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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 02-12-2007, 08:56 PM   #1
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My friend wants a fast spooling unit for his 92 mazda miata, I figure this would be a good choice since the a/r is 48 and 49 , How much power are these turbo's good for, From a source I understand that they are rated for up to 250hp, please correct this if its wrong, he has a t25 turbo manifold, he's going to be using about the same parts im using but with the begi fmu and a ms. so is the power output correct or what are this series rated for.?
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Old 02-12-2007, 09:09 PM   #2
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Maybe you should say what kind of turbo it is I assume a GT2554 since youre talking about fast spooling on a T25 manifold.
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Old 02-12-2007, 09:11 PM   #3
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sounds like a small sr20 T25....
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Old 02-12-2007, 09:57 PM   #4
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What...? No lag? Wheres the fun in that?
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Old 02-12-2007, 11:04 PM   #5
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no lag = no power either. the less lag you have the more innefficient the turbo will be at higher rpm/load conditions which is exactly where you don't want the heat (detonation/pre-ignition). There is a trade off obviously or we'd all be running T4s. But it seems silly to build a system with zero lag unless you want to peak out at 150 whp... might as well stay stock.
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Old 02-12-2007, 11:10 PM   #6
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oh crap I forgot to post the link, My bad guys
http://cgi.ebay.com/ebaymotors/ws/eB...2646256&rd=1,1
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Old 02-12-2007, 11:13 PM   #7
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thought the saab units were a T3 not a T25.... either way at $7.50 that's a steal.
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Old 02-13-2007, 11:11 AM   #8
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Its a saab t25 unit , my friend is currenty bidding on this , he has a pretty much stock 1.8 swap, he wants 200hp , will that turbo be enough to get him there with good low end to mid range tq?
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