Daddies of all V3/4 Heads (Zen)
12 September 2013, 01:32 PM
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Daddies of all V3/4 Heads (Zen)
Got the following for sale guys, these were going to be built onto a 2.1 engine on my Catalunya track car engine but that dream is now over and the car is gone:
The heads were removed from a low mileage imported car that was broken for spares.
They were sent to Zen Performance where they were stripped, cleaned and inspected.
They were given a very light skim to ensure 100% flat face for perfect gasket bite. They were ported and all casting imperfections removed etc.
They were rebuilt by Paul at Zen using:-
new Supertech valve stem seals
new Supertech Inconel exhaust valves (as recomended by Zen for high performance use. From memory these are around £22 each x 8)
the inlet valves were inspected and found to be in perfect condition so were re-used as well as all springs, retainers and collets.
The heads were re-built and re-shimmed where necessary to give the perfect clearances.
They were run at just under 400BHP and Andy F himself commented on how well the car breathed. He believed they were one of the contributing factors to how the car held full boost all the way to the red line!! There was no restriction at the top end at all. I have a RR graph from WP to prove this.
The heads are due me around £1250 including buying them (normally go between £250 - £300 in used / unknown condition)!!
I will include a copy of the reciept from Zen performance to prove the work and parts that went into these heads.
So basically you are getting a set of mint condition recently rebuilt STI3 heads with a set of Inconel Exhaust valves.
They are available now sitting in my garage all wrapped in bubble wrap.
Price - £600 Please bare in mind the info above and that they have had around £1,000 spent on them!!
Chris
The heads were removed from a low mileage imported car that was broken for spares.
They were sent to Zen Performance where they were stripped, cleaned and inspected.
They were given a very light skim to ensure 100% flat face for perfect gasket bite. They were ported and all casting imperfections removed etc.
They were rebuilt by Paul at Zen using:-
new Supertech valve stem seals
new Supertech Inconel exhaust valves (as recomended by Zen for high performance use. From memory these are around £22 each x 8)
the inlet valves were inspected and found to be in perfect condition so were re-used as well as all springs, retainers and collets.
The heads were re-built and re-shimmed where necessary to give the perfect clearances.
They were run at just under 400BHP and Andy F himself commented on how well the car breathed. He believed they were one of the contributing factors to how the car held full boost all the way to the red line!! There was no restriction at the top end at all. I have a RR graph from WP to prove this.
The heads are due me around £1250 including buying them (normally go between £250 - £300 in used / unknown condition)!!
I will include a copy of the reciept from Zen performance to prove the work and parts that went into these heads.
So basically you are getting a set of mint condition recently rebuilt STI3 heads with a set of Inconel Exhaust valves.
They are available now sitting in my garage all wrapped in bubble wrap.
Price - £600 Please bare in mind the info above and that they have had around £1,000 spent on them!!
Chris
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