1. When converting V-6 VRO crossflow engines to OE twin pulse pumps, ensure pulse hoses from block have internal spring # 0315942 inside then or they will collapse at high speed and cause a lean/no fuel condition.
2. To save $$$$$ on V-4/V-6 intake recirculation valves, I use Mercury part # 21-426582. Instead of $40, these can be found on EBAY for $5-$10. Work just fine.(Sacrilegious)