Originally Posted by
Quietman
Hi
I have a b9 to replace my grp tuned engine.I have broken the engine in but the engine seem to get very hot 160-180f but does not have the power anywhere near the grp which has had a full rebuild.The tried different plugs rb 6-7 better with 7 ran cooler.But does not have the top speed.
Thanks
That sounds like a tuning or clutch issue. I have been fortunate to have guys at the track help me tune. WHen I first went out, it topped out about a 1/4 of the straight. Cool puller had me pull it over several times and bam she would scream down the straight.