NoPistons -Mazda Rx7 & Rx8 Rotary Forum

NoPistons -Mazda Rx7 & Rx8 Rotary Forum (https://www.nopistons.com/)

- 3rd Generation Specific (https://www.nopistons.com/3rd-generation-specific-18/)

- - Vac. On Boost Gauge (https://www.nopistons.com/3rd-generation-specific-18/vac-boost-gauge-35983/)

8urvet

03-21-2004 08:33 PM

i have a boost gauge that reads vac. at idle it reads 16 is that good?when you rev it boost goes to a little over 5lbs is that good?

TURBOX2

03-21-2004 08:41 PM

16 isnt bad...i believe the ideal vacuum should read between 18-21 (correct me if i am wrong) and seeing a little boost at idle is fine it means that the butterfly on top of the turbo is opening up properly. 5 lbs seems a little high for nuetral but someone else can confirm that one.

ALNY93R1

03-21-2004 09:23 PM

My Vac is usually at 18 and I rev in neutral I hit about 3lbs.

8urvet

03-21-2004 09:28 PM

ok thanks

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