I've been on their websites looking at what each offers for small block mopar W2/W5 heads. T&D has a nice set up but it requires machining the heads and modifying the oiling system to feed through the push rods and I really don't want to go through all of that expense coupled with the cost of the rocker set up. Jesel's also require machining of the heads. The gentleman who I bought the Arrow from this past spring, and also the engine builder, is a machinist by trade and he tested the broken rockers and found no fretting or stress fractures in the aluminum. So that information, coupled with speaking with Randy, Jr. at Harland Sharp, indicates that these rockers are probably at the end of their service life. There's been a lot of questions about spring pressure, 655, and cam lift, .685. Both of those specs are well within the tolerance of these HS rockers. So long story short, got a set of new exhaust rockers to replace the ones currently on the engine to finish out the last 3 or 4 weeks of the season up here in Maine, then during the winter come up with a new plan.
