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Yella Terra Head for Grey
Posted: Sun Jun 26, 2011 10:41 pm
by fb cruisin
Guys were there such a thing made for a grey motor ?
http://www.ebay.com.au/itm/holden-yella ... 3368e8e0dc
I didn't think there was, but could be wrong
Re: Yella Terra Head for Grey
Posted: Mon Jun 27, 2011 11:28 am
by Mick
i've allready been wrong once in the last 24 hours about YT heads
but i'm more confident in saying that i'm pretty sure they didn't do a grey head, a tell tale sign of a YT head is that the bottom of the valves have YT on them and these ones don't, although it is clear to see that the head is modified
Re: Yella Terra Head for Grey
Posted: Mon Jun 27, 2011 1:05 pm
by Devilrod
Could be it was just modified by them...
Re: Yella Terra Head for Grey
Posted: Mon Jun 27, 2011 5:55 pm
by FB MAD
Yep, Yella Terra did modify grey heads in the '70's ( maybe earlier ?? ) as I remember seeing Yella Terra modified head ads in car mags for grey motors that were around in the 70's.
From memory they had 3 stages.
Red motor valves.
+Port relief work
+ Larger valves ( maybe chev ?? ) with combustion chamber relief ( probably used in conjunction with dome top pistons I'd imagine ?? )
Re: Yella Terra Head for Grey
Posted: Mon Jun 27, 2011 10:31 pm
by fb cruisin
Thanks for the feedback guys.
I was considering getting a bit of work done to a spare head I have, and liked the look of this one.
Re: Yella Terra Head for Grey
Posted: Tue Jun 28, 2011 4:49 am
by Trev
I had all the work done on my grey head and it cost me $915
.
The only thing I'd want to check is if there is any cracks in it!