TWO DIFFERENT TURBOS IN Parallel POSSIBLE HAS this ever been done? is it possible ? is it possible thru a single inlet and outlet intercooler or would I need a dual inlet? |
Durp (reading is paramount) |
what issues would be stopping me from building boost ? |
Wait. I misunderstood the question. Are those two different sized turbos? You have both turbos running into a Y & then one outlet? It won't make boost at wot? |
Originally Posted by gtfoxy
(Post 19071736)
Wait. Are those two different sized turbos? |
That's not a good idea. What size are they? |
(1st turbo specs on pass side) T70 Turbocharger!! Turbine Turbocharger Oil cooled only 6 blade propeller Compressor Specs : 4" Compressor Inlet 2.226" or 56.55mm Inducer 2.552" or 74.83mm Major Compressor .70 A.R. Compressor 75 Trim M14 Compressor Turbine Specs : Twin Entry Type 11 Blade Type 58.18mm Exducer Turbine .84 A.R. Turbine 60 Trim 2.894 " or 73.50mm Major 2.275" or 57.78mm Minor (2nd turbo on drivers side) Header: 1.65" Runner Tube 2.5" Cross Header Pipe 3" Exhaust pipe T70 Turbo and Wastegate: Standard T4 Flange to Manifold 0.70 A/R Compressor, 0.96 A/R Turbine Big 4" Air Inlet, 2.5" Air outlet 3" V-Band Exhaust Wet Floating Bearings Oil Cooled |
from what i hear is that the issue would be the smaller turbo spooling up 1st and forcing it against the bigger turbo . is that correct . |
Ok, you are saying "T70". That doesn't mean anything looking at your turbo specs. What is the wheel sizes on the 2nd one? |
http://www.ebay.com/itm/231054559617?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT thats 1 turbo |
http://www.ebay.com/itm/380861381210?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT thats the other turbo |
You're going to have to contact them to get the specs or take the turbo off & measure it. You never answered my question of does it make positive manifold pressure at WOT? Secondly, you have to have the same A/R's. If the compressor wheels are maybe a couple milimeters different, it may, may, work out somewhat OK providing the exhaust sides are identical. I wouldn't do it that way, ever, but it may work. Why didn't you order another of the same turbo to begin with? |
im sorry. it does make positive pressure. i can post a video up in a second. and in the specs it shows different A/R's And this is my 1st build i thought i order the same tubro by typing in T70 1 turbo 0.70 A/R Compressor, 0.96 A/R Turbine ---------------- 2nd turbo 2.226" or 56.55mm Inducer 2.552" or 74.83mm Major Compressor .70 A.R. Compressor 75 Trim M14 Compressor Turbine Specs : Twin Entry Type 11 Blade Type 58.18mm Exducer Turbine .84 A.R. Turbine 60 Trim 2.894 " or 73.50mm Major 2.275" or 57.78mm Minor |
is that the enough |
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Need to know the compressor & turbine dims on both. The big issue is turbine sizing, providing the compressors are even close to the same. That changes airflow & pressures across the side of the engine it is connected to. That requires different fueling & timing. |
sorry this is all the specs i can come up with |
Like I said. Take it off & measure it or contact the company. Plus you need to have at most .68 A/R turbine housings unless you have one heck of a high-flowing motor. |
well from what i was told since one is a .84 and the other is .96 turbine housing, that these are a big difference and not really close to each other |
correct me if i am wrong but the main issue with having 2 different turbos parallel with each other is that the turbo that spools up 1st will push back into the weaker turbo. |
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