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The mkiv Supra Owners Club

Can't decide what single turbo to get.


Jake

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Guest GTO NEMESIS

Hi Supra Chaps,

 

I have been researching the same thing over the last two weeks and decided to go with the GT42 but a speacial race version called the GT42RS which spools 750 rpm quicker.

 

My blower arrived yesterday and is said to be the first GT42RS in europe (accoring to Honeywell Garrett anyway).

 

Here are some pics for anyone who is thinking about going down this route.

 

http://hometown.aol.co.uk/Marty6470/IMG_1.jpg

http://hometown.aol.co.uk/Marty6470/IMG_2.jpg

http://hometown.aol.co.uk/Marty6470/IMG_3.jpg

http://hometown.aol.co.uk/Marty6470/img4.jpg

http://hometown.aol.co.uk/Marty6470/IMG_5.jpg

http://hometown.aol.co.uk/Marty6470/IMG_6.jpg

http://hometown.aol.co.uk/Marty6470/IMG_7.jpg

 

Thanks for all the info on blowers you guys have been using it has been very helpfull. I drive a GTO and no one has done a single conversion before in the UK so it has been a troublesome choosing the right one.

 

Mark;)

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Hi Supra Chaps,

 

I have been researching the same thing over the last two weeks and decided to go with the GT42 but a speacial race version called the GT42RS which spools 750 rpm quicker.

 

 

I'll be very interested to see how this pans out, as I'm planning to get a GT4202R within the next 2 months or so.

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Guest Terry S
I'll be very interested to see how this pans out, as I'm planning to get a GT4202R within the next 2 months or so.

 

we have already tried one Tony.

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Guest Terry S
What is the Anti Surge part?

The http://www.3si.org/forum/showthread.php?t=313698 guys pointed me towards you Supra chaps to get info about anti surge but I am still abit confused as to what part is anti surge?

 

Mark:)

 

 

The picture above show what the anti surge delete is. The anti surge is a design of compressor housing. Your turbo has anti surge, the pic above doesnt. It is deleted to aid spool, but narrows the compressor map.

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Guest GTO NEMESIS

Ah! so the offer of changing my new expensive blower to an anti-surge wotsit at the cost of $400 is just, well wrong!?

 

Terry, are you tuner? If so do you have a 4wd dyno?

 

Mark:)

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Guest Terry S
Ah! so the offer of changing my new expensive blower to an anti-surge wotsit at the cost of $400 is just, well wrong!?

 

Terry, are you tuner? If so do you have a 4wd dyno?

 

Mark:)

 

LMAO, I didnt think the 42R was available without anti surge, so they certainly shouldnt have charged you extra for it. The delet is an extra as the machine a special insert ( not Garrett)

 

No dyno mate I am afraid.

 

Tony, seems a very nice turbo, depends on your goals ;)

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Ah! so the offer of changing my new expensive blower to an anti-surge wotsit at the cost of $400 is just, well wrong!?

 

Terry, are you tuner? If so do you have a 4wd dyno?

 

Mark:)

 

The gt42rs comes with the anti surge housing like yours as standard ( and should not cost more) ..it's the anti-surge delete that is extra as pictured in Terry's pic.:)

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Tony, seems a very nice turbo, depends on your goals ;)

 

My only concern about it is how hard it's going to spool. I want good boost at high RPM, but don't want all the power coming in within a couple of hundred rpm. It'll make the car too snappy. Have you got a dyno graph of a car with that turbo? I'm looking at some camshaft options to try and flatten the torque curve some, even if it's at the expense of top end. To be honest that shouldn't be too much of an issue, as the turbo is going to be more than capable of supporting more hp than I could use on the street anyway, I'll just be eating into that reserve more than most. :shrug:

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