hey i did a heads cam intake swap on my 88 gta 5.7, i got the 30lb injectors n a chip burnt for it. it was running fine yesterday n then i hooked up a fuel pressure gauge to it noticed it was at 30 psi so i put it back up to the 43 psi spec. but once it went to 43 the needle started bouncing a little bit between 42-45 psi. started having a harder time starting after that, now today it just wont start, any ideas on wat to check or anything?

 

the pressure might be too high. to much pressure = no start. try lowering the psi

 

Doesn't sound like your guage is working correctly. Those injectors sound a bit large too. I actually lowered my fuel pressure when i installed my 24 lb injectors. Try a different guage and try lowering your fuel pressure to stock.