Porting/Matching

[medici999]

What exactly is the difference?

If im wanting the upper and lower inlets doing, is it worth getting them ported or matched?

Also, has anyone ever ported the cylinder head on a 182?

Thanks

 

[Cookson]

Same thing.

I wouldnt be attempting it yourself though

 

[medici999]

I wouldnt be doing it myself

 

[medici999]

How come ported cylinder heads are so expensive?..are the gains that good?

 

[Fred@BTM]

labour intensive

 

[broster@JAM-Sport]

Porting a 182 cylinder head properly takes a long time, there is a fair amount of work involved in it, the inlets are much simplier to do.

 

[Hutchie]

i port heads and manifolds and see decent results.





haters gonna hate.

 

[Fred@BTM]

^dremels gonna dremel

 

[medici999]

On say a standard car, im aware of what matched inlets will give roughly, what kind of power increase and price are we looking at for porting heads?

 

[Fred@BTM]

with labour and a map off the top of my head best part of £1500 if not more

 

[medici999]

wow! ha...not worth it then.
Fred, in your experience are most 182's stamped with RS on the inlet manifolds?

 

[SkidMarx]

I dont see any reason why you cant match your own inlets. its not rocket science.
Im sure all heads are slightly different so even a CNC'd inlet isnt guaranteed to be bang on. And ive heard of some 'pro' ones being pretty shocking so go for it.

 

[Laine_16v]

I "headworked" my 172 head, with a crappy dremel, results uknown until i get it running in a month or so

 

[Cookson]

I dont see any reason why you cant match your own inlets. its not rocket science.
Im sure all heads are slightly different so even a CNC'd inlet isnt guaranteed to be bang on. And ive heard of some 'pro' ones being pretty shocking so go for it.

Dude, this guy is slow at the best of times. Letting him lose with a dremel would be a baaaaaad idea

 

[Hutchie]

^dremels gonna dremel

hi5 sister.

 

[SkidMarx]

Dude, this guy is slow at the best of times. Letting him lose with a dremel would be a baaaaaad idea

Lol...

 

[Tom@JMS]

In terms of if it is worth it I do not know - investigations are on going. If your going to have a head done it's worth sending them to an experienced individual such as craig @ APD, not just having a crack at it with a dremel/airline tool

Pick up some theory on proper headwork. Just enlarging the port doesn't even begin to scratch the surface on how it should be done.

 

[Gally]

Dude, this guy is slow at the best of times. Letting him lose with a dremel would be a baaaaaad idea

Flol!

 

[SkidMarx]

In terms of if it is worth it I do not know - investigations are on going. If your going to have a head done it's worth sending them to an experienced individual such as craig @ APD, not just having a crack at it with a dremel/airline tool

Pick up some theory on proper headwork. Just enlarging the port doesn't even begin to scratch the surface on how it should be done.

Have wondered tho what gains you'd get (if any)from just smoothing out the CNC marks on a 1*2 head, I dont mean super smooth as you need rough-ish ports for fuel/air mixture.