is it hard to put the y8 head on a z6 block. i spun a rod bearing on the y8 and threw a z6 in my 98 but i cant get it to run at all. wondering if the y8 intake mani wont work on the z6 head since i cant get the darn motor to run. changed everything to obd1 with a p28 ecu and conversion harness. im runnin out of money and patience with this car any help would be awsome. some info to go with it. i have the y8 intake mani on the z6 and the z6 has the obd1 z6 dizzy thats been depinned and matched back up, p28 ecu, obd1 to obd2 harness conversion everythings plugin in as far as plugs and all fuses good. have fuel to the rail not 100% sure on spark since. please any help would be sweet.