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 736 Posts Member #: 1865 Post Whore Norwich, Norfolk |
10th Jan, 2009 at 07:18:47pm
i could be talking out my rear, but it might spark some interesting convo from those more technically minded.
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Forum Mod  5933 Posts Member #: 784 9 times Avon Park Class C winner Milton Keynes |
10th Jan, 2009 at 07:47:49pm
Isnt it the position of the rocker shaft that makes the ratio?
I seriously doubt it! |
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32 Posts Member #: 2517 Member Mold, North Wales |
10th Jan, 2009 at 08:50:26pm
In Aus they have been doing it for years. |
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 6965 Posts Member #: 507 Fastest A Series Mini in the World leeds/wakefield. |
10th Jan, 2009 at 09:15:21pm
On 10th Jan, 2009 paul wiginton said:
Isnt it the position of the rocker shaft that makes the ratio? Paul not on its own,you still need a different ratio rocker, theya re repositioned over the valve,so shaft will be further towards the rear of engine, |
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 11046 Posts Member #: 965 Post Whore Preston On The Brook |
10th Jan, 2009 at 09:19:15pm
On 10th Jan, 2009 fastcarl said:
On 10th Jan, 2009 paul wiginton said:
Isnt it the position of the rocker shaft that makes the ratio? Paul not on its own,you still need a different ratio rocker, theya re repositioned over the valve,so shaft will be further towards the rear of engine, Very true, however, how would you go about mixing and matching the ratios without having a compex and expensive post and shaft assembly? would be easier to buy a cam shaft that will do the same job a lot better 
Edited by Sprocket on 10th Jan, 2009. On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be... So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'... On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........ |
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Forum Mod 5933 Posts Member #: 784 9 times Avon Park Class C winner Milton Keynes |
11th Jan, 2009 at 12:15:41am
On 10th Jan, 2009 Sprocket said:
On 10th Jan, 2009 fastcarl said:
On 10th Jan, 2009 paul wiginton said:
Isnt it the position of the rocker shaft that makes the ratio? Paul not on its own,you still need a different ratio rocker, theya re repositioned over the valve,so shaft will be further towards the rear of engine, Very true, however, how would you go about mixing and matching the ratios without having a compex and expensive post and shaft assembly? would be easier to buy a cam shaft that will do the same job a lot better Exactly I seriously doubt it! |
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444 Posts Member #: 2885 Senior Member |
11th Jan, 2009 at 12:31:34am
You need the shaft to suit the rocker, otherwise each roller tip would not be over the valve tip, 1.5's would be too far, 1.3's not enough. |
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 3692 Posts Member #: 1833 Formally mini_majic Auckland, New Zealand |
11th Jan, 2009 at 01:13:08am
has anybody seen the VVT camshafts that a companies does/used to do to replace the standard items in OHV engines....now that would be interesting for a road car!
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