efficiency rate on a turbo, anyone?
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efficiency rate on a turbo, anyone?
wondering which of these turbos, t3/t04e 57 trim 63ar or a t3/t04e 54 trim 63 a/r, would run at the best efficiency rate on my h22a, anyone?
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Re: efficiency rate on a turbo, anyone? (Markaccord95)
well, 8 psi max for now, about 3-4 months, 15-20 with the built motor
I hope thats quite a build up your planning, thats alot of power with an H22 if you build it right.
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Re: efficiency rate on a turbo, anyone? (Markaccord95)
wondering which of these turbos, t3/t04e 57 trim 63ar or a t3/t04e 54 trim 63 a/r, would run at the best efficiency rate on my h22a, anyone?
Markaccord95,
whenever I'm figuring this stuff out with a pencil and paper, I go to this website that I use to check how accurate my figure are. This is a cut and paste from one of my threads on http://www.preludeonline.com
I quote BlueShadow,
I pencil-whipped the numbers and I also used this calculator on http://www.turbofast.com.au/turbomap.html to double check my work.
at the bottom I used these numbers for an H22:
BORE = 3.48
STROKE = 3.62
NUMBER CYLINDERS = 4
AIR TEMP = 95
intercooler eff = 95
for the calculator I used these numbers from top to bottom.
RPM = 7400, 5550, 5000, 4000, 3700
BOOST = 8 PSI all
VE = 95 (%) for 7400,5550, RPM, 80 (%) for 4000, 3700 RPM
COMPRESSOR EFFICIENCY = 75 (%)
I used these numbers first to see if the blips would fall within the highest % comp efficiency and out of the surge limit and they ALL did.
EDIT I changed some numbers.
[Modified by BlueShadow, 5:39 AM 2/14/2002]
#10
Re: efficiency rate on a turbo, anyone? (BlueShadow)
ok, i plugged in your data, and i know that the 60 trim
is out of question, two points hit surge limit
but wrt the other trims, how would u select
one vs the other..??
is out of question, two points hit surge limit
but wrt the other trims, how would u select
one vs the other..??
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Re: efficiency rate on a turbo, anyone? (Giuseppe)
well, i never got into understanding boost maps yet, according to their calculations, which shows more efficiency, the 54 or 57 trim?
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