[urq] hesitation at WOT

[Mike Sylvester]

When I 1st got my car together I struggled a lot with the timing getting
retarded and misfiring.

I found that it is very sensitive to the routing of the plug wires with
respect to the engine harness that connects to all the sensors on the
driver's side of the engine.

I have it pretty good right now, but I get an occasional misfire.
It is a bit dis-concerning for me as I don't want to get spark hop at
30psi.
Bad things could happen.  I should get the software that you have, so
that my boost is limited to 24psi.

I run the F5DPOR, but just last week I thought I would try the NGK plugs
that a few guys on the s-car list swear by.  For me they were NFG not
NGK.  When they were installed I would get a constant mis above 20psi.
The same feeling you get with a bad coil in an S-car.  I switched back
to the F5DPOR and the mis was gone.
Maybe I got a bad set, but who knows.  

BTW, don't take advice from 034.  Just because they claim to have done
something, doesn't mean it works in the real world.


Mike

www.urq20v.com

> -------- Original Message --------
> Subject: RE: hesitation at WOT
> From: "Brandon Rogers" <brogers at terrix.com>
> Date: Wed, April 27, 2011 12:52 pm
> To: "'Mike Sylvester'" <mike at urq20v.com>
> 
> 
> Hey Mike - I think I get a little bit of both.  When I mash it when rpms are
> just shy of 3000 (for me boost hits at ~3300 here in Denver), sometimes I
> get a small buck (misfire?) then it kicks in.  I do sense the timing gets
> pulled back pretty often - I don't have a huge intercooler. 
> 
> Steve Eiche did my software - I think it very similar if not the same as
> MTM.  But not sure.
> 
> Thanks-
> 
> Brandon 
>  
>  
> 
> 
> -----Original Message-----
> From: Mike Sylvester [mailto:mike at urq20v.com] 
> Sent: Wednesday, April 27, 2011 5:34 AM
> To: brogers at terrix.com
> Subject: RE: hesitation at WOT
> 
> 
> Brandon,
> 
> Can you better describe the hesitation?
> Does it feel like a misfire or the timing being retarded?
> 
> Unrelated, what software are you running?
> I have MTM RS2 and I get almost 30psi.  I think it is too much.
> 
> Mike
> 
> www.urq20v.com
> 
> > -------- Original Message --------
> > Subject: hesitation at WOT
> > From: brogers at terrix.com
> > Date: Tue, April 26, 2011 10:36 pm
> > To: 200q20v at audifans.com
> > 
> > 
> > Guys-
> > My motor is hesitatin' at WOT. Not always, I don't think - but enough. 
> > Motor is stock save for RS2 turbo, EM, and software. Running about 24 psi.
> > It's been about 35,000 miles, 7 years since I did a cap and rotor. How
> long do those last? Could it make sense to replace the cap but not rotor?
> Plugs are F6DTC - not F5DPOR - they have at most 5000 miles on them. I
> cannot remember if I've ever done the plug wires...
> > 
> > Thoughts?
> > 
> > TIA-
> > 
> > Brandon
> > '84 ur-quattro 20Vt
> > 
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