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1G TB blocking vacuum ports

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Adrian97

5+ Year Contributor
100
2
Mar 3, 2018
Göteborg, Europe
Hello!
I have 90 TB and I wonder if these ports can be blocked with hoses in this way
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(its not my TB) is there any difference between hoses or caps ?
 
Yes you can block them just as shown in the pic. Hose is cheap and easy, caps are more expensive but cleaner. We're talking differences of less than a dollar though.

FWIW I had my TB ports blocked with hose just as the picture you posted.
 
Be careful if it's truly a 1990 turbo throttle body. Looping them can cause a throttle plate bypass and, thus, idle problems because one of them is after the throttle plate.

See: confirm 90 TB ports

Yes, its truly 90 TB, so in this case will be block 4 nipples with vacuum caps, not hose?
 
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