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Old 05-23-2005, 06:09   #1 (permalink)
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460 heads???

my heads are d3ve-a2a they have been ported and stainless vaves fitted by previous owner,they have bolt on roller rockers non ajustable and are rubbing on retainers,are they worth fitting ajustable style roller rockers or should i get some other heads,i just missed out on a alloy set on ebay
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Old 05-27-2005, 21:01   #2 (permalink)
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Re: 460 heads???

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Originally Posted by reece1
my heads are d3ve-a2a they have been ported and stainless vaves fitted by previous owner,they have bolt on roller rockers non ajustable and are rubbing on retainers,are they worth fitting ajustable style roller rockers or should i get some other heads,i just missed out on a alloy set on ebay
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Old 08-16-2005, 02:52   #3 (permalink)
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Re: 460 heads???

hey man, I had the same problem, I am running Ferrea valves, the tips are shorter, from tip to keeper groove. The problem was solved with different retainers for my valve springs. So it brought my installed valve spring height lower , thus the rockers clear the retainers when valves are closed.
Crower Retainers
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Old 08-16-2005, 04:01   #4 (permalink)
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Re: 460 heads???

Quote:
Originally Posted by KILLERME
hey man, I had the same problem, I am running Ferrea valves, the tips are shorter, from tip to keeper groove. The problem was solved with different retainers for my valve springs. So it brought my installed valve spring height lower , thus the rockers clear the retainers when valves are closed.
Crower Retainers
cheers sounds better than filing r/rocker. my plans have changed i am not using that mtr anymore but i will fix it anyhow do you have the part no of retainers.
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Old 08-21-2005, 23:00   #5 (permalink)
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Re: 460 heads???

Quote:
Originally Posted by reece1
cheers sounds better than filing r/rocker. my plans have changed i am not using that mtr anymore but i will fix it anyhow do you have the part no of retainers.
Hey, you have to make sure the retainers you are going to buy sit snugly in your valve springs, you don't want them to be able to shuffle around in top of spring too much.
The set I got for my double springs are actually,,,,
Competition Cams. part no.743-16
these cleared my rockers but did shuffle a little in top of spring. not an ideal fit. But do work.
There are so many different size , so I have found. and spring sizes to.
Don't forget to check your installed hight seat pressure. A must for mild or street cam.
I have found this out,, the engine sounds chrisper and a lot more perky at start up and cold idle with high oil pressure, I running hydraulic cam. Just christ all round, I luv it!
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