Guys, I could use some help. My 98 discovery(series I) blew the head gasket 7-8 mo's ago. I've had it sitting until recently when I've had time to take the heads out(had them machined and new seals in valves), I put it all back together and now it won't start. I've been searching the forums for some trick, or potentially something I missed when putting it back together and so far haven't found anything. I replaced the battery, oil, fuel, and air filters, new spark plugs, it turns over easily (with no "bad" engine sounds). I've tested the fuel rail and with the fuel pump running I'm getting around 40 PSI, just under 35 after it primes. I believe I'm getting spark as after using a light amount of starter fluid it begins to "catch." I'm not seeing any ODB2 error codes. Any help or advice that you could pass on would be appreciated. Thanks!