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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars |
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04-09-2004, 08:34 PM | #4 | |
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wait? correct me if i am wrong...but the TT's had t22's... right?
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04-10-2004, 12:43 PM | #5 |
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T25 check it out
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04-10-2004, 01:33 PM | #6 |
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Okay, I have posted this info before but it is always helpfull. Mods, if you read this, sticky might be good so that people have a stock turbo guide for nissan engines.
And yes the 300z has dual t-25 GARRETT T25 They are from the small series of turbochargers specifically engineered for original-equipment small-capacity engines, have their roots in the ET Pulsar, and culminate in a 'twin' application on the 300ZX twin-turbo VG30DETT. In single form, they are not recommended for performance applications. Car of Origin: Nissan S13 Silvia/180SX Engine: CA18DET Flange: Four-bolt; it fits most Nissan four-cylinder turbo engines Max. Power Rating: Approximately 130kW Max. Boost: 1.0bar (14.5psi) Cover Size: Exhaust 0.48 AR, compressor 0.49 AR Comments: A small and reasonably ineffiecient turbocharger that should only really be used as a straight fit for an existing CA18DET engine to replace a failed unit. It's not recommended as a bolt-on for a normally aspirated engine of more than 1600cc. Cost: Normally quite expensive, $450+ due to the replacement demand in the normal service industry for these turbocharger Rating: One out of five. Car of Origin: Nissan PS13 Silvia/180SX Engine: SR20DET Flange: Same as above Max. Power Rating: Approximately 160kW Max. Boost: 1.2bar (17.4psi) Cover Size: Exhaust 0.64 AR, compressor 0.60 AR Comments: Improved flowing version of the CA18DET turbo makes it a great straight-fit bolt-on to the CA series, but becomes borderline on even a lightly modified SR20 engine. That the S14 series of cars moved to using a bigger T28-style unit is testimony to this. Cost: Again, being a straight fit for all of the 2-litre turbo imports makes them an in-demand unit and pushes their cost through the roof. $550+ makes them expensive, but they are a great fit-up for a lightly tuned S13 CA18DET Rating: Two out of five. GARRETT T28 The next size up from the T25, the T28 series of turbochargers are more serious items. They are used in twin form on the Nissan Skyline GT-R and singularly on the Pulsar GTi-R, S14 and S15 series Silva/200SX. They make a decent upgrade for the S13 series of cars when more than 150kW are reliably expected to be produced. Car of Origin: Nissan S14 200SX pre-1996 Engine: SR20DET Flange: Four-bolt, same as the T25 series. Max. Power Rating: Approximately 170kW Max. Boost: 1.2bar (17.4psi) Cover Size: Exhaust 0.64 AR, compressor 0.60 AR Comments: The ultimate OE bolt-up to the S13 series of cars, the best part is that it bolts straight on. A good little all-round mid-range turbocharger that has proven itself to be extremely reliable in service. Cost: Expensive due to their fitment to an Australian-delivered car. Their price starts at $650 for a second-hand unit. Rating: Three out of five JDM Vehicles only, not relevean to the UK S14a Car of Origin: Nissan S14 200SX post-1996, S15 Engine: SR20DET Flange: Four-bolt, the same as the T25 series Max. Power Rating: Approximately 170kW or slightly more Max. Boost: 1.2bar (17.4psi) Cover Size: Exhaust 0.64 AR, compressor 0.60 AR Comments: While the housing are the same as the earlier S14 turbocharger, the latter item has sophisticated Garrett ball-bearing internals, which guarantee a faster ramp-up to boost than the previous model. This is the pick of the T28 series. Cost: They're hard to find second hand due to the relative scarcity of the S14 black rocker cover engines. Normally, you are best off to buy these new from a turbo supplier. Rating: Four out of five Car of Origin: Nissan Skyline R32, R33 GT-R Engine: RB26DETT Flange: Four-bolt, the same as the T25 series Max. Power Rating: Approximately 150kW Max. Boost: 1.3bar (18.8psi) Cover Size: Exhaust 0.48 AR, compressor 0.60 AR Comments: They are really only good for use on stock GT-R engines due to their relatively small exhaust housing. For some reason, they seem to be able to handle more boost before turbine failure, but there are still plenty that have let go. Cost: Anything with a GT-R part number is expensive! Rating: Two out of five GARRETT RB20/25 SERIES Even though many tuners refer to the RB20 and VG30 (single) turbochargers as being a T3, this is not the case. Being a Nissan-branded item and having only Nissan identification markings on them (no AR markings etc.) can make identification difficult. All of the ball-bearing turbos have a telltale 'fatter' centre core section, as well as a bolt through the centre housing, which looks as though it has an effect on the thrust bearing pre-load. Overall, these turbos are very good performers. Car of Origin: Nissan Skyline R31 GTS Engine: RB20DET NICS (ribbed rocker cover) Flange: Four bolt T3 style Max. Power Rating: 140kW Max. Boost: 1.2bar (17.4psi) Cover Size: AR not identified Comments: A poor-performing turbocharger that was only used on a handful of engines by Nisan before being replaced with the newer technology ball-bearing units. Top-end power is far from good, and the actual response (boost-response time) is also quite poor. It's one to steer away from. Cost: Dirt-cheap, as they are not in any demand. They have been seen to be as low as $100. Rating: One out of five Car of Origin: Nissan Skyline R32 GTS-t Engine: RB20DET ECCS (silver rocker cover) Flange: Four bolt T3 style Max. Power Rating: 160kW Max. Boost: 1.2bar (17.4psi) Cover Size: AR not identified Comments: A big step in the right direction from both Nissan and Garrett. A truely nice turbocharger, complete with modern aerodynamics and ball bearing construction. It's a perfect choice to get the best from an internally stock, standard injector/management set-up. On a CA18 with a custom manifold, they are really good things. Cost: Reasonable, with some examples floating around the importers for as little as $400. You have to be quick thoughm as they tend to sell fairly quickly. Rating: Four out of five. Car of Origin: Nissan Skyline R33 GT25-T Engine: RB25DET Flange: Four bolt T3 style Max. Power Rating: Approximately 185kW Max. Boost: 1.2bar (17.4psi) Cover Size: AR not identified Comments: The big daddy of the range makes the RB25 turbocharger good for almost any mild six-cylinder application. Sparkling boost response in the low-rpm range and a reasonably hard-hitting top end make this the most common upgrade found on the RB20DET. It's highly recommended. Cost: Being very difficult to get hold of makes them highly variable in price. Sometimes about $700, sometimes more. Rating: Five out of five. Car of Origin: Nissan Gloria, 300ZX Engine: VG30DET Flange: Four-bolt T3 style Max. Power Rating: 190kW Max. Boost: 1.2bar (17.4psi) Cover Size: AR not identified Comments: Apparently, these are slightly larger in exhaust housing size than the RB25, but have a fractionally smaller and different trim compressor. Information on these is sketchy, but due to their almost unknown application they are easier to find than the RB25 roller. A good choice, particularly if you put the RB25 compressor and cover straight on. In excess of 200kW have been produced with this combination. Cost: Fractionally cheaper than the RB25 turbo and not as hard to get. They have been advertised at $650. Rating: Four out of five
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09-14-2004, 01:07 PM | #7 | |
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09-14-2004, 01:13 PM | #8 | |
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Automatic cars had dual T22s = suck. - Brian |
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07-30-2005, 01:21 AM | #10 |
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wait...
now now....there is always the garett gt28r's which if im right will make about 600+ rwhp on a vg30dett and perform similarly to the stock turbos.....as in very little lag..
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07-30-2005, 07:38 AM | #11 |
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haha i think they waited long enough!! lol in befo da lock boooi! reason not to read the "simular threads" list on bottom of posts haha
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09-05-2005, 01:52 PM | #12 |
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my friend would give my his turbos from his 91 300zx, would it be wise to install one of them onto my SR20det or it wouldn't make a differ?
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