Hey, im doing a home made turbo setup for my 03 spec v, with a t-25 turbo running around 4-5 psi. I just need to know where i can find a turbo manifold for the qr25.
Hey, im doing a home made turbo setup for my 03 spec v, with a t-25 turbo running around 4-5 psi. I just need to know where i can find a turbo manifold for the qr25.
they are all custom fab. Try PowerTech Imports or Forced Induction Racing, they both get them made.
::Edit::
Also try ProTech they do fabrication too.
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-- 2002 SE-R Spec V
Last edited by BlackoutSpecV : Aug 10th, 2004 at 10:47 AM.
the powertech manifold is made by protech, it's a manifold/downpipe combo, and it'll end up costing about a grand.........that's hand made, tig welded, and coated.
t25 @ 4-5 psi? heh, you won't even feel that. with a T25 you can VERY safely run 7-10psi. just a lil tip....oh and if you're using an internal gate (whcih I assume you are) chances are likely the spring is already at 7psi, and you can't go lower than that.
im definately going to have some feul management, and yes internal wastegate for sure, ill get pics up as soon as its done which should be about a month.
Wouldn't a bigger turbo with less boost be a lot safer too. It's the lower rpm surge that's hard on the rods from the little "research" done on the QR. Get a big one that will be suited for 4 or 5 psi with a little later than ideal spool up and be ready for the internals in the future too imo.
no, a bigger turbo with less boost isn't as efficient. If you run a t3/t4 at 5psi, it's not in it's efficiency range. a T28 is the perfect size for a stock QR25DE.
basically a t3/t4 at 4-5psi is doing nothing more than shooting out hot air.......check out some turbo maps, you'll see.
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