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How can you tell if its a Genuine Yella-Terra Head?I Got a Holden Cast Iron Head That I bought from a wreckers years ago.Said it came off a XU-1!Its got double valve springs,YT is stamped on the valves and I Can count 12 port holes.The wrecker bloke said it was a stage 3 head.Now some bloke says its a 9 port head butI've seen them and there's only 9 port holes.Can anyone Please Help.How much are they $Worth realistically,not like $10,000 Plus for the New Alloy Heads? |
Mse |
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What is the casting number ?
Yella Terra heads were simply Holden heads remanufactured on a CNC machine to enlarge the ports & throats & fit larger valves.
It could be anything from a 149 EH Red head to a VK 3.3 EFI head, or even a Grey head for that matter.
Dr Terry |
If at first you don't succeed, just call it Version 1.0 |
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Hi there Doc!The casting numbers I can see are. From the Left Hand Side is 2811930 Then "HOLDEN" in the centre then on the Right Hand Side is C233.For some reason the wrecker bloke has written on the back of head in yellow ink the number 141002.I hope this Helps,Thank You Very Much,Its Good To Have Someone Who Actually Knows! |
Mse |
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A 2811930 casting was original fitment for HQ, HJ, LJ & LH (& early LX) with a 173 hi-compression engine.
It is a 9-port head. There are 12 port runners, but the inlets are siamesed, so they count as 1, not 2 ports. The Blue/Black heads have 6 individual inlet ports.
141002 is probably the wrecker's stock number for the car.
Dr Terry |
If at first you don't succeed, just call it Version 1.0 |
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Rank: Veteran
Groups: Moderator, Registered
Joined: 1/03/2005(UTC)
Posts: 6,058
Thanks: 1 times
Was thanked: 203 time(s) in 184 post(s)
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If at first you don't succeed, just call it Version 1.0 |
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Rank: Member
Groups: Registered
Joined: 24/10/2014(UTC)
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Ok Doc,thanks for that.How much would it be worth on e-bay Realistically,not to make $Money but how much is it really worth? |
Mse |
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