Blow off valve question
08-18-2007, 11:49 AM
#1
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Join Date: Oct 2006
Location: Granger, Indiana
Posts: 99
Blow off valve question
When i did my turbo swap i put in an 83 turbo motor that came out of an automatic zxt.Since then i have been reading a couple of posts stating that the automatic didn't need a blow off valve but, rather had the pop off valve.
I am running a 5 speed with my swap and just need to know if i do in fact need the blow off valve.Sorry if this sounds stupid.I am just confused.Any help would be greatly appreciated.
I am running a 5 speed with my swap and just need to know if i do in fact need the blow off valve.Sorry if this sounds stupid.I am just confused.Any help would be greatly appreciated.
08-18-2007, 05:13 PM
#4
NisTuner
Join Date: Sep 2005
Location: Cleveland, Ohio
Posts: 2,800
The pop-off valve functions as an emergency release valve, if pressure gets too high in the manifold it will open and release the pressure. Similar in theory to a blow off valve, but it only opens around 9psi I believe. So really this isn't going to help you like a blow-off valve will. So yes you will need a blow off valve.
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