Cylinder Head cracking and Intake Manifold!?

[Erikclaw]

When I had mine done they were a set of ported heads. Mine acted like yours, puking hard anytime over 75 mph or accelerating hard. One of my heads were junk and the other was alright.

 

[87jumpy]

So did you put your heads that had these cracks back on the truck? Any issues? Also what are you guys paying for hardened valve seats?

:whs:

Is there someone that is porting and polishing these heads while i have them off as well?

 

[Dzchey21]

my heads to have them machined for hardenend seats and also to be machined for elites valve springs, redeck and valve grind, new valve seals ect was 1450 might be a little high i dunno but thats what they charged me.

After awhile the cracks will work their way to the coolant passages and then it will puke coolant all the time.

 

[madman1234509]

You had to have them machined for valve springs? If I wanted to do ( I think its stage 1) push rods and valve springs like everyone talks about for "security" I would have to have it machined?

 

[Dzchey21]

You had to have them machined for valve springs? If I wanted to do ( I think its stage 1) push rods and valve springs like everyone talks about for "security" I would have to have it machined?

Yes thepocket for the spring has to be slightly bigger. They charged me 3 bucks a spring pocket I think

 

[Matt]

The valve spring upgrade and pushrod upgrade that ptp is a dealer for requires no head machining.

 

[Dzchey21]

The valve spring upgrade and pushrod upgrade that ptp is a dealer for requires no head machining.

Yeah the new Hamilton springs don't require them.

Not sure what seat pressures are for each

 

[Matt]

Not the hamilton ones.

 

[White_monster]

100psi seat pressure I'm told. don't quote me on that thou.

 

[madman1234509]

Nice, I wouldnt mind an option to be able to just drop in new springs without having to pull the heads again if thats possible

 

[Dzchey21]

Not the hamilton ones.

So these are differenr then what rudy offers?

 

[Matt]

Doug has them, PTP sells them. They require no machining.

 

[Dzchey21]

What's the seat pressures on them

 

[Matt]

I believe they are the same springs elite sells, or used to sell.

 

[White_monster]

They are 100psi seat pressure guys.

 

[Matt]

125

 

[White_monster]

I stand corrected. Good to know

 

[Craig@MFI]

You had to have them machined for valve springs? If I wanted to do ( I think its stage 1) push rods and valve springs like everyone talks about for "security" I would have to have it machined?

You can get springs from Rudy's that don't need machining

 

[madman1234509]

Thats good to know. This thread has helped out a lot and clears up a lot for me on issues with heads. Ive been trying to gather as much info as I could over the last month or two before tearing into this head gasket job.

 

[madman1234509]

Quick question... Do you guys know if the heads need to be disassembled to be surfaced on these trucks? Talking to a local guy about diesels and he was curious.