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Anonymous
Guest
I was thinking of going with the Aussie 250 head, normally aspirated & now I'm seeing the recent posts on turbocharging & I'm beginning to wonder. Let's hear all of your thoughts on this one. 
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Anonymous
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personly i rekon there is none.. except for costs
a good, decent, properly set up turbo system can only improve the car.
cheers.joe.
a good, decent, properly set up turbo system can only improve the car.
cheers.joe.
Higher operating costs due to speeding tickets and rear tire wear.
Seriously though, ANY modification which increases performance is going to decrease the life of the engine. How much of a decrease is dependent on how well you build the engine and how ambitious you are with boost levels. Do a good build with properly prepped crank and rods, ARP fasteners, good gaskets, etc and keep the boost within reasonable limits, like 8 PSI or less and you will have no significant decrease. Push the limits and you will.
The stock tranny and 7.25" rear end are going to get damaged WAY worse than the engine.
Seriously though, ANY modification which increases performance is going to decrease the life of the engine. How much of a decrease is dependent on how well you build the engine and how ambitious you are with boost levels. Do a good build with properly prepped crank and rods, ARP fasteners, good gaskets, etc and keep the boost within reasonable limits, like 8 PSI or less and you will have no significant decrease. Push the limits and you will.
The stock tranny and 7.25" rear end are going to get damaged WAY worse than the engine.
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Anonymous
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What SR said and speeding tickets and lost weekends at traffic school. 
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Anonymous
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I am going to say a down side it the time it takes to do it. It can be done real cheap if you can come up with some good used parts. Once it is done though......wow!
Dan
Dan
8) the down sides depend on your settup. if poorly done or poorly selected, then the down sides are many, including the destruction of a good engine, poor fuel economy, poor performance, etc. if the system is propely settup and maintained, then the only real down side is a slight increase in wear, and a slight increase in fuel consumption because, as slade indicated, the tendency to use the new power.
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Anonymous
Guest
HEAT.
Turbo's build heat, which will transfer to your intake charge and the eng bay. Heat is inefficient. That's why modern cars are intercooled, but that would add more cost to the build. However, sometimes the hp increase out ways the inefficiencies so there will still be noticeable increases in power. Apart from that just the lack of fuel economy due to the fun factor! I know I have a lead foot!
Duane
Turbo's build heat, which will transfer to your intake charge and the eng bay. Heat is inefficient. That's why modern cars are intercooled, but that would add more cost to the build. However, sometimes the hp increase out ways the inefficiencies so there will still be noticeable increases in power. Apart from that just the lack of fuel economy due to the fun factor! I know I have a lead foot!
Duane
