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SVTPerformance's Chain of Restaurants
The Distillery
Dont know which way to go on my fuel system....
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<blockquote data-quote="Joshzt" data-source="post: 10665052" data-attributes="member: 123214"><p>Which part? Vapor? Alcohol and gas have two different boiling points. That being said all cars have blow by to a certain extent which is why you have pcv/evap systems. When gas is injected into the manifold it is in liquid state and remains a liquid state during the combustion process. E85 however is a very low boiling point, when it is atomized the heat from the manifold itself is enough to vaporize it. Now back to all motors having small amounts of blow by. The liquid remains of gas the make it past the rings mix with the oil. With e85 however it does not mix and those vapors are recirculated (or should be through your system via pcv/evap). In turbo/sc applications you end up having even more blow by than a NA car. So with that being said, catch cans should be rerouted back to the oil pans with a check valve in between and pcv should be routed back to the manifold.</p><p></p><p>Like I said above though I am not familiar at all with how your motors route/deal with crankcase pressure, it might not even be an issue with your vehicles. More of a heads.</p><p></p><p>something like this, will usually solve the vapor problem though <a href="http://www.summitracing.com/parts/MOR-25900/" target="_blank">http://www.summitracing.com/parts/MOR-25900/</a></p><p></p><p></p><p>044 or bust</p></blockquote><p></p>
[QUOTE="Joshzt, post: 10665052, member: 123214"] Which part? Vapor? Alcohol and gas have two different boiling points. That being said all cars have blow by to a certain extent which is why you have pcv/evap systems. When gas is injected into the manifold it is in liquid state and remains a liquid state during the combustion process. E85 however is a very low boiling point, when it is atomized the heat from the manifold itself is enough to vaporize it. Now back to all motors having small amounts of blow by. The liquid remains of gas the make it past the rings mix with the oil. With e85 however it does not mix and those vapors are recirculated (or should be through your system via pcv/evap). In turbo/sc applications you end up having even more blow by than a NA car. So with that being said, catch cans should be rerouted back to the oil pans with a check valve in between and pcv should be routed back to the manifold. Like I said above though I am not familiar at all with how your motors route/deal with crankcase pressure, it might not even be an issue with your vehicles. More of a heads. something like this, will usually solve the vapor problem though [url]http://www.summitracing.com/parts/MOR-25900/[/url] 044 or bust [/QUOTE]
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SVTPerformance's Chain of Restaurants
The Distillery
Dont know which way to go on my fuel system....
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