Update: took it to a mechanic and the fuel pressure read at about 35 psi, so i bought a new one and gonna change it tomorrow, thanks for all your help

Here's an update: Got under the car today and found that the main culprit was the lower front mount, I yanked on the axle and found out that the tranny was hitting the frame, then i checked the mount and it was pancaked, already bought a new one, going to replace it Friday, I'll come back with resul...

Greetings once again, Changed the mount yesterday. I seriously underestimated the PITFA changing this mount would be, but anyway, all done. Now the engine/tranny sits comfortably with a 15mm clearance from the frame. Car feels much smoother at quieter, no more shakes while turning or accelerating. P...

Update as of now: got myself a cheap boroscopic camera, put it into all the cylinders, and lo and behold, a chipped valve, pic below. Now i'm going to take off the head and order the parts. Also, all of the lifter except for one, which is collapsing a bit, but not enough to f a valve up. 2025-05-03-...

Well, this is embarrassing....
Turns out I wired the spark plugs in reverse order, in the process of disassembling the distributor i checked and saw that the wires were backwards.....put it back together correctly and she spun like a beauty, feels like a new car

Here's an update: After removing the lifters, disassembling 3 valve heads with the rope method, i took the seals off and all of them look very worn down, with the hole about ~1mm wider than the new ones, having no proper seal with the valve stem, here are some pics of the old one vs new and new stem...