Tial blow off valve

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01-08-2003, 10:37 PM

Manson

0.0 BAR

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Join Date: Jan 2003

Posts: 8

Tial blow off valve

Can you adjust a tial blow off and and if so how it doesn't work as well as it did with higher vacume engine only has about 10 hg at idle now

01-08-2003, 11:03 PM

HMT-Admin

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Join Date: Dec 2002

Posts: 13,991

Re:Tial blow off valve

You cannot adjust the tial blow off valve, they have preset springs inside the body of the valve. I had a problem with mine opening on my race car, since I have larger cams, and was not getting good vacuum. I ordered the 18in vac spring and it works perfect now. I dont know how low of springs they make. I would call and ask.

Jeff