Quote:
Originally Posted by mtimney
Unichip Jack.....Finding a stable tune for my new header??
I'm running a P&L header, Perrin overpipe, 2.5" Isis pipe/muffler with a 2nd cat delete, and a drop in filter with a Perrin silicone intake tube. I'm uding 93 octane and have tried the appropriate 'all header/all cat-back/all drop-in tunes with fuel+ and fuel-. I've also tried advancing the timing on these. I tired timing- for one run, but I'm not getting anywhere.
I notice very little difference between the tunes. They all seem to run rather well at first, but after a couple hours of driving I start having a rough idle, some hesitation when I hit the gas and an inconsistent engine running up the RPMs.
I had things working well before I added the header, but now....??? Help!
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Is this what everyone should expect to experience when upgrading to a header while using a Unichip or is this an isolated problem? Does anyone else run a head with the unichip without a problem?