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Below is my first answer or request for more information. If you do not understand it, or you need more information from me, or need me to go in more detail. Do not rate yet, just reply. Put yourself in my shoes, I can not see, smell, hear, feel or touch your car, nor do I know any history on it. So take into consideration I am doing my best based on what you tell me. Also understand fixing cars often requires sophisticated tools, that you may not own. So even if you can not do what is outlined in my answer, that does not mean my answer is wrong deserving to be rated negative.
how long did you let the engine run and did you hold at 2000 rpm for at least 2 minutes?
is the coil and wires new ?
what happens if you spray water n the coil while running does it get worse?
im here trying to get the kids to sleep!!
175 is real good!!1
i would start the car and then go at 1000 rpm then inch it up to 1500 and see if it starts to clear up. does it pop at 1500 rpm?
is the fuel real old?
how long did the car sit not running?
well the lifters needs to pump up and higher oil pressure is needed to force the air out. so that is why i have asked at 1000 and then 1500 to see if it still pops and is the fuel old ? how long did it sit before running again?
i have seen where the cams were flat did you inspect to make sure ? is the ignition wires routed the correct way ? maybe a wire is crossed on the coil . the coil is numbered!! please check
so you have the valve cover off ? pic of the head and cams? so i can have a look see? scan test what faults are sored?
got it thanks
do you have a manual oil gauge to see what is the oil pressure?
why was the head removed curiosity?
need a vin to get the factory specs
did it blow a gasket or another issue? explain
sure let me get that!! need vin # *****
ok let me work on this and will get back later . got a 1hr drive just to get home . is that ok?
will get back later thanks
this is the pics when on tdc
check at the crank front . its the "33.png" file that is tdc
line up the crank to the mark then on the cams there are slots at the end and both must be level hence the lock tool. how many miles on the motor? chain may be stretched (known issue)
show me the pic of the cam lobes on #1 if you can!!!
are the lifters now touching the cam on #1? if you use a flat screwdriver can they be compressed?
did you make sure the valve springs are good ? maybe soft?
soft valve springs can do the same thing!!!
you have to remember that the lifter is on top of the valve and the spring under so the you may think the lifter is soft but it is relly the spring!!
what gets me that 175 psi is great compression. i see you replaced 2 injectors which ones? and scan test what codes are stored?
have you performed leak down test #1?
here you go
seconday injection solenoid open circuit. that valve is in front of the motor near the air pump. either it is unplugged or a broken wire