I just pulled the head on the 1996 7-Bolt that I took out of my Spyder GST. Upon doing so, I found the exhaust valves had an uneven white crusty substance on their faces as well as a white substance on the valve stems, viewable through the exhaust ports when the exhaust manifold is taken off...

Hi guys!After a year of driving I pulled the exhaust manifold to add some heat shielding. Meanwhile I checked the valves and noticed a slight black buildup on the exhaust valves. I doesn't seem serious, but i think the combustion is not perfect, here is the best pic I could take:I am...

Brian Crower Intake and Exhaust Valves. QTY 16. PN: BC-3100 , BC-3101 Standard size: 34.0mm Intake. 30.5mm ExhaustSupertech Valve Guides Intake & Exhaust. QTY 16. PN: STC-GDE-MI66-STE/I Supertech Valve Stem Seals. QTY 16. PN: STC-VS-M6.6Kit Topline "Revised" Lifters. QTY 16. PN...

This build is into it's forth year and thousands of hours in mech time with only a handfull of kills DAMMIT! : )Whats the problem and description?Our 1g streetable 5sp to auto converted grudge race drag car, still has a bunch of JNZ parts on it, including the jmf race mani, Kelford 280s...