I run the DCPR8EIX and they are great. No need for 9's for me.
NGK are a good spark plug brand.
NGK plugs have never failed me at my shop. I'm pretty sure they're NGK 3199 plugs
i changed the plugs out for oem replacement NGK plugs (it had bosch platimun +2 in it) and a set of wires. and it ran just fine it was fixed. i then decided to swap my other coilpack back in and it ran fine no issues at all.
I put in NGK PFR7B plugs and R8 coil packs. Smoothed the idle out and judging by the butt dyno the rev/boost response seems great.
I run stock NGK with .026 gap as well and I've been anywhere from 10-18psi
The plugs were only part of the problem. (They were NGK VW/Audi part#1010000035AB, NGK BKB5EKU. Good plugs, lasted forever. Sure, they needed to be replaced, but the #6 plug well must have been flooded a time or two before the radiator was replaced last month. The metal plug jacket had a lot of green crud in it. I cleaned the plug jacket with cylinder brushes from Harbor Freight ($7.00 without coupon for an assortment 3 sizes in SS and brass) and finished with medium emery paper wrapped around a thin long screwdriver. The motor runs smoothly now, across the RPM range, without hesitation.. I'm wearing a pretty wide smile.
Oh and I missed on letter on the spark plug it's BKR6EOUP. It's a NGK "R" type.
I have tested the BCPR7EIX which did not make any difference to my car. I felt that the standard plugs worked well vs these.
I'm having the exact same problems with my 01 GTi VR6, ive replaced the coil pack and wires/plugs twice within 20,000ish miles...
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