[urq] 20vt ur-q Backfires - Thoughts?

[Brandon Rogers]

My car occasionally has small backfires on hard 1st to 2nd gear shifts.  And
I do have cats.

Glad to hear I'm not alone....

Brandon
'84 ur 20V

----- Original Message ----- 
From: "Martin pajak" <martin at quattro.ca>
To: "Michael Hopton" <Michael at siliconoptix.com>; <urq at audifans.com>
Sent: Tuesday, August 31, 2004 8:13 AM
Subject: RE: [urq] 20vt ur-q Backfires - Thoughts?


> Now now... ;)
>
> I do get some nice ones once in a while......
> I've scared few pedestrians waiting at a bus stop once... ;)
>
> If we had Catalytics this problem would probably not be there.
>
> How did you like Belgian GP???
> Sorry I missed it... my Taxi service was not available.. :(
>
> Cheers
> Martin
>
> -----Original Message-----
> From: urq-bounces at audifans.com [mailto:urq-bounces at audifans.com]On
> Behalf Of Michael Hopton
> Sent: 31-Aug-04 10:00
> To: urq at audifans.com
> Subject: [urq] 20vt ur-q Backfires - Thoughts?
>
>
> I get quite a bit of backfiring from the 3B engine in my
> '84 ur-q. It has the stock rear muffler and 3" pipe from
> the down pipe. Stock turbo (250,000 mile!) K24.
>
> Sometimes between shifts and also on lift throttle I will get
> back firing. Sounds good, but I am guessing you can have too much?
>
> I don't have an O2 meter but I am guessing rich spikes, or
> possibly oil though the turbo seals?
>
> Martin's car also backfires, probably not as much as mine or he
> just doesn't lift his foot off the throttle, which is true.
>
> Cheers, Mike
>
>
>
>
>
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