T26 WRC - Frayz Engineering WRC S8 TARMAC SPECIAL - aka THE BOMBER
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Joined: May 2003
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From: Essex
He can't proceed any further anyway. I've been round his house and taken all the parts from his garage as it was such a shame to see it all sitting there not being used! 
The Turini's are next on my hit list!
The Turini's are next on my hit list!
Thread Starter
Joined: Sep 2005
Posts: 19,945
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From: "Engineering Perfection in Essex"
Waiting on some parts at the mo, have sourced some other things too hopefully inc some heads.
Soo as my next engine component arrives i can get underway.
Nice to see that the motivation battery is fully charged again Frayz.
Just need for the old money tree to fruit and away you'll go again.
Glad of the rest Frayz, but I'm now ready for you to be firing on all four cylinders.
Thread Starter
Joined: Sep 2005
Posts: 19,945
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From: "Engineering Perfection in Essex"
Just to passify some of the impatient ones... I mean its not like I've been doing this long now.
Tonight I collected a set of JDM big port version 8 cylinder heads. They're well grubby at the moment but the important parts look all good.
So I'll get some pics up when I can and how they come along as I strip and rebuild them.
Should give you all something to look at
Well Neil anyway 
Tonight I collected a set of JDM big port version 8 cylinder heads. They're well grubby at the moment but the important parts look all good.
So I'll get some pics up when I can and how they come along as I strip and rebuild them.
Should give you all something to look at
Well Neil anyway
Thread Starter
Joined: Sep 2005
Posts: 19,945
Likes: 2
From: "Engineering Perfection in Essex"
Well i guess id better give you guys something to look at, for those that havent died of boredom waiting for me.
On friday i picked up a set of JDM Version 8 AVCS heads. These were in good condition on the whole but very very dirty. Dirt aside i could see that they were in good shape and complete with cams, buckets and valvetrain.
So last night i started work on the LH head. This was given a basic cleanup and inspection. The RH one will be done when i next get a free moment. Once happy, i will fully strip both heads ready for some machining before being rebuilt with new seals etc.
Sorry for the phone pics, my cameras been on loan, lol.
Here they are when i picked them up.
Heres the LH head after a little jolly up.
On friday i picked up a set of JDM Version 8 AVCS heads. These were in good condition on the whole but very very dirty. Dirt aside i could see that they were in good shape and complete with cams, buckets and valvetrain.
So last night i started work on the LH head. This was given a basic cleanup and inspection. The RH one will be done when i next get a free moment. Once happy, i will fully strip both heads ready for some machining before being rebuilt with new seals etc.
Sorry for the phone pics, my cameras been on loan, lol.
Here they are when i picked them up.
Heres the LH head after a little jolly up.
Thread Starter
Joined: Sep 2005
Posts: 19,945
Likes: 2
From: "Engineering Perfection in Essex"
Decking and mild combustion chamber work. They already have bigger ports than my UK sti heads.
Last edited by frayz; Mar 24, 2010 at 12:08 AM.
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From: in the woods...........555 Wagon Sqn
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From: 2.1 Spec-C .......Pimms O'clock!!
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From: 2.1 Spec-C .......Pimms O'clock!!
Earl Gray stocked up and ready to bring to the sticks!
Seriously, let me know if you want a hand - spanner monkey - *** jockey - tea maid, I've done all the courses
Seriously, let me know if you want a hand - spanner monkey - *** jockey - tea maid, I've done all the courses
Thread Starter
Joined: Sep 2005
Posts: 19,945
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From: "Engineering Perfection in Essex"
Been to see my machinist yesterday to discuss some custom work to both my block and heads.
The block will be strengthened and the heads will have the combustion chambers altered to suit the larger 99.5mm bore of the 2.5.
I have specified the machining to give the correct cc volumes for my CR whilst maintaining good quench area.
I have also come up with an idea to prevent the common failure of the stock heads cracking. I'm not 100% sure it will all work as expected. But I've done the maths, so we shall see.
Heads have now been CC checked in stock form. If anyones interested, stock V8 JDM heads are 49cc.
They have been stripped of valvetrain. All parts have been inspected, cleaned, numbered and bagged for rebuild.
The heads are now having another hot wash before machining.
Off to the machine shop tomorrow...
Lets get this poxy ball rolling
The block will be strengthened and the heads will have the combustion chambers altered to suit the larger 99.5mm bore of the 2.5.
I have specified the machining to give the correct cc volumes for my CR whilst maintaining good quench area.
I have also come up with an idea to prevent the common failure of the stock heads cracking. I'm not 100% sure it will all work as expected. But I've done the maths, so we shall see.
Heads have now been CC checked in stock form. If anyones interested, stock V8 JDM heads are 49cc.
They have been stripped of valvetrain. All parts have been inspected, cleaned, numbered and bagged for rebuild.
The heads are now having another hot wash before machining.
Off to the machine shop tomorrow...
Lets get this poxy ball rolling
Thread Starter
Joined: Sep 2005
Posts: 19,945
Likes: 2
From: "Engineering Perfection in Essex"
Updates should come up a bit quicker now. Just waiting on one vital component that is due on the 16th April and we can get going.
I'm actually quite excited about it for a change
I'm actually quite excited about it for a change