Advice for new 90tq needed -- movin forward

[JShadzi at aol.com]

Ed, on a CIS car there is no real way to do "blow off" mode as you describe.  Blow off means you're getting rid of metered air, a big no no which will cause the CIS system to run rich, its giving fuel to air its metered, and you're dumping it out to atmosphere before it gets to the combustion champer.  You need to install the valve correctly, to recirculate, then you will find your car runs much better (assuming other problems aren't present.)

HTH,
Javad

w...
>
>Lookin at my setup last night I realized I made a
>total newbie mistake and the blow off valve was
>installed backwards ! Several of you thought this
>could be the problem.
>
>Once I had it plumbed correctly it idled much better,
>although there is still some smoke and it stumbles
>when you give gas. Tonight I'll check the timing,
>clean the plugs and have another go at it on the road.
>
>Right now the blow off is vented to atmosphere and
>several suggested this might not be a good idea on a
>CIS car. I think I'll take it off before my test drive
>and eventually plumb the outlet to the CIS meter head boot.
>
>=====
>-ed
>
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