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Patch for Charcoal purge on 7747?

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Old 07-03-2007, 05:47 PM
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Patch for Charcoal purge on 7747?

Has anyone patched the 7747 code to control the charcoal canister purge (ccp)?

I would guess that rbob has some code for his ultimate tbi code, has any one else done the same?

What are other people doing for the ccp with a 7747?
Old 07-03-2007, 07:43 PM
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Re: Patch for Charcoal purge on 7747?

I used an earlier canister with out a purge valve. A line to the tank, and a line to the throttle body. The TB end was ported vacuum with a restriction.

Never did patch the stock '747 code for CCP.

RBob.
Old 07-06-2007, 04:00 PM
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Re: Patch for Charcoal purge on 7747?

That is a very elegant solution. Thank you.

My purge valve and solenoid are not connect to the canister, that must mean that I have an older one (82 vette)

What kind of restriction did you use?

The extra fuel vapor must affect the tune of the vehicle, correct?
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