With the advent of fuel injection, fuel lines and fittings ... over at Aeromotive about possible fuel system upgrades. According to Brett, the LT1 has excellent fuel rails, but fuel pressure ...

Active fuel management is perhaps the upgrade that has the ... replacing port injection for direct injection, and incorporating active fuel management mean the LT1 engine is more refined and ...

Katech expects comparable or better driveability on the LT1 due to direct injection ... port—are for the fuel rail, not the intake manifold. See All 26 Photos 17.Katech upgrades the stock ...

All LT-series engines are direct-injection, meaning the fuel is pressurized between 2,000 and 2,900psi (2,175 for LT1, 2,900 for LT4 ... Aftermarket upgrades to bolster fuel flow can be made ...

The crankshaft in the Gen V small block is located with new nodular main bearing caps – a significant upgrade ... pressure fuel pump for the direct-injection combustion system. The LT1 camshaft ...