Compunds vs procharger - Ford Powerstroke Diesel Forum
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Old 02-18-2011, 09:04 AM
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Compunds vs procharger

I have been throwing around the idea of building one or the other just haven't made up my mind. There had been some talk about these set ups so I thought I would start a thread about it.

What I know.

Compunds are proven to make the power and be reliable. It doesn't require altering any belts. It's not limited by the rpm of the motor. There is more exhaust restriction with compunds because it has to pass threw 2 chargers.

Procharger set up has instant spool up, if there is rpms there is boost. Very simple pipe set up as compared to compounds but requires makeing a belt set up to run the procharger and can have problems with the belt slipping. I think it wouldn't require as much back pressure control as a compound set up but I'm not sure.


Please note this is not about what is best for me buy just to debate the two.
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Old 02-18-2011, 09:08 AM
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isnt doug at gogo making that cogged setup for imelmos procharger setup? That would limit any belt slip..

my buddies VR6 VW is supercharged and uses a cogged setup and lost all of his slip

its more of a gear than a belt
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Old 02-18-2011, 09:10 AM
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Yeah Doug is changing Danny's truck to a cog set up. I'll have to ask my buddy that has one and see what he uses.
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Old 02-18-2011, 09:13 AM
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cool man, i think if you want to tow, and make reliable power that would be the ideal setup, but compounds have been proven time and time again. i'd like to see more prochargers around
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Old 02-18-2011, 09:33 AM
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"Its serp belt on the front with a jack shaft that has a cog that drives the blower."

So it looks like cog is the way to go
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Old 02-18-2011, 09:45 AM
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do you keep the stock trubo with the procharger?
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Old 02-18-2011, 09:51 AM
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You can but it will be a limiting factor. I would upgrade to a 70+mm turbo if i did it.

Last edited by 06powerstroke06; 02-18-2011 at 10:00 AM.
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Old 02-18-2011, 09:56 AM
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Old 02-18-2011, 10:53 AM
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the for/against arguments I have always heard for each are follows:

1- superchargers work better when you need more low end power, but they do not produce as much high end power.
2 - superchargers are more linear, but their is parasitic drag at all power levels.
3 - turbos take wasted energy and turn it in hp.
4 - turbos can be additive and keep making more power for as much turbo as you want to add.

I have seen youtube vids of qaud turbo drag cars. I know a guy that worked on one (he works for a company that CAD aided robot work) that made 2100 hp. Top fuel. Was just insane.
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Old 02-18-2011, 11:02 AM
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Very good info but you have to remember diesels are completely diffrent than gas cars. The procharger is feeding a turbo so it has high end power aswell
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