My 383 has just been installed. Drove it for the first time today. I have a surge/jerk at around 2k rpm. I had a mail order tune from PCMforless, could it be something with the programming? The Optispark is brand new... I just changed it last week. Any ideas why I have a surge?... What can I check?

Also, I installed my BBK 58mm TB without ever adjusting the TPS... I just screwed it all together and bolted it to the intake. Could thiat be causing the problem?

More details about the car are on my Cardomain page.

Thanks guys