Supertech valves, springs and stemseals needed?

[MLB]

Good afternoon,

My 182 is going in for cams, cambelt and arp rod bolts soon.

I'd like to add supertech valves to this list, but do I need valve springs and stem seals as well as the inlet and exhaust valves?

Thank you!

 

[Mr Underhill]

Good afternoon,

My 182 is going in for cams, cambelt and arp rod bolts soon.

I'd like to add supertech valves to this list, but do I need valve springs and stem seals as well as the inlet and exhaust valves?

Thank you!

I had mine done a few years back and I just supplied them with the valves.

Clio 2/3 Meg 2 Supertech Uprated Valve Set

Supertech Uprated Valve Set

www.pure-motorsport.co.uk

 

[gudger12345]

It would be stupid to not give the head a full refresh just for peace of mind.
I would look at 1 piece valves which bend and don't snap
i would also get the head port and polished, with 3 angle seat mods carried out.
Will be flowing great and will get you the most amount of gains HP wise

 

[MLB]

Valves will definitely be done, the question is if springs and stemseals need to be done as well?

Got an RS2 so won't be needing any port and polishing 👍

 

[Brigsy]

Get the valve guides checked for wear and replaced if ness. Stem seals need to be changed as a matter of course.

Not sure if you need spring change, maybe 197 if they are better than 182 ? Unsure if they are or not but it will be matched to cams.

You will need to check installed height of the valvesprings with supertechs in, especially if using cat cams springs etc. My 197 head needed custom 1.5mm ish shims to get the correct installed height with catcams springs, so the spring pressure is correct.

 

[MLB]

Brilliant, thank you very much @Brigsy , I think I'll contact Birchdown again to discuss as that reads like it will require a bit more than just chugging some new valves in!

I'll get the parts cannon ready 😂

 

[gudger12345]

Valves will definitely be done, the question is if springs and stemseals need to be done as well?

Got an RS2 so won't be needing any port and polishing 👍

I would recommend getting the head port and polished, you need every little bit of help to get any great power out of the F4r, its not like a K20 or K24 where a map and breathing mods give huge gains.

 

[R3k1355]

Valves will definitely be done, the question is if springs and stemseals need to be done as well?

Got an RS2 so won't be needing any port and polishing 👍

Are you going for (much) higher rpm than stock? If not then stock springs should be fine.

 

[Ph1 Tom]

Save you the trouble..I've got 2 engines built and ready to go. With ARP rod bolts, supertech valves, keyed flywheel pulleys, one has catcams 421, the other has 197 cams.

 

[MLB]

Get the valve guides checked for wear and replaced if ness. Stem seals need to be changed as a matter of course.

Not sure if you need spring change, maybe 197 if they are better than 182 ? Unsure if they are or not but it will be matched to cams.

You will need to check installed height of the valvesprings with supertechs in, especially if using cat cams springs etc. My 197 head needed custom 1.5mm ish shims to get the correct installed height with catcams springs, so the spring pressure is correct.

Got this video today

Think they were due replacement😂

 

[Brigsy]

Quite worn them! Whats mileage on engine out of interest?

 

[MLB]

That's what the guy doing the work said as well!

No idea on mileage, the engine has been changed after spinning a bearing in 2016, done another 33k miles with quite a lot of track miles since then.

@Christopher. Long time ago, but maybe you can remember approximately what miles the engine was on when fitted?

 

[Christopher.]

That's what the guy doing the work said as well!

No idea on mileage, the engine has been changed after spinning a bearing in 2016, done another 33k miles with quite a lot of track miles since then.

@Christopher. Long time ago, but maybe you can remember approximately what miles the engine was on when fitted?

Pretty sure it was coming upto if not over 100k ! It's a PH1 Engine in there, Came out a Y reg from memory.

 

[MLB]

Ah well there you go then, so around 130k on the engine!

Glad I did get the head done, was only a matter of time before it dropped a valve at 7000 rpm.

 

[Brigsy]

Its done alright at that mileage i guess!

Well worth doing the upgrades for reliable hard use.