which chinacharger, of these two?
my power goal is ~250whp, but i'd obviously like a little bit of head room. maybe 275 eventually
1. http://cgi.ebay.com/ebaymotors/t3-in...Q5fAccessories 2.http://cgi.ebay.com/ebaymotors/T3-T4...Q5fAccessories looking at these things is giving me a headache. if neither of these is a good choice, link me to one that is? |
they are more or less the same same. think GT3071 size.
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Thats overkill for my goal isn't it?
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a bit.
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I want something between that, and what you have brain. What Garret turbo would that compare to?
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If the specs for #1 are correct, it looks like it has a stg 3 sized t3 exhaust wheel, and a 57 trim compressor wheel. I don't think that it will perform the same as a 3071, but I'm pretty sure you'll hit your goals with either one.
The second one looks to be a bit smaller on the cold side, but without the exducer measurement one can't do the math. Exhaust wheel appears to be the same as the first one. I used one similar to the second one on my FE3 and got 265hp/290ft,tq @ 15psi. That was on a stock engine with larger injectors and a TEC2. |
well unless someone else has some input, i'm going to go with #1
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the 3071 has a 53mm/71mm compressor. #1 turbo above has very similar size.
the 3017 has a 60mm turbine inducer. #1 turbo has a 63mm. how is that not sized like a 3017? no doubt you'll hit your goal with either one, but you'll be leaving tons of powerband on the table. For a 250-275rwhp goal I'd be looking for something in the 2560/2860/2871 range. or a straight 60 trim t3. a real 60 trim with a 60mm exducer, not 71mm. |
Originally Posted by Braineack
(Post 587924)
the 3071 has a 53mm/71mm compressor. #1 turbo above has very similar size.
the 3017 has a 60mm turbine inducer. #1 turbo has a 63mm. how is that not sized like a 3017? no doubt you'll hit your goal with either one, but you'll be leaving tons of powerband on the table. For a 250-275rwhp goal I'd be looking for something in the 2560/2860/2871 range. or a straight 60 trim t3. a real 60 trim with a 60mm exducer, not 71mm. looking at the numbers on garrets site, this is close to a 2860? http://cgi.ebay.com/ebaymotors/T3-T4...Q5fAccessories |
Not to derail, but is it bad that these are not water cooled? For a track car I'm guessing probably.
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Originally Posted by DrewLGT
(Post 587932)
looking at the numbers on garrets site, this is close to a 2860?
http://cgi.ebay.com/ebaymotors/T3-T4-TURBO-CHARGER-w-INTERNAL-WG-MAZDA-3-6-MX-5-_W0QQcmdZViewItemQQhashZitem35a5832929QQitemZ23041 0103081QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccesso ries A genuine t3 super 60 (with a 60mm compressor wheel), with a stage I turbine, in a .48 A/R housing, is as close as you can get to a 2860. The compressor wheels are acutally identical in size but the T3 has a slightly larger turbine. This is a 300-350rwhp turbo. A 57 trim t3/t4 is a 430-450rwhp turbo. if you could find a 40 or 46 trim t3/t4 with a stage I turbine, that could work. What size motor you running? |
Originally Posted by Braineack
(Post 588215)
A genuine t3 super 60 (with a 60mm compressor wheel), with a stage I turbine, in a .48 A/R housing, is as close as you can get to a 2860. The compressor wheels are acutally identical in size but the T3 has a slightly larger turbine. This is a 300-350rwhp turbo.
A 57 trim t3/t4 is a 430-450rwhp turbo. if you could find a 40 or 46 trim t3/t4 with a stage I turbine, that could work. What size motor you running? |
Originally Posted by Braineack
(Post 588215)
A genuine t3 super 60 (with a 60mm compressor wheel), with a stage I turbine, in a .48 A/R housing, is as close as you can get to a 2860. The compressor wheels are acutally identical in size but the T3 has a slightly larger turbine. This is a 300-350rwhp turbo.
???????? |
Originally Posted by Cococarbine3
(Post 587935)
Not to derail, but is it bad that these are not water cooled? For a track car I'm guessing probably.
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that's the turbo im running. It's a 250rwhp turbo at best.
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I'll have to check out your spool data/dyno run. Does it begin to run out of steam pretty badly up top? I'm shooting for 250whp at max anyways (for now).
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should dyno again with it next weekend. It starts to die off a little after 5.7K in comparison to the super 60 wheel I was running, but I have a solution for that.
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I'm in to hear the solution and see how that dyno run goes. I wonder if water/meth and more boost would take care of that issue.
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more boost was the answer. ill add a lb or two after 5.5K :)
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Alright, that sorta went off on a tangent, but it seems like the ultimate budget build turbo may have been located. (For 1.6L guys anyways) =). Hey Brain what do you think of the turbo DrewLGT linked in post # 13?
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I'd rather have the ebay 2560 over this t3.
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What do you think is the max psi your turbo will push before becoming inefficient in the typical Miata configuration? I think water/meth may be a good way to get a bit more out of the smaller turbos for people that want a slightly higher goal further down the road.
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27 lb/min or 3.00PR, whichever comes first.
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Originally Posted by Braineack
(Post 588884)
I'd rather have the ebay 2560 over this t3.
http://cgi.ebay.com/ebaymotors/GODSP...item255b28bde2 is your turbo the ebay 2560? I'm so confused :vash::vash::vash: |
yes, because I like fast spool and turbo that can still output 250rwhp. not spool slow and a turbo still putting out 250rwhp because I'm on a stock block...
Mines running really freaking well right now at 15psi, more mid-range than ever before. I need to dyno it. I have the china 50 trim T3. Not t4, not t04e, straight up t3. this: http://rover.ebay.com/rover/1/711-53...item255b28bde2 is a 3071 sized turbo witha stage III or IV turbine... I want SPOOOOOOOOOOOOOL and TQ. |
Originally Posted by Braineack
(Post 588943)
yes, because I like fast spool and turbo that can still output 250rwhp. not spool slow and a turbo still putting out 250rwhp because I'm on a stock block...
Mines running really freaking well right now at 15psi, more mid-range than ever before. I need to dyno it. I have the china 50 trim T3. Not t4, not t04e, straight up t3. this: http://rover.ebay.com/rover/1/711-53...item255b28bde2 is a 3071 sized turbo witha stage III or IV turbine... I want SPOOOOOOOOOOOOOL and TQ. is there nothing between your turbo and the ones i've been linking. i've been looking at turbos on ebay for days and cant find one. i want a 2860 sized turbo with an internal wastegate. |
Originally Posted by Braineack
(Post 588943)
yes, because I like fast spool and turbo that can still output 250rwhp. not spool slow and a turbo still putting out 250rwhp because I'm on a stock block...
Mines running really freaking well right now at 15psi, more mid-range than ever before. I need to dyno it. I have the china 50 trim T3. Not t4, not t04e, straight up t3. this: http://rover.ebay.com/rover/1/711-53...item255b28bde2 is a 3071 sized turbo witha stage III or IV turbine... I want SPOOOOOOOOOOOOOL and TQ. |
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