90' volvo 740 - Boost Forum

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90' volvo 740
Saturday, February 25, 2006 7:58 AM
Does anyone know what turbo the volvo 740's came with? And also what is the wastegate set at? THANKS

Re: 90' volvo 740
Saturday, February 25, 2006 8:19 AM
Think they all wore Mitsu turbo's and that specific model (740) used the TD05/12B.

And I believe the turbo's were set somewhere around 8-9psi because they had an upgrade kit that boosted the stock 740 system to 13-14psi.

Also, their intercoolers are almost gold if you can find one in descent condition!


N2O + Bolt-ons = 220Hp/250Tq

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Re: 90' volvo 740
Saturday, February 25, 2006 8:57 AM
Thanks... Im gonna look at it today. TD05 thats a nice size right? or is it the TD05H??
Re: 90' volvo 740
Saturday, February 25, 2006 11:20 AM
Garrett TB03 set at 7psi.
.42 a/r compressor
.48 a/r turbine
The turbine housings have a tendancy to crack inside at the wastegate hole which makes getting into boost not so fun. You should replace it anywa beind it uses a non-T3 ridged gasketless flange and there are no manifolds with that design.



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