The Garrett GT35r Turbocharger is by far one of the most reliable turbochargers rated at 700hp it is not for grandmas corolla, is it ball bearing turbocharger similar to the GT28rs, the compressor is a High Performance BCI-18 and it has UHP Turbine sounds like jargon to most people but plain and simple if mean this turbocharger will pack a punch and boost up to 30psi like a hot knife going though butter.

It is and Exellent turbocharger for highly modified large 4 and 6 cylinder engines, and you can purchase them stand alone and in high end turbocharger kits, they are even seen to be used as twin turbocharger setups on V8 engines, Fitting is pretty standard once again with a T3 turbine inlet flange and 4-bolt turbine outlet flange (also known as the dump pipe) for standard housings other wise there are differnet options turbine housing options. With the 740902-10, 740902-11, and 740902-12 variations of turbine housings have a 90mm V-band outlet.

Heat soak is an issue in all cars that why we use the turbo beanie but when you go to the extreme and have the heat, its certainly not a problem because the turbine housing on the GT35r is cast from high-nickel “Ni-Resist” material which is one of the most heat tolerant materials available, and staying cool isn’t an issue as this ball bearing turbocharger runs a oil & water-cooled bearing system.

RRP $1,600

Tech Specs

KKR430 Turbocharger

The KKR430 turbocharger is one of the cheaper options thats been getting known around forums, the overall design is very similar to German KKK Turbochargers, how ever it is not known for the same quality and is not a rolla bearing. They are recommended as a bolt on upgrade for the RB25 and suited to 2.0L to 2.5L engines, these turbo’s are not rated, people have been throwing about the numbers of 300-450hp but its not documented anywhere, but have a claim of 240rwkw on a 2.5 RB25DET with 15psi of boost which sound a tiny bit over rated for the specs of this turbo but then again we don’t know what other modifications that RB25 had.

Fitting average withs a T3 flange, turbine outlet is a 2.75-inch V-band and these are internally gated, there is two wastegate options available during order first is the standard at 11-12psi, or a “Race” one at 14 to 18psi, there have been an number of reported issues with waste gates getting stuck open, even though these run sleeve bearings there haven’t been reported issue’s with wear/ excessive shaft play, but there does seem to be problems with oil seals blowing, and these dont seam to last more than a year, one other thing im not sure of is the A/R of the exhaust KKR actually list in there specifications that the KKR430 is similar to their KKR380 but has a .56 A/R turbine housing yet the spec sheet says .58A/R ?? got me confused.

So at the end of the day if you have a weekend thrash box in need of a new hair dryer you can’t go wrong for the price, but if your building some serious engine I would recommended spending a bit more extra cash on Garrett, HKS, KKK, or Turbonetics turbocharger as the last thing you need is to blow a $8000 engine from a $800 turbo, and that sale rule your mum told you applies, “You get what you pay for”.

RRP: $800

Tech Specs

So around 75% all the compressor wheels on turbo’s are Billet, it has been proven with no major issue’s ever arising apart from of course the poor sole who got talked into buy a cheap Turbocharger that’s about as reliable as a Hyundai Excel thats clocked over 800,000kms, which we have talked about cheap turbo’s before.
Turbonetics seem to heavily market there forged wheel technology, and with their proven track record of providing some of the best Turbochargers seen to mankind, of course there is a new line on forged compressor wheels from Garrett® dubbed there new range The “GTX-R Turbochargers”, Pretty cool name and it would be hard to toss up between the two companies and decide which brand to buy. The one thing about Turbonetics is they degrade the standard compressor wheels, saying that casting leaves air pockets, This is true to a certain extent.

Most modern Alloy engines have Pistons manufactured from cast alloy pistons, even some Hi-Torque engines such as Holden/Isuzu’s 6VE1 or 6VD1 or a Turbocharged Renault Megan Sport, none of these have ever had issues with broken pistons due to air pockets in the casting. It all comes to to the company’s quality control. That is why you should stick to the Trusted brands and not the El-Cheapo’s that I have talked about Before.

So to sum it all up Yes a billet wheel is considerably stronger that a Billet but for a street car or weekend cruiser I wouldn’t bother spending the extra 200+, I would just stick to what has a good review and what is suited to your build.

Until next time Keep Spoolin!