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The turbobygarrett site is showing some more turbine housing options for Garretts GT3582R turbocharger , you'd think these were what was needed to get the most from these turbos but need a serious T4 flanged manifold maybe something like the cast HKS RB26 one .

Sadly these housings are single scroll but maybe later TS ones will get the nod .

http://www.turbobygarrett.com/turbobygarre...R_714568_10.htm

Cheers A .

If you open that link I posted originally it shows a picture of one wearing the T4 flanged turbine housing , in the bottom RHS of that page it gives you the part no's and A/R ratios too .

740902-18 = 0.63 a/R

740902-17 = 0.82 a/R

740902-16 = 1.06 A/R .

Cheers A .

If you open that link I posted originally it shows a picture of one wearing the T4 flanged turbine housing , in the bottom RHS of that page it gives you the part no's and A/R ratios too .

740902-18 = 0.63 a/R

740902-17 = 0.82 a/R

740902-16 = 1.06 A/R .

Cheers A .

i can confirm that full-race does carry this. T4, 1.06 A/R, twin scroll. I am running it on my 26 now with a greddy T4 mani. i believe the TS turbine housing is made by ATP, but I am not sure.

i don't believe garrett makes a T4 TS themselves.

Edited by gawdzilla
I'd be interested to know how that combination works on an RB26 .

Cheers A .

Yes it would be interesting to compare the T4 1.06 to the T3 .78 GT35. IIRC Str8e180 was running the T3 .78 GT35 version on his RB26 and made nearly 400rwk's (with a few fuel issues). So you'd think the larger housing would be better still.

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