was leaking during that dyno run... nevertheless with 14.5psi boost it made 265lbs around 4K so Iím happy.
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Old 06-18-2012, 11:13 PM
  #177  
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that car is just BEGGING for a 2871 and custom Intake mani
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Old 06-19-2012, 10:24 PM
  #178  
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Engine: '95 1.8L
Turbo: GT2860RS
Manifold: ARTech FM replacement manifold
Downpipe Size/Style: 3"
Exhaust Size: 3"
Exhaust Components: resonator & Magnaflow Muffler
Intercooler Core Size: Old Style FM
Intake Manifold: Stock
Headwork: 99 head 3angle, backcut
Engine Management: MS3x
Other Spoolin' Helpers/Hurters: Toyota COPs, EBC, intake timing gear
Trans & Rear End Ratio: 6-speed, 3.636 LSD
Rear tire size: 205/50-15

FIFTH GEAR PULL:

RPM Boost(psi)
2893 .3
2904 1.0
3006 3.5
3106 5.0
3316 6.5
3510 8.3
3719 10.1
3943 14.9
4038 15.5
4211 18.2
4307 20.0

I wanted to post my values before tuning my EBC. I'm honestly not very happy with the results. I expected to be at 20psi before 4k. I guess the smaller wheel of the 2860rs is offset by the .84 exhaust housing vs the .64 of the china 2870.

AFTER EBC tune:
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Old 06-20-2012, 12:26 AM
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Can we add another field to this survey? Altitude. I've been trying to research altitude vs spool loss and I haven't had much results. Soon enough I should have datalogs for where I live (7200 ft elevation) vs Albuquerque (5200 ft) - but I'm more curious of the differences between sea level vs 7k+ feet.
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Old 06-21-2012, 04:10 PM
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***Edit: I found a couple days after posting this data that my wastegate was loose...really loose. Retuning for what will hopefully be greatly improved spool and will post new results when I get them.


Still working on the tune, but I don't think I'm going to get spool times down much more due to the crappy manifold and dp, no matter how much timing I throw at it. So here it is.

Engine: '92 1/6L
Turbo: EvoIII 16g (Genuine Mitsubishi)
Manifold: eBay/OBX log
Downpipe Size/Style: eBay/OBX 2.5"
Exhaust Size: 2.5"
Exhaust Components: No cat, 14x9 Magnaflow
Intercooler Core Size: 19x10x2.5"
Intake Manifold: Stock
Headwork: Nope
Engine Management: Galant VR4 ecu & ECMLink
Other Spoolin' Helpers/Hurters: Ummm...eBay manifold and dp
Trans & Rear End Ratio: Stock 5-speed/4.3
Rear tire size: 205/50-15

4th Gear Pull, flat footed it at about 2K rpms but I'm in vac until roughly 3400 so that's where the data starts here.

3444 0.1
3544 0.4
3655 0.6
3754 1.3
3854 1.3
3955 1.5
4045 1.8
4144 2.5
4257 3.2
4366 4.4
4454 5.5
4551 6.7
4641 7.9
4741 8.8
4864 10.2
4954 10.9
5054 11.7
5137 11.9
5245 11.2
5350 11.2
5372 11.4
5466 11.4
5597 11.4
...

Attached Thumbnails I want your spool data!-4th-gear-pull-6-20-12.jpg  

Last edited by matthewdesigns; 06-22-2012 at 10:23 PM.
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