turbo versus blower
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Senior User
Joined: Jun 2010
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turbo versus blower
which does everyone think is better twin turbos or a blower? this would be completely home built systems. also if blown could you put a clutch drive so you could turn it on and off so as to fuel amounts or would it need to run all the time. and yes the a/c is gone , made lots more room and got rid of about 75lbs of useless junk. lets see which one gets more support and ideas.
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Senior User
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From: NW Ga
Blowers can produce much more pressure than a turbo. I think it was here that I read about someone putting a psd turbo on a idi. The opinions there was that the psd turbo produced to much pressure for the motor to handle. So i would think a blower would produce to much pressure also. Now about the homemade part. The hole idea of both is to increase the amount of air in the cylinder by increasing the air pressure. So if you do your homework it will not matter cause you will be trying to pump the same psi into your engine with either system. So the real questions are now which is cheaper and/or easier. Homemade or aftermarket? I have read that you can buy used turbos with all the plumbing for about $500. If can you make a homemade blower that puts 8-15 psi or what ever your engine can handle for less, go for it and let me know how.
Postmaster
Joined: Jan 2010
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From: Elk City, OK
blowers can NOT produce more boost then a turbo. your average blower would over wind before it hit 20lbs and your belt pulley would be as think as a needle. a turbo can do well over 35psi. i would go turbo for a diesel. theres new marine engines that are running a supercharger that feeds dual turbos. cool looking setup.
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From: Renton, WA
How about turbos feeding a blower, just saying would be pretty cool.
In all seriousness how much boost can it handle? And how would you be using it? Turbos are more efficient but take time to spool up. Blowers are instant power but are a big drag on the motor, even more so a diesel because there's no throttle. I vote for staged turbos.
In all seriousness how much boost can it handle? And how would you be using it? Turbos are more efficient but take time to spool up. Blowers are instant power but are a big drag on the motor, even more so a diesel because there's no throttle. I vote for staged turbos.
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Elder User
Joined: Jun 2010
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From: Salisbury NC
ya im goin for the turbo a supercharger would look cool but not give you as much bang for your buck
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Senior User
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From: NW Ga
oreocreaming might be right?
I do not have much experience with either but I have here the "Automotive Encyclopedia by Goodheart-Willcox which states that " superchargers are designed to develop from 4-20 lb pressure". This is from a 20yr old book so im sure they have improved them. Superchargers are designed to produce a lot of power quick but the turbo is more efficient. Oreocreaming is that why they put them on all the dragsters? I have read that the psd turbo produces about 15psi (I think) and the 7.3 can only handle about 10psi from reading other post. N/A vs pst have different compression ratios.
7.3 L IDI Diesel Specs & Information
Check out this site it gives you a the specs for the 7.3idi and psd. Notice that the psd has a lower compression ratio witch usually means less power in a diesel but with a lower compression you can pump more air and fuel into the engine and produce more overall power
7.3 L IDI Diesel Specs & Information
Check out this site it gives you a the specs for the 7.3idi and psd. Notice that the psd has a lower compression ratio witch usually means less power in a diesel but with a lower compression you can pump more air and fuel into the engine and produce more overall power
Senior User
Joined: Jun 2010
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From: NW Ga
In all seriousness how much boost can it handle? And how would you be using it? Turbos are more efficient but take time to spool up. Blowers are instant power but are a big drag on the motor, even more so a diesel because there's no throttle. I vote for staged turbos. <!-- / message --> <!-- sig --> __________________
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Postmaster
Joined: Jan 2010
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From: Elk City, OK
anything above 13psi your asking for trouble on the idi, not sure about the 7.3 but my company 6.0 was running 34 psi boost. and dragsters use superchargers because they are instant boost. also they suck the fuel straight from the carb and the forced induction atomizes the fuel well. you can run a turbo on a carb setup, you would use a "blow though" carb. but again, you get lag lag lag. when your whole run is under 5 seconds, you need instant results. even .001 of a second will lose you a race.
Postmaster
Joined: Jun 2008
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From: Michigan
looks like were makin an IDI dragster. Might have a truck that can beat my 0-60 time, but its cheatin if he has a blower lol
Elder User
Joined: Mar 2010
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honestly methinks we're dealing with someones pipe dream