View Full Version : boost gauge help please

06-11-2008, 06:26 PM
could anyone help me out and tell me what vacuum line is best or is the right one to cut for the T that comes with the boost gauge. i been looking for a diagram for my s13 sr20 and cant come across one. will appreciate the help. thanks

06-12-2008, 02:11 PM
There are the 2 vacuum sources off the top of the intake manifold.

One is to be used only for the BOV.

The other one is the vacuum supply for the fuel pressure regulator.

T you boost gauge into the FPR vac line.

This has been covered a number of times already.

06-15-2008, 08:11 AM
and your wastegate line should be there as well. fpr line works well.