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Old 02-17-2005, 04:08 PM   #1
Tullin
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Default Deadbolt TD05H-18G experience

Just want to share my experiences with the TD05H-18G turbo. My car set-up: German spec WRX 2001 (bug eye), Helix up pipe + down pipe, Apexi GT cat back, Walbro 255 lph fuel pump, STI pink injectors, EGT gauge (all Gruppe-S), oil temp, oil pressure and boost gauge, EBC rotors and red stuff ceramic pads, TurboXS UTEC and finally a Deadbolt TD05H-18G turbo (oil + water). I started with the exhaust mod, which gave a rather small but noticable gain. Then the UTEC was added (stage 2) and that resulted in a substantial gain. The final addition was the fuel pump, injectors and the 18G turbo (I am basically using the UTEC stage 4 map, however, the boost map is changed so that the boost will reach 1.4 bar~20.3 PSI). Now that made a difference. My car now pulls stronger in 3rd gear than it did in 2nd gear before. Spool up is excellent as I reach full boost in 5th gear at 3000 rpm (2800 rpm stock). There is slightly more lag with the 18G turbo, but much much less than I anticipated. The 18G turbo also has a better "turbine sound" than the stock TD04 turbo. So in conclusion:
Exhaust mod: Small gain
+ UTEC stage 2: Noticable gain
+ injectors, fuel pump, 18G turbo: Huge gain
Hope the above info is useful to someone
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Old 02-18-2005, 07:55 AM   #2
ronf
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18G with full boost at 3000 rpm !! amazing !!
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Old 02-19-2005, 04:23 AM   #3
rare_impression
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are your pinks maxed out?
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Old 02-19-2005, 06:59 AM   #4
earlmale
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what's full boost in 3rd gear?
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Old 02-19-2005, 01:37 PM   #5
Tullin
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Default

Yes the pink injectors are maxed out around 6400 rpm (19-20 PSI), but I get no knock even at 7000 rpm. However, if I had to buy injectors today I would probably go for the 650 cc or maybe even 800 cc injectors. Regarding spool up in 3rd gear, I reach 1 bar (14.5 PSI) at 3600 rpm and full boost (~20 PSI) around 3900 rpm.

BR
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Old 02-27-2005, 01:25 AM   #6
ashumo
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tullin where are you from? wondering what octane fuel you get to run?
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Old 02-27-2005, 10:33 PM   #7
rare_impression
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If you modify your stockers you'll get about 750cc and its cheap to do.
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Old 03-01-2005, 05:13 PM   #8
Tullin
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I just checked spool up in 3rd gear today and it is actually faster than specified above: 14.5 PSI is reached at 3400-3500 rpm and 20 PSI at 3600-3700 rpm. I live in Copenhagen, Denmark, Europe. Most parts on the european WRX are identical to what you have on US cars and I have bought most parts in US (except for brake parts). European octane numbers are different than US numbers. I use RON 98 fuel (premium fuel in Denmark) which approximately corresponds to US octane 93.
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Old 03-24-2005, 02:11 PM   #9
oneoverWRX
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Dang...20 lbs on stock internals, what will the stock internals hold? I was planning on doing almost the same setup only different em and 18 psi. Glad to hear it does so well.
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Old 03-26-2005, 01:22 PM   #10
Tullin
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I have been driving about 7000 miles with my current set-up, so far without any problems. From what I have been reading 20 PSI shouldn't be a problem on stock internals. Originally I started with 14 PSI and slowly increased the boost to 22 PSI. Subjectively there is a huge difference in power between 14 and 18 PSI. Going from 18 to 20 PSI seems to give a small, but nevertheless noticable gain. However, going from 20 to 22 PSI didn't seem to increase the power at all.

BR
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Old 03-26-2005, 02:42 PM   #11
dln84
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Default full boost

Hey, what is your full boost in first gear? I am debating replacing my vf34 with the deadbolt TD05-18G. Thanks
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Old 04-06-2005, 06:39 PM   #12
Tullin
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In 1st gear I reach 17 PSI at 6500 rpm, 14 PSI at 6000 rpm and 9 PSI at 5000 rpm .
BR
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