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Boost problem... help?

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Old Aug 19, 2009 | 12:16 PM
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519 FD's Avatar
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From: Kitchener
Boost problem... help?

So I bought an FD about a month ago and I'm new to the rotary scene. To my understanding the boost pattern should be 10-8-10.

So I did a boost road test and at about 3000rpm I get 7 PSI at about 4500rpm it drops to about 5 PSI

The car is not nearly as fast as it should be.
Anyone have any tips for me?
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Old Aug 19, 2009 | 12:54 PM
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M104-AMG's Avatar
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Originally Posted by 519 FD
So I bought an FD about a month ago and I'm new to the rotary scene. To my understanding the boost pattern should be 10-8-10.

So I did a boost road test and at about 3000rpm I get 7 PSI at about 4500rpm it drops to about 5 PSI

The car is not nearly as fast as it should be.
Anyone have any tips for me?
Get a Mity-vac, preferably from Harbor Freight (fairly inexpensive).

Read, and re-read this, until you can paraphrase everything:
http://www.autosportracetech.com/RX-...leshooting.htm

You CANNOT skip any of the tests, and you must do them in the order describe, as many systems are dependent on other systems.
You must be methodical and thorough, and keep good notes.

Check these threads for Dave Disney's pressure AND vaccuum testing of solenoids:

http://rx7.voodoobox.net/howto/solen...oid_check.html
https://www.rx7club.com/3rd-generation-specific-1993-2002-16/weird-boost-issue-341534/

:-) neil
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Old Aug 19, 2009 | 02:33 PM
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519 FD's Avatar
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From: Kitchener
thanks for the help
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