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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 09-14-2010, 06:15 PM   #141
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Engine: '92 1.6L
Turbo: 2871R 0.86
Manifold: Lovefab hybrid long/short runner tubular
Downpipe Size/Style: lovefab 3"
Exhaust Size: 3"
Exhaust Components: high flow cat, magnaflow muffler (straight through 14")
Intercooler Core Size: 25x2.5x6.5
Intake Manifold: Stock
boost level 9.5 psi

Engine Management: AEM ems with ID 750;s

tire size: 195/50/15

2000 -2.2psi
2200 -2.1
2700 0.9
3200 2.6
3600 4.1
3800 4.8
4000 5.2
4200 6.0
4400 6.5
4600 8.0
4650 9.5
4900 9.5
6000 9.5
7100 9.5

when i run ebc, the boost spools muuuuch harder.
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Old 09-15-2010, 01:22 PM   #142
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Engine: '99 1.8L, Wiseco (8.8:1), Carillo, 1mm Over Valves, 1mm Overbore, lots of port work.
Turbo: 2560
Manifold: Early FMII Cast Manifold
Downpipe Size/Style: Early FMII Downpipe with slip joint.
Exhaust Size: 2.5??
Exhaust Components: FM Turbo Duals
Intercooler Core Size: Small early FMII Kit IC
Intake Manifold: Port matched stock.
Boost level: 200kpa

Engine Management: Autronic SM4

Tire size: 205/45/15, 5-Speed with 3.909 Final Drive

Run was in 3rd gear, rolled onto the throttle at an indicated 2500, log says I wasn't WOT until 2800.

2832 117.0
3000 138.2
3250 163.2
3427 187.8
3534 197.5
3635 201.4
3877 197.0
4023 193.8

The rest of the way up the revs boost wanders between mid to high 190's. It was a tuning run that I thought was good enough to post. I've added a bit of fuel, and I might bump up my boost offsets just a hair. And of course this run was performed on a private closed course.

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Old 10-26-2010, 08:45 AM   #143
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Engine: Stock '99 1.8
Turbo: Chinacharger 2560 compressor .60 a/r turbine .64 a/r
Exhaust: Ebay S4 knockoff
2 1/2 downpipe
Borla Sport muffler
no cat
FMIC: 18x12x3
Intake Manifold: Stock
Engine Management: EMB, RX7 460cc
Boost Level: 12.5 psi
Boost control: Turbosmart Boost Tee
Tire size: 205/45/16

Forth Gear pull :
2,836 - 3.48 psi
2,926 - 5.51
3,048 - 7.68
3,188 - 9.93
3,272 - 10.66
3,385 - 12.04
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Old 11-27-2010, 10:56 PM   #144
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Engine: Stock 1991 / 1.6L
Turbo: GT2554
Exhaust: 3" SSGDP, FM Cat, FM Dual
FMIC: Old begi (small w/convoluted tubing)
Intake Manifold: Stock
Engine Management: MS2, RX7 460cc
Boost Level: 8psi
Boost control: 5-8psi can, removed MBC due to overboost in cold
Tire size: 195/50/15
Ambient air temp: 45*F

4th Gear Pull:
1835 - 0 psi
2036 - 1.956 psi
2245 - 3.231 psi
2437 - 4.492 psi
2644 - 5.840 psi
2832 - 7.144 psi
2999 - 7.275 psi
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Old 11-30-2010, 07:27 PM   #145
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Engine: '99 1.8L, Wiseco (8.8:1), eagle h-beam 1mm
Head porting
Turbo: td05-16g from EVO IX twin scroll
Manifold: Custom tubular
Downpipe Size/Style: 3"
Exhaust Size: 3"
Intake Manifold: Custom with short runners
Boost level: 280kpa
Engine Management: DIYPNP

Tire size: 215/40/17, rx7 fc tranny with 4.1

2500 - ????
3000 - 18 psi
3300 - 25 psi
3500 - 28 psi (max)

The spool is even better than a friends td04 and the pulls are with 4th gear.

Last edited by gianic; 12-01-2010 at 08:13 PM.
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Old 12-01-2010, 02:58 AM   #146
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Quote:
Originally Posted by gianic View Post
pulls are with 5th gear.
Can't follow the rules? 1:1 gear, please, or don't post your data.
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Old 12-01-2010, 08:13 PM   #147
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Quote:
Originally Posted by Savington View Post
Can't follow the rules? 1:1 gear, please, or don't post your data.
fixed
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Old 01-12-2011, 06:29 PM   #148
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Engine: 1995 1.8L
Turbo: SR20 T25
Manifold: begi cast
Downpipe Size/Style: 2.5", 1.5" diverted wastegate
Exhaust Size: 2.5"
Exhaust Components: catless, enthusa exhaust (magnaflow straight through)
Intercooler Core Size: 28"x5.5"x2.5"
Intake Manifold: Stock
Headwork: stock
Engine Management: Megasquirt PnP
Other Spoolin' Helpers/Hurters: GM EBC, minor boost leak at bov and throttle body shaft
Trans & Rear End Ratio: stock 5-speed, stock open diff
Rear tire size: 205/50/15

FOURTH GEAR PULL:

RPM Boost(psi)
1866 0.000
1993 1.015
2045 1.451
2108 1.886
2157 2.176
2201 2.612
2258 3.337
2298 3.482
2356 3.772
2416 4.208
2457 4.788
2508 5.659
2558 5.659
2612 5.949
2652 6.384
2731 7.255
2816 8.271
2873 8.416
2933 9.867
2959 10.157
3013 11.609
3079 11.609
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Old 02-09-2011, 04:51 PM   #149
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Engine: '91 1.6L
Turbo: T3 60 .48 A/R exhaust turbine housing
Manifold: tacotaco cast iron
Downpipe Size/Style: Single tube 2.5
Exhaust Size: 2.5"
Exhaust Components: Flowtech Warlock Muffler
Intercooler Core Size: No Intercooler
Intake Manifold: Stock
Headwork: None
Engine Management: Megasquirt2
Other Spoolin' Helpers/Hurters:
Trans & Rear End Ratio: 5-speed, 4.3 open
Rear tire size: 185\65R14

FOURTH GEAR PULL:

RPM Boost(psi)
2253 1.37
2303 1.66
2400 1.92
2507 2.37
2602 2.85
2706 3.5
2805 4.17
2919 5.17
3005 6.01
3098 6.7
3216 6.94
3300 7.46
3425 7.58
3500 7.59
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Old 03-14-2011, 12:43 AM   #150
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Engine: '90 1.6L
Turbo: 16g evo III clipped/ported IWG
Manifold: modified log
Downpipe Size/Style: 2.5"
Exhaust Size: 3"
Exhaust Components: metal cat 2.5" in 3" out, stainless glasspack
Intercooler Core Size: stock SRT4 not sure of size
Intake Manifold: Stock
Headwork: None
Engine Management: 90 93 pnp
Other Spoolin' Helpers/Hurters: 4lb wastegate can, mbc
Trans & Rear End Ratio: 5-speed, 3.90 torsen
Rear tire size: 195 50 15

FOURTH GEAR PULL:
rpm psi
2000 .5
2500 3
3000 4.5
3500 7
4000 11.5


in the middle of tuning with a new fuel pump. max boost is currently 11.5. I used to have a 14lb WG can and boost came on earlier, but I like having more adjustability even if it blows open the door and sacrifices spool down low. making more boost at lower rpm doesn't seem to make any difference in torque. it comes on pretty strong between 3500 and 4000rpm though.
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Old 04-03-2011, 06:18 PM   #151
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Engine: '95 1.8L
Turbo: 2554R
Manifold: FM cast (old)
Downpipe Size/Style: 2.5" FM (old)
Exhaust Size: 2.5"
Exhaust Components: old FM for a 1.6, FM cat
Intercooler Core Size: CX Racing 28x7x2.5 (ebay)
Intake Manifold: Stock
Headwork: None
Engine Management: MS1
Other Spoolin' Helpers/Hurters: 8lb wastegate can, mbc, Toyota COPs
Trans & Rear End Ratio: stock
Rear tire size: 205 50 15

FOURTH GEAR PULL:
RPM Boost
1785 0.145
1927 1.16
2105 2.61
2189 3.48
2282 4.35
2389 5.08
2496 6.24
2618 7.54
2663 8.42
2745 9.14
2804 10.01
2877 11.03
2950 11.89
3025 12.62
3099 13.35
3170 13.93
3272 14.22
3340 14.65

Last edited by guzerone; 04-03-2011 at 06:24 PM. Reason: adding COPs
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Old 04-27-2011, 03:34 PM   #152
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Engine: '99 1.8L
Turbo: GT2560R
Manifold: ARTech, short tubular
Downpipe Size/Style: 3" separated gasses, WG recircs 20" ish down the pipe
Exhaust Size: 3" ARtech stuffs
Exhaust Components: 1 x magnaflow straighthru
Intercooler Core Size: 11"x11"3"
Intake Manifold: Stock
Headwork: Stock
Engine Management: DIYPNP
Other Spoolin' Helpers/Hurters: High flow cat in exhaust
Trans & Rear End Ratio: 5-speed, 3.9 LSD
Rear tire size: 225/45-15

EBC undershoots a little when I go WOT that low in the gear, but here's my contribution to chickenscratch.jpg

FOURTH GEAR PULL:

2000 1.07
2100 2.08
2200 3.57
2300 4.76
2400 6.01
2500 6.73
2600 7.36
2700 7.82
2800 8.51
2900 9.63
3000 11.02
3100 12.87
3200 13.64
3300 14.65
3400 15.39
3500 15.81


Last edited by aaronc7; 04-28-2011 at 12:58 AM.
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Old 05-08-2011, 03:16 PM   #153
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Engine: 1994 1.8L
Turbo: Garrett T28 from Pulsar GTI-R
Manifold: Flyin Miata Cast FM2
Downpipe Size/Style: BEGI Seperated Gasses with 3" exit with dumped WG pipe
Exhaust Size: 2.5"
Exhaust Components: 2.5"
Intercooler Core Size: 550x225x65 mm
Intercooler Plumbing Size: 2.25"
Intake Manifold: Stock
Headwork: stock
Engine Management: MSPNP
Other Spoolin' Helpers/Hurters: Stupid little K&N
Trans & Rear End Ratio: '94 5 speed, TorSen diff
Rear tire size: 195/50r15

FOURTH GEAR PULL:

RPM Boost(psi)
2350rpm 0psi
2520rpm 1.1 psi
2643rpm 2.0 psi
2894rpm 3.9 psi
3200rpm 6.2 psi
3368rpm 8.1 psi
3600rpm 10.0 psi
3868rpm 12.4 psi
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Old 12-16-2011, 08:53 PM   #154
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Quote:
Originally Posted by Techsalvager View Post
Engine: '91 1.6L
Turbo: T3 60 .48 A/R exhaust turbine housing
Manifold: tacotaco cast iron
Downpipe Size/Style: Single tube 2.5
Exhaust Size: 2.5"
Exhaust Components: Flowtech Warlock Muffler
Intercooler Core Size: No Intercooler
Intake Manifold: Stock
Headwork: None
Engine Management: Megasquirt2
Other Spoolin' Helpers/Hurters:
Trans & Rear End Ratio: 5-speed, 4.3 open
Rear tire size: 185\65R14

FOURTH GEAR PULL:

RPM Boost(psi)
2253 1.37
2303 1.66
2400 1.92
2507 2.37
2602 2.85
2706 3.5
2805 4.17
2919 5.17
3005 6.01
3098 6.7
3216 6.94
3300 7.46
3425 7.58
3500 7.59
Engine: '91 1.6L
Turbo: T3 60 .48 A/R exhaust turbine housing
Manifold: tacotaco cast iron
Downpipe Size/Style: Single tube 2.5
Exhaust Size: 2.5"
Exhaust Components: Just downpipe
Intercooler Core Size: Stock Evo 8 FMIC
Intake Manifold: Stock
Headwork: None
Engine Management: Megasquirt2
Other Spoolin' Helpers/Hurters: MS2 EBC
Trans & Rear End Ratio: 5-speed, 4.3 open
Rear tire size: 185\65R14

FOURTH GEAR PULL:

RPM Boost(psi)
2243 1.92
2296 2.22
2398 2.83
2500 3.38
2599 3.90
2717 4.64
2803 5.28
2914 6.24
3005 7.05
3093 8.04
3233 9.40
3311 10.04
3424 11.23
3500 12.20
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Old 01-04-2012, 01:41 AM   #155
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Engine: '95 1.8L
Turbo: Borg Warner EFR 6258
Manifold: Custom short stainless tubular
Downpipe Size/Style: Custom 3 inch
Exhaust Size: 3 inch
Exhaust Components: 5x11x22 "Biggest" magnaflow
Intercooler Core Size: Precision 600 hp, 31.50L x 8.00H x 3.50D
Intake Manifold: Stock
Headwork: none
Engine Management: diypnp
Other Spoolin' Helpers/Hurters: wastegate pressure, NO EBC or MBC
Trans & Rear End Ratio: 5-speed, 4.1 open
Rear tire size: 195/60R14

FOURTH GEAR PULL:

RPM Boost(psi)
1954 .304
2107 2.07
2206 3.21
2311 4.22
2428 5.55
2543 6.67
2602 7.25

Right above the 7.25 psi the wastegate starts to open, so in the log boost tapers off. I'm out of town until sunday, but when I get back I might readjust the wastegate to get some data up to about 10 psi.
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Old 01-04-2012, 02:55 AM   #156
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Quote:
Originally Posted by wittyworks View Post
Engine: '95 1.8L
Turbo: Borg Warner EFR 6258
Spools like a 2560R on a '99 head, except it's on a '94 head and the tune is so rich I could smell fuel vapors in the car after doing long pulls.

EFR6258 is bauce.
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Old 01-04-2012, 03:40 AM   #157
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Engine: '01 1.8L w/VVT
Turbo: Garrett 3076 w/antisurge machining
Manifold: Custom stainless header
Downpipe Size/Style: Custom 76mm
Exhaust Size: 80mm
Exhaust Components: Single fleabay muffler
Intercooler Core Size: don't remember
Intake Manifold: Stock 99-00
Headwork: Stainless valves, stock size
Engine Management: Enhanced MS2
Other Spoolin' Helpers/Hurters: none
Trans & Rear End Ratio: RX-7 FD 5-speed, 4.1 open
Rear tire size: 235/40R17

THIRD GEAR PULL:

RPM Boost(KPa)

3132 111
3392 127
3668 147
3841 163
3996 183
4162 213

At this point the wastegate begins to open and the boost increase rate drops (I need to fix this through the PWM table, currently open loop)

4338 223
4571 230
4799 244
4500 254
4809 267
4954 280
5249 300 (ALLOFIT)
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Old 01-04-2012, 04:33 PM   #158
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Tonights update after I corrected the PWM table, 4th gear pulls:

RPM Boost(KPa):

3204 103.3
3307 121.3
3405 145.8
3508 167.3
3609 193.9
3699 214.7
3799 243.7
3894 265.6
3998 298.2 <----- ALLOFIT
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Old 01-04-2012, 06:49 PM   #159
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lets see what happens when you start at 2k instead\as well
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Old 01-05-2012, 06:53 PM   #160
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I fixed a loose wastegate and ohmygod I can hit 15 psi at 3000 RPM. (GT2560, VVT head) Official data later.
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