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The Eaton Gen V supercharger faq / swap thread!! (genv, gen five, gen 5)



It is positive crankcase ventilation. Its purpose is to reduce emissions, and reduce sludge.

When the engine has high vacuum some air is routed through the crankcase and then sucked into the intake manifold. These air is metered (measured by the mass air flow) so that all air going into intake is accounted for an the proper fuel is delivered.

This helps reduce moisture from accumulating in the crankcase. It also keeps the engine from smoking a little bit like the pre PCV cars did.

Emmisions are reduced because that smoke or vapor has some hydrocarbons in it that is now sucked into the intake and burned.
 


im converting over to a gen 5 i just bought the blower yesterday, i have a few questions though i see in the thread it says you can just machine your gen 3 intake manifold i would rather do this to save money instead of buying a gen 5 intake manifold. but are the manifolds almost the same besides the air inlet area? so where the red arrow is i have to machine that to match the gasket right? and where the blue arrow is pointing it looks like on the gen 5 intake there was something else that goes there like a more elongated hole? and where the yellow circles are is that where the fuel rails bolt up? is it basically the same manifolds besides the air inlet? should i just machine mine i want to save money if i have the option.

2cmvlh1.jpg
 
I did this write up quite a few years ago when the Gen V and L32 manifolds were kinda hard to come by. These days, the cost of machining will probably be more than u would pay for an l32 manifold.

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true but i have a friend who could machine mine while its off he's helping me do the swap is it worth it or should i just buy a L32 manifold? did you machine yours or do you have the L32 manifold
 
Note once machined bigger for gen 5 the air inlet is to big for gen 3 to seal. so it is not backwards compatible.
 




Oh man this is exactly what I was looking for, I really want to do this and I think I can. A year down the line or maybe this winter will see! Awesome write up.
 
what would happen if you didnt install a breather on the valve cover or run a vacuum line from the evap on the gen 5 to the L67 throttle body?
 
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