Originally Posted by
truckmann
I've got a rear air intake, Fizzle intercooler and hoses with BOV, catch can and IMUK delete. I still can't get over 8000 rpm @ 70 mph.
I started with a Riva Stage 2 tune and now have moved on to trying to figure out HPtuners. I've checked everything I can think of and just can't figure it out.
Plugs where new in the spring, oil is half way on the dipstick check correctly. The stock impeller still looks new and the wear ring is new. The compression is good and I reset the SC slip to 15 ft-lbs. Nothing has made much of a difference from stock with a SCOM. Starting to feel like I've just wasted a lot of money for nothing. I found a good deal on a new 21+ impeller that should be here soon. I'm going to give that a try just to see if it makes any difference.