My 2jz swap
#121
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#122
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#123
350Z-holic
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Start on the X-axis ... at the 77% efficiency oval (that center island) you can move ~50 to ~55 lbs/min with a (look at the Y-axis) pressure ratio of ~2.2:1.
your pressure ratio is your boost pressure divided atmospheric pressure ... at sea level it's 14.7psi.
At your turbos peak efficiency you can move ~50 to ~55 cfm at ~30 to ~32psi ...
You can push the turbo harder to 40-42psi (pressure ratio of 3:1) and move ~60lbs/min of air but you're decreasing your turbos efficiency, adding heat, spinning the blower harder, etc.
I love the adage that boost pressure does not equal air flow
this is how I understand a compressor map but I'd love to hear more insight from members with more FI experience than myself.
your pressure ratio is your boost pressure divided atmospheric pressure ... at sea level it's 14.7psi.
At your turbos peak efficiency you can move ~50 to ~55 cfm at ~30 to ~32psi ...
You can push the turbo harder to 40-42psi (pressure ratio of 3:1) and move ~60lbs/min of air but you're decreasing your turbos efficiency, adding heat, spinning the blower harder, etc.
I love the adage that boost pressure does not equal air flow
this is how I understand a compressor map but I'd love to hear more insight from members with more FI experience than myself.
Last edited by bealljk; 04-24-2018 at 04:11 PM.
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iideadeyeii (06-26-2018)
#124
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Thread Starter
Start on the X-axis ... at the 77% efficiency oval (that center island) you can move ~50 to ~55 lbs/min with a (look at the Y-axis) pressure ratio of ~2.2:1.
your pressure ratio is your boost pressure divided atmospheric pressure ... at sea level it's 14.7psi.
At your turbos peak efficiency you can move ~50 to ~55 cfm at ~30 to ~32psi ...
You can push the turbo harder to 40-42psi (pressure ratio of 3:1) and move ~60lbs/min of air but you're decreasing your turbos efficiency, adding heat, spinning the blower harder, etc.
I love the adage that boost pressure does not equal air flow
this is how I understand a compressor map but I'd love to hear more insight from members with more FI experience than myself.
your pressure ratio is your boost pressure divided atmospheric pressure ... at sea level it's 14.7psi.
At your turbos peak efficiency you can move ~50 to ~55 cfm at ~30 to ~32psi ...
You can push the turbo harder to 40-42psi (pressure ratio of 3:1) and move ~60lbs/min of air but you're decreasing your turbos efficiency, adding heat, spinning the blower harder, etc.
I love the adage that boost pressure does not equal air flow
this is how I understand a compressor map but I'd love to hear more insight from members with more FI experience than myself.
#125
350Z-holic
iTrader: (13)
I'm not sure how to correlate your whp to a flow rate of a blower.
Youd have to really dig down and factor in your drive train losses/losses on the dyno/the differences between the compressor maps optimal operating environment vs. what the car was tested at to get a link between your peak efficiency and your dyno-gauged hp measurement.
Last edited by bealljk; 04-24-2018 at 05:05 PM.
#126
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Working on the bumper, trying to decide what to do with the open space left in the grill. To make a duct directing the air to the intercooler or use mesh.
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BluestreamDE (05-02-2018)
#131
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I have a Treadstone TR1245 and I love it!
Last edited by BluestreamDE; 05-02-2018 at 01:14 PM.
#132
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#135
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#137
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new built block with 10.1 compression
ordering all the little parts so i can swap it over in a few weeks.
Last edited by chase z; 06-25-2018 at 04:08 AM.
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blax 350 (06-25-2018),
BluestreamDE (06-26-2018)
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BluestreamDE (07-05-2018)