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Location:
Melbourne
Registered:
August 2003
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Re: 3tgte turbo upgrade
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Fri, 16 July 2004 02:05
 
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rb20det - If you have got it sitting around, go with the T28bb of the S15 - it is a very good match for a 3T-GTE, & comparing it to the other commonly available turbo's around
(CT26s / T3s / TD04s / etc that you can get off Toyotas / Nissan RB engines / WRXs etc)
... the T28bb (s15) is the way to go as far as a "budget turbo" for a 3T-GTE. Good spool up & max power.
jbwetzels - don't let this put you off the CT26... it still goes well, just not as good as the T28bb, but if you are on a tight budget, then the CT26 is more in your price range.
& yes, both intake (to the turbo and intercooler) + exhaust dump all need to be revised and modified to suit.
I am in a typing mood today, so here are my hot 10 tips for 3T-GTE & CT26: 
(please feel free to comment if anyone disagrees with any of this)
1. If you are going the CT26 & mating it to the original 3T-GTE manifold, make sure you get the single entry turbo. The dual entry is designed for a manifold with paired runners, which you don't have on the 3T-GTE
2. The best car to quote if you wanted to know where these single entry turbos come from is the MA7x 7M-GTE powered Supra
3. When purchasing a CT26, check that there is no play forwards and backwards with the shaft, and little or no sideways play. any obvious signs of oil or water in the housings also, and make sure no blades are damaged on the compressor or turbine wheels
4. Be careful how you grind the cast manifold to match port the CT26 as cracking can occurs as a result.
5. The flange on the CT26 turbo core for oil feed & return is the same between the original 3T-GTE's CT20.
6. The "clocking" of the housings (basically their orientation to each other). If you decide to change them for better piping angles you will need to modify the wastegate actuator and drill the housings to change the locating pins (you will also need to be sure that the drain hole faces in the desired direction - down).
7. Water can be fed from the outlet on the Intake manifold that runs to the factory throttle body, and returns into the motor near the thermostat housing. Alternately you can tap into heater lines.
8. If you have the earlier 3T-GTE I'd invest in a oil cooler also.
9. Injectors - running the stock injectors out of juice is dead easy with the CT20 the CT26 is infinitely easier. I will go as far to say that if you don't upgrade the injectors don't bother with the CT26.
10. Pistons vs Boost - if you are running standard internals you won't be running them for too long if you are going to go too high on boost after getting the CT26 going. - Be careful or go for some forgies.
Some good pics of how the end product should look like:
http://www.geocities.com/te72_turbo/3TG_CT26.html
Cheers,
3T-GTE
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| | Subject | Poster | Date |
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3tgte turbo upgrade
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rb20det | Wed, 14 July 2004 06:52 |
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Re: 3tgte turbo upgrade
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ta23 | Wed, 14 July 2004 08:33 |
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Re: 3tgte turbo upgrade
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fade-e | Wed, 14 July 2004 08:40 |
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Re: 3tgte turbo upgrade
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rb20det | Wed, 14 July 2004 10:16 |
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Re: 3tgte turbo upgrade
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jbwetzels | Wed, 14 July 2004 22:44 |
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Re: 3tgte turbo upgrade
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Norbie | Wed, 14 July 2004 22:53 |
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Re: 3tgte turbo upgrade
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jbwetzels | Wed, 14 July 2004 23:09 |
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Re: 3tgte turbo upgrade
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3T-GTE | Thu, 15 July 2004 01:31 |
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Re: 3tgte turbo upgrade
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jbwetzels | Thu, 15 July 2004 01:48 |
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Re: 3tgte turbo upgrade
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3T-GTE | Thu, 15 July 2004 02:38 |
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Re: 3tgte turbo upgrade
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jbwetzels | Thu, 15 July 2004 03:45 |
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Re: 3tgte turbo upgrade
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Norbie | Thu, 15 July 2004 06:13 |
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Re: 3tgte turbo upgrade
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thechuckster | Thu, 15 July 2004 11:31 |
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Re: 3tgte turbo upgrade
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jbwetzels | Thu, 15 July 2004 21:45 |
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Re: 3tgte turbo upgrade
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3T-GTE | Fri, 16 July 2004 02:05 |
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Re: 3tgte turbo upgrade
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SRacin | Fri, 16 July 2004 02:16 |
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Re: 3tgte turbo upgrade
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3T-GTE | Fri, 16 July 2004 02:19 |
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Re: 3tgte turbo upgrade
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3T-GTE | Fri, 16 July 2004 02:24 |
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Re: 3tgte turbo upgrade
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jbwetzels | Fri, 16 July 2004 03:34 |
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Re: 3tgte turbo upgrade
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jbwetzels | Fri, 16 July 2004 02:18 |
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Re: 3tgte turbo upgrade
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rb20det | Thu, 15 July 2004 11:42 |
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Re: 3tgte turbo upgrade
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TA22 GT | Fri, 16 July 2004 11:47 |
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Re: 3tgte turbo upgrade
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3T-GTE | Mon, 19 July 2004 00:23 |
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