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when fitting double valve springs to 308 or 253 do the heads need machining or other mods ?
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Rank: Veteran
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no
just makes the valves stop bouncing
and return quicker
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Rank: Member
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and they are alot stronger than singles.
If nissan motorsport is nismo, then doesnt that make honda motorsport Homo?
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Rank: Member
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and they are alot stronger than singles.
If nissan motorsport is nismo, then doesn't that make honda motorsport Homo?
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Rank: Member
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The spring pads will need to be machined to suit the new springs if you want the job done proberly
MONARO!!WHERE!!NICE |
MONARO!!WHERE!!NICE |
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your valve springs should be matched to your cam, very important.
A1 Bogan. |
Old holdens brought on the spot, quick decision, cash paid. |
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Rank: Member
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If you are doing a bog standard motor you wont need them. High performance race stuff would work well for a 308 yes, not worth it on a 253. Check with your workshop and see if its not overkill in $$$$ for you. You woudl prob need new seats too for the val
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Rank: Member
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Also some other advise is that if your installing a new cam make sure you run it in as per specs, especially if using double springs. If not then you could damage the cam lobes.
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