3 angle valve job with a P&P

[nenedelmambo1]

i was wondering would i notice any gains if i did a 3 angle valve job and a P&P on my head, its a 420a, what kind of head work can i do, to see some sort of gain?

 

[bullettdsm]

Gotta fill in your profile.......

MB

 

[skandel11]

every car on the road has a three angle valve job. doing that is nothing differing then what you have now, if you really wanted to open up your head then i would also do cam so you can take advantage of the porting.

 

[NeMiZiS]

How does a cam take advantage of porting a head?..
I thought the purpose of porting and polishing was just for better flow, meaning a little more HP.

 

[NeMiZiS]

http://www.dsmtuners.com/forums/420a-bolt-tech/133475-port-polish.html

 

[Locke]

How does a cam take advantage of porting a head?..
I thought the purpose of porting and polishing was just for better flow, meaning a little more HP.

They compliment each other.

Super fat ports that flow like a hydrant won't do much good if the cams barely open the valves, and only for a short time.

Likewise, cams that damn near bounce the valves off the pistons, while remaining open seemingly forever won't help too much if the air has to get drawn through a straw of a port to get to the valves.

 

[No_Skillz]

They compliment each other.

Super fat ports that flow like a hydrant won't do much good if the cams barely open the valves, and only for a short time.

Likewise, cams that damn near bounce the valves off the pistons, while remaining open seemingly forever won't help too much if the air has to get drawn through a straw of a port to get to the valves.

Nice visualization.

 

[NeMiZiS]

Locke
You really made that make a lot more sense! Because you explained it so well.. But how do you determine, what cam's you want to run? In order to match it up to how much better flow you have, than the factory setup?

 

[Locke]

With a flowbench, ideally, or through the observations of others with various head configurations.