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Turbo Highflow

R32-DOOR4

By R32-DOOR4,
in South Australia

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Simon-S14 Grand Master

Simon-S14

Posted
Posted

Im no fan of Bill.... he has screwed me and coutless mates of mine... i dont know if we are getting him on a bad day or something, i understand errors happen but he doesnt stand by his work at all.

MTQ is the go if you want a truly professional job,they are located in Regency park a few streets over from the inspection station... (irony maybe)

Failing that, for a REAL highflow... GCG in sydney are the pro's! their highlow is tried and tested and makes proven power ( i could be sponsored by them lol )

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KISIN Veteran

KISIN

Posted
Posted
Im no fan of Bill.... he has screwed me and coutless mates of mine... i dont know if we are getting him on a bad day or something, i understand errors happen but he doesnt stand by his work at all.

MTQ is the go if you want a truly professional job,they are located in Regency park a few streets over from the inspection station... (irony maybe)

Failing that, for a REAL highflow... GCG in sydney are the pro's! their highlow is tried and tested and makes proven power ( i could be sponsored by them lol )

MTQ - can they help me build a custom garret turbo ?

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4door_Sleeper Veteran

4door_Sleeper

Posted
Posted

When I replaced my turbo about 2 years ago I shopped around and also spoke to a lot of workshops with Dynos.

My general findings were that ATS could make a highflow turbo that could handel 14psi without stuffing up, but that they didnt produce any more power that a standard turbo at the same boost (and in mant cases workshops reported small to medium drops in power)

The only garanteed success story was GCG whost turbos made more power than standard at any given boost, were reliable at over 14psi, and came on early (nearly the same as a standard turbo, which was another problem with other highflows which were laggy)

I went for GCG and am happy with the results, my only other option was to look at an aftermarket turbu HKS2530 etc.

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skylineguy19 Mentor

skylineguy19

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Posted

i havnt had mine hi flowed but did have ATS rebuild it when it went bang, that was about a year and a half ago and mine is still kicking on strong, cops its monthly thrashing and loves it!

Other than that i reckon my mechanics who look after my drifter would be able to do it, try giving fours n more a call, tell them luke with the 31 recomended you.

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Silhouette31 Rising Star

Silhouette31

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I had mine built by Madaz... Ironic since I have a huge sticker of theirs on my back window :rofl:

They got ATS to machine it out but assembled it back at the workshop.. Made a 50kw increase (tested on dyno).

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4door_Sleeper Veteran

4door_Sleeper

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They got ATS to machine it out but assembled it back at the workshop.. Made a 50kw increase (tested on dyno).

Was that at the same boost level, or did they increase the pressure to gain 50kw?

And when did the new turbo come onto boost?

Its the answer to all 3 of these questions (Q4 is reliability) that will make it a good turbo or a crap one.

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Silhouette31 Rising Star

Silhouette31

Posted
Posted (edited)

Yeah 14psi before and after.. However, same time I changed turbos I got a bigger exhaust too, which would have helped in power too.

I've only got a highflowed VL Turbo (r31 rb30), not anything major, but that was the difference the highflow made.

Couldn't really tell you the difference in spool time.. Only about 750rpm difference I think, couldnt really notice. But I've kept a small rear housing to keep lag down.

Edited by Silhouette31
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Krishy Grand Master

Krishy

Posted
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after countless times of discussion with my mechanics i have come to the conclusion of instead of highflowing your stock turbo...why not get something aftermarket that is reliable like a HKS or something....its going to almost cost the same and would be better as you can also run high boost levels....

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Dohmar Grand Master

Dohmar

Posted
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after countless times of discussion with my mechanics i have come to the conclusion of instead of highflowing your stock turbo...why not get something aftermarket that is reliable like a HKS or something....its going to almost cost the same and would be better as you can also run high boost levels....

I called MTQ today and they quited $2850 for a pair or N1 equivalent turbos for the R32 gtr. he said theyre bolt on but may need some machining to get the oil mounts/holes to line up. dunno specifically what he meant as I dont really know about this stuff, but if people have had problems with any rebuilder, i certainly wouldnt risk my money... on the same token, i dont think im hardcore enough to get my parts made/reconned interstate.... there has to be someone decent locally imho...

-D

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Madaz Grand Master

Madaz

Posted
Posted
ATS! Got mine done there, now is in Steve's car, he can vouch for it too!!!

sure can bloody good turbo

I had mine built by Madaz... Ironic since I have a huge sticker of theirs on my back window :P

They got ATS to machine it out but assembled it back at the workshop.. Made a 50kw increase (tested on dyno).

?:P i do turbos now :D :D

mine makes more power @ less boost a ATS special cant wait till the dyno day and wind some more boost in

for example @ the PGA dyno day i was running 13.7psi and made 172awkw on the same setup on the Aussie Dyno, dyno made 185awkw same psi 13odd then with the ATS highflow and fouled plugs made 187awkw @ 9psi but couldnt boost any higer due to bad plugs

after countless times of discussion with my mechanics i have come to the conclusion of instead of highflowing your stock turbo...why not get something aftermarket that is reliable like a HKS or something....its going to almost cost the same and would be better as you can also run high boost levels....

its not allways about boosting to a gajilion psi since ive found our standard engine is only good for 17-18psi so thats all the turbo needs to make reliably, its also about ease of fitment highflow will bolt up using oem manifolds and dumps

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