17 replies to this topic

[simplyminis]

ive removed my head and 2 out of 4 are leaking so im going to re-seat them

 

while im doing this should i renew or do anything else while its off???

[sonikk4]

Is there play in the valve guides?? replace the valve guide seals.

[Carlos W]

Valve stem oil seals

 

Have valve guides checked

 

Consider a little bit of porting maybe?

[Tamworthbay]

Probably worth doing the stem seals why you are at it.

[Carlos W]

Is there play in the valve guides?? replace the valve guide seals.

 

 

Great minds think alike ??

[Carlos W]

Probably worth doing the stem seals why you are at it.

You too

[Tamworthbay]

Is there play in the valve guides?? replace the valve guide seals.

 
 
Great minds think alike ??

+1

[Carlos W]

 

 

Is there play in the valve guides?? replace the valve guide seals.

 
 
Great minds think alike ??

+1

 

It's that slow Ipad you're using!

 

To the OP, you could also consider compression ratio calculations 

[Tamworthbay]

Is there play in the valve guides?? replace the valve guide seals.

 
 
Great minds think alike ??

+1

It's that slow Ipad you're using!
 

Nah, its my damn blackberry, sat waiting for a Pizza at Dominos

[Shifty]

I've just sent my MPi head off for a refurb, recut valves, bead blast and a skim, £65 cash.

[simplyminis]

head has built by morspeed its a stage 3 booster head, but the valve guide were reamed wrong

 

after having this problem sorted the valves weren't re=seated so this is the point im at so its had new valve guides is it still worth doing the seals

[Tamworthbay]

I've just sent my MPi head off for a refurb, recut valves, bead blast and a skim, £65 cash.

That's a great price, can you share who it was? Or was it a 'shifty' deal?

[Shifty]

Its these people..

 

http://www.headtechnique.com/

 

 

I've used them for years and they are very good.

[simplyminis]

would be £100 ish with postage

[sonikk4]

head has built by morspeed its a stage 3 booster head, but the valve guide were reamed wrong

 

after having this problem sorted the valves weren't re=seated so this is the point im at so its had new valve guides is it still worth doing the seals

 

Always worth doing new seals.