they look pretty hogged out from that pic. need some better pics. did they do anything to the combustion chamber or the exhaust ports? Just make sure that none of the ports were opened up past the lip of the gaskets. If they were its not going to seal. If all the gaskets seal on it you should be fine.

 

exhaust is unported, he told me that most porting jobs dont touch that side, is that true?

 

That sounds like bs. more air going in means you have more exhaust coming out. I am by no means a machinest but my ported heads have the exhaust ported as well as intake.

 

2v exhaust ports dont need much work but should have the cast flashing cleaned up, whole port cleaned up and the bowl can use a little work.

look in your intake port and see if there was any grinding done on the turn on the floor of the port by the valve. if it looks like they grinded alot there then i wouldn't even consider putting the heads on.

 

ok good, so most people dont port the exhaust side, i guess it makes since you only want to go as big as your header diameter, 1 5/8 inch, and more and its pointless for flow...
it makes since in terms of fluid mechanics.

 

i'd like to hear more on this.... anyone know?

 

^ someone replied saying that when you port out NPI and PI heads that the difference in flow is neglegible

 

here is some more pictures of the things i got a few days ago and a better shot of the ported area!






what do you guys think?

 

wanna sell those 24lb injectors?

 

I wouldn't use those heads, and here's my reasoning:

#1 Porting a head without a flowbench is like porting them blindfolded, you don't know what you're going to end up with. It's possible to make lower HP numbers if they weren't done correctly.

#2 Whoever did the porting didn't touch the area that needs work the most.