some of you may have been following my problems with my 70 and the 400 in that.....RPM trouble...... well I just rebuilt the engine in my 72 it went something like this...... started sat morning at 8am with teardown in the car.........strip all acc. heads intake carb 2 barrel. rad. undue exhaust. that was done by 11 am......then pulled out the short block. tore that down and replaced barings, rings. very little wear in cylinders. didn't have honing balls so I did a little sand pappering to cylinders......had it together by 2pm that day and put it back into the car. broke one trans bolt the one near the starter. once in I put on the fresh cylinder heads.....light porting and bowl work. oh and I went with larger valves. only because they were around.they are 2.19 1.71 4V valves stainless. I intalled the cam don't ask me why I didn't when the engine was out.....lol it's a comp extreme kit.....springs cam lifters and chain.....512 lift. with an old holley street dominator single plain intake and an autolite 600 carb. off a 69 390......now it's about 8pm.....still have acc. and fluids.....hungry now and tired called it a night. started sunday at noon.....hooked up everything filled the fluids and was about to start it it's about 5 pm now had no bat terminals old ones were toast.....quick run to auto parts store back at it now about 6:30 last final check...........and fired it up smooth as silk!!!!!!! ran it for about 1/2 hour...........break in the cam......awesome!!!!! sounds nice and crispy!!!!! good throtle response!!!!! and boy does it ever haul!!!!! all done for about 1100 dollars!only big expence was heads....500. cam kit 400 and ring bearing and all fluids the rest...go figure!!! pulls right to 6000 rpm.....now what is the problem with my 70 and the big dollar engine??????
"now what is the problem with my 70 and the big dollar engine??????" The easy cheap shot answer, its a ford
gotta make an exhaust leak by losenin up some stuff so you can dispel that flow problem, then if not dive into spark related stuff.
