[storm22]

i have a 89 mustang LX. just dropped in a .30 over 351 windsor. it has blue ridge 1.6 roller rockers, pushrod guide plates, Lunati bracketmaster 2 cam thats 512 lift. ported, polished and milled 302 heads with bigger valves. flat tappet cam btew with lifters. It started idling at 40-50 psi now it drives at 2000rpm at 5-10 psi. what causes this. the valves need adjusted, but what else cause it? i drove it 25 miles this way and then parked it and wont drive it till i fix it. it also has long tube headers, msd ignition and all that. all help appreciated.