2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

ACV and cats

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Old Oct 2, 2002 | 06:34 AM
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ACV and cats

Can I drive my TII around with no ACV and no airpump for 5 days without cats?

How risky is that? Do I really need to worry about plugging up the cats?

Also can I leave the ACV connected and still have the airpump out? Under those circumstances, do I need to worry about clogging the cats?

Last but not least, where is the best deal for a decent (2.5 downpipe and midpipe that will mount up with the rest of the stock exhaust?

Thanks guys.
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Old Oct 2, 2002 | 07:00 AM
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It'll be fine. The clogging (from no air injection) takes months, not days.
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Old Oct 2, 2002 | 09:40 AM
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Your VDI wont operate with no ACV
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Old Oct 2, 2002 | 09:43 AM
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Re: ACV and cats

Originally posted by Arpus
Last but not least, where is the best deal for a decent (2.5 downpipe and midpipe that will mount up with the rest of the stock exhaust?

Thanks guys.
Best deal for a 3" dp/mp that bolts up to everything else stock is www.thunderfabrications.com
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Old Oct 2, 2002 | 10:57 AM
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please explain VDI, I thought that was on non turbo models only.
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Old Oct 2, 2002 | 11:48 AM
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Originally posted by OC_
Your VDI wont operate with no ACV
No Variable Dynamic Intake on ANY Turbos. Just s5's 89-91.
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Old Oct 2, 2002 | 11:49 AM
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Originally posted by Arpus
please explain VDI, I thought that was on non turbo models only.
Check above.
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Old Oct 2, 2002 | 11:50 AM
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Originally posted by silverrotor


No Variable Dynamic Intake on ANY Turbos. Just s5's 89-91.
wwoops! my bad, didnt know this was a turbo.
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Old Oct 2, 2002 | 11:58 AM
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Originally posted by OC_


wwoops! my bad, didnt know this was a turbo.
I get that problem to sometimes. Not thouroughly reading before I respond. I think I got In **** before which makes me read everything before I respond.
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Old Oct 2, 2002 | 12:33 PM
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Re: ACV and cats

Originally posted by Arpus
Can I drive my TII around with no ACV and no airpump for 5 days without cats?

How risky is that? Do I really need to worry about plugging up the cats?
how can you plug cats, "without cats"

if you ment with cats. not a problem. I've been running a cat with no air pump / acv for months. it'll last longer that way... not plug up.
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Old Oct 2, 2002 | 01:52 PM
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From: Tacoma WA
Re: Re: ACV and cats

Originally posted by Scott 89t2


how can you plug cats, "without cats"

if you ment with cats. not a problem. I've been running a cat with no air pump / acv for months. it'll last longer that way... not plug up.
I meant to say with cats.
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