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Twins vs.Single(600hp)


Guest Usmann A

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Originally posted by MONKEYmark

the RPS kit sounds good as you can bolt on various turbos for different events.

 

the t66 turbo supposed to be good for up to 700bhp and is a fast spooling turbo.

would it be possible to bolt on 2 t66 turbos to run in twin turbo mode, just curious if it would work well a fast spooling high power supra.is it just a matter of getting base plates to bolt them on?. sorting all your other stuff out like fueling and mapping.

 

dont know if engine could take it.

 

i have read of a twin t78 supra.

 

t66

t78

t88

 

all seam pretty cheap as turbos on there own. supra store advertize a t66 turbo for something like $1000

 

just curious as ever

 

If you put twin T66's on, you'd double the potential maximum airflow (or thereabouts) but each turbo would only see half the exhaust gases, meaning you'd need double the revs to get them to spool up. I think there's some loony in the states that's done it though . . . :)

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The Jun Akira Supra which got the speed record at bonneville has 2x T-78's and approx 1,500bhp....on a stock bottom end...honest! :looney:

 

The 2JZ has been developed by some tuning houses to rev at over 10,000rpm....but it wouldn't last long...the "race" spec blocks are only rated at 9,000rpm.

 

There is a Supra with 2x T-66's in the states. his car is featured on T04R.com but it only develops ~800hp because the boost is set low. Gawd knows if its at all driveable.

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  • 3 months later...
Originally posted by Bobbeh

Doesnt Keith Ta run twin T-78's?

 

Keith Ta runs twin T66's. Here are some latest pics of his awesome Supra: http://www.imagestation.com/album/?id=4290358979

 

Look at the exhaust and header :blink:

 

http://www.imagestation.com/picture/sraid59/pf6f70c392fff9d95fa70fda5a7b134f0/fc587c38.jpg

 

http://www.imagestation.com/picture/sraid59/p72a42a5a83d253cc2e3fb0e5074c6ad1/fc587b50.jpg

 

Flavio

 

http://www.imagestation.com/picture/sraid14/p142c9363fa12dc3dab98011a9003dc88/fde38afb.jpg

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flavio im presuming your car is left hand drive with the sp turbo on it, does anyone have a right hand drive supra with the sp kits? i quite like the sound of their budget kit, but when i posted a question on the i-supra forum larry said he didnt know if it would fit a rhd supra as hed never seen one

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Originally posted by qaisar

flavio im presuming your car is left hand drive with the sp turbo on it, does anyone have a right hand drive supra with the sp kits? i quite like the sound of their budget kit, but when i posted a question on the i-supra forum larry said he didnt know if it would fit a rhd supra as hed never seen one

 

Yes, my car is LHD. Paul Whiffin has a Powerhouse single turbo kit, I believe the Street kit.

 

Flavio

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Originally posted by usmann_a

Also found a chap in banbury who offically programs motec ecus...if i went through with it itll be the m800 pro or m48.

 

Banbury is the home of MoTeC UK. I know who you're talking about. I would say the word "expensive" would apply in this case... All things considered, I'd recommend an Autronic ECU.

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Guest Usmann A

Good too see one of my previous threads re appear!

:eek: ;)

 

I prefer the TO4R or T51R but knw that this will give silly lag, and what everyone needs is usable power, so the T04R is a lovely turbo with big A/R ratio 0.96, and give good mid range and delivers all the way to redline.

As alex advisd me previously T04R, but I was tmepted with all them US supras running huge mother turbos, and in reality(UK not US);) , them cars are known as DYNO QUEENS.

But me pops wants a twin setup when the turbos blow or he decides to change em.....which I hope is very soon!:sly: :flame Dev

 

 

I know its sad!:twak:

 

 

The JUN supra runs a stock bottom end??? that cant be right, maybe a new bottom end for each run eh?

 

:eek:

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Guest Usmann A

C'mon syed, your telling me that so called 900rwhp cars in the states are reliable, your joking!

OK...........Most of them are dyno queens but you do get quite a few also that can show it on the strip, remember the titan car is a Drag car, not road legal, therefore it would do good at the strip, I am commenting on some of the lunatics that claim 800-1000rwhp on stock bottom end, ok its possible but you would need to tow it to the track then after 2 runs go home and rebuild it!

So guys claiming these power figures are no way using them as everyday or as a car, rather a Dyno queen which can put numbers down on the Dyno, and go and get parked in the drive, ready for another session to up the numbers.

:)

 

 

 

Usmann

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Yes, some are dyno queens, but not all big turbo, big number cars are! A few give the rest a bad name! True, the US guys measure power differently, but there are still a lot of very good Supras there, just look at their times and you can see that they live upto the numbers!

 

As for reliability, well true, some of their cars are over-stretched to say the least, but the better modded ones are very reliable for what they are, eg Andi's auto-X car, which still puts down the big numbers.

 

Have to agree though on their reluctance to mod the engine itself, but if done properly, with an uprated engine, as some are (SW car) they can be reliable.

 

A balance needs to be stuck between the OTT attitude of the US guys to power, and the very conservative power levels over here. Big power can be done reliably if done properly.

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Guest Usmann A

1127HP!

Well impressive, if only a car like that would make an appearance at TOTB2. SP74, what do you think his redline would be at?

Very subtle for a supra, yet must go like stink.

 

 

Usmann

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Guest Martin F
Originally posted by u_ali

1127HP!

SP74, what do you think his redline would be at?

 

Read the effffing article rather than just look at the pictures!!!!!!!!

 

Although if you look at the Dyno chart that can help.

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Originally posted by u_ali

1127HP!

Well impressive, if only a car like that would make an appearance at TOTB2. SP74, what do you think his redline would be at?

Very subtle for a supra, yet must go like stink.

 

 

Usmann

 

8.5k it says in the copy.

 

Lovely clean and very well modded Supra that is.

 

Gaz.

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Guest Usmann A

Couldnt be bothered to read the thing, he's written an essay on it, ok ok Martain calm yourself, I didnt commit a crime, were not all sharp witted as yourself you know. :sly:

 

:D

 

Usmann

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Guest Usmann A

Owwhh....hey im a teenager "cant being bothered to do anything" is normal for me, so give me a break, hopefully Ill grow out of it.:p :D

 

 

Have to say your quick on the reply Martin, old age hasent slowed you down............yet!:D ;)

 

 

 

Rdgs

Usmann

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