<?xml version="1.0"?>
<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en">
	<id>http://s4wiki.com/mediawiki/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=Mikko+Valitalo</id>
	<title>S4wiki - User contributions [en]</title>
	<link rel="self" type="application/atom+xml" href="http://s4wiki.com/mediawiki/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=Mikko+Valitalo"/>
	<link rel="alternate" type="text/html" href="http://s4wiki.com/wiki/Special:Contributions/Mikko_Valitalo"/>
	<updated>2026-04-27T01:07:18Z</updated>
	<subtitle>User contributions</subtitle>
	<generator>MediaWiki 1.43.8</generator>
	<entry>
		<id>http://s4wiki.com/mediawiki/index.php?title=Cams&amp;diff=3983</id>
		<title>Cams</title>
		<link rel="alternate" type="text/html" href="http://s4wiki.com/mediawiki/index.php?title=Cams&amp;diff=3983"/>
		<updated>2013-03-17T15:03:20Z</updated>

		<summary type="html">&lt;p&gt;Mikko Valitalo: /* OEM */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;==OEM==&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
! colspan=&amp;quot;2&amp;quot; rowspan=&amp;quot;2&amp;quot; |       || colspan=&amp;quot;2&amp;quot; | S4 || colspan=&amp;quot;2&amp;quot; | RS4 || colspan=&amp;quot;2&amp;quot; | NA 2.8&lt;br /&gt;
|-&lt;br /&gt;
!                                     I      || E     || I     || E        || I       || E&lt;br /&gt;
|-&lt;br /&gt;
| duration || [1.0mm] || 190°    || 226°  || 210°  || 226°     || 210°    || 226°&lt;br /&gt;
|-&lt;br /&gt;
| valve lift ||       || 7.5mm   || 10.4 mm   || 8.2mm || 10.4 mm   || 8.8mm   ||  10.4 mm&lt;br /&gt;
|-&lt;br /&gt;
| peak angle ||       || 110°    ||       || 112°  ||          ||         ||  &lt;br /&gt;
|-&lt;br /&gt;
| timing || [1.0mm]   || -10/20° || 38/8° ||       || 38/8°    || -12/42° || 38/8°&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
==Aftermarket==&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
! colspan=&amp;quot;2&amp;quot; rowspan=&amp;quot;3&amp;quot;| || colspan=&amp;quot;6&amp;quot; | Cat cams                      || colspan=&amp;quot;4&amp;quot; | Revolver                     || colspan=&amp;quot;4&amp;quot; | Piper             || colspan=&amp;quot;4&amp;quot; | Loba motorsport&lt;br /&gt;
|-&lt;br /&gt;
!                            colspan=&amp;quot;2&amp;quot;|1004050||colspan=&amp;quot;2&amp;quot;|1004051||colspan=&amp;quot;2&amp;quot;|1004052||colspan=&amp;quot;2&amp;quot;|001 grind||colspan=&amp;quot;2&amp;quot;|002 grind|| colspan=&amp;quot;2&amp;quot; | Mild || colspan=&amp;quot;2&amp;quot; | Race || colspan=&amp;quot;2&amp;quot; |  &lt;br /&gt;
|-&lt;br /&gt;
!                           I      || E       || I      || E       || I      || E       || I     || E      || I     || E         || I      || E      || I      || E      || I      || E&lt;br /&gt;
|-&lt;br /&gt;
| Duration || [0.1mm] || 239°   || 245°    || 267°   || 280°    || 264°   || 250°    ||       ||        ||       ||              ||        ||        ||        ||      || 254°       || 260°        &lt;br /&gt;
|-&lt;br /&gt;
| Duration || [1.0mm] || 214°   || 220°    || 226°   || 232°    || 232°   || 212°    || 248°  || 258°   || 200°  || 210°         || 256°   || 256°   || 244°   || 274°      || 214°     || 218°&lt;br /&gt;
|-&lt;br /&gt;
| Valve lift ||       || 8.80mm || 10.85mm || 9.25mm || 11.00mm || 9.75mm || 9.55mm || 8.9mm || 10.5mm || 7.7mm || 9.7mm         || 8.26mm || 9.44mm || 8.69mm || 10.93mm || 9.00 mm || 10.8 mm&lt;br /&gt;
|-&lt;br /&gt;
| Peak angle ||       || 110°   || 110°    || 110°   || 110°    || 110°  || 120°   || 110°  || 110°   || 110°  || 110°           || 110°   || 110°   || 104°   || 108° || 110° || 110°&lt;br /&gt;
|-&lt;br /&gt;
| Timing   || [1.0mm] || -3/37° || 40/0°   || 3/43°  || 46/6°   || -4/56°  || 46/-14° ||-10/20°|| 38/8°  ||-10/20°|| 38/8°       || 18(?)/58° || 58/18° || 18(?)/46° || 65/29° || ||&lt;br /&gt;
|-&lt;br /&gt;
| Lift at TDC ||      || 0.70mm || 1.00mm  || 1.30mm || 1.70mm  || 0.65mm || 0.10mm ||       ||        ||       ||                ||        ||       ||        ||  ||  ||&lt;br /&gt;
|-&lt;br /&gt;
| Overlap  || [0.1mm] ||colspan=&amp;quot;2&amp;quot;| 22°   ||colspan=&amp;quot;2&amp;quot;| 53.5° ||colspan=&amp;quot;2&amp;quot;|  17°    ||colspan=&amp;quot;2&amp;quot;| 33°     ||colspan=&amp;quot;2&amp;quot;|  -15° ||colspan=&amp;quot;2&amp;quot;| ||colspan=&amp;quot;2&amp;quot; | ||colspan=&amp;quot;2&amp;quot; |&lt;br /&gt;
|-&lt;br /&gt;
| notrly Overlap|| [1.0mm] ||colspan=&amp;quot;2&amp;quot;| -3°   ||colspan=&amp;quot;2&amp;quot;| 9° ||colspan=&amp;quot;2&amp;quot;|  -18°    ||colspan=&amp;quot;2&amp;quot;|    ||colspan=&amp;quot;2&amp;quot;|  ||colspan=&amp;quot;2&amp;quot;| 36° ||colspan=&amp;quot;2&amp;quot; | 47° ||colspan=&amp;quot;2&amp;quot; |&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
* The Piper intake timing still does not look right. should it be -18?&lt;/div&gt;</summary>
		<author><name>Mikko Valitalo</name></author>
	</entry>
	<entry>
		<id>http://s4wiki.com/mediawiki/index.php?title=Cams&amp;diff=3982</id>
		<title>Cams</title>
		<link rel="alternate" type="text/html" href="http://s4wiki.com/mediawiki/index.php?title=Cams&amp;diff=3982"/>
		<updated>2013-03-17T14:30:00Z</updated>

		<summary type="html">&lt;p&gt;Mikko Valitalo: /* Aftermarket */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;==OEM==&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
! colspan=&amp;quot;2&amp;quot; rowspan=&amp;quot;2&amp;quot; |       || colspan=&amp;quot;2&amp;quot; | S4 || colspan=&amp;quot;2&amp;quot; | RS4 || colspan=&amp;quot;2&amp;quot; | NA 2.8&lt;br /&gt;
|-&lt;br /&gt;
!                                     I      || E     || I     || E        || I       || E&lt;br /&gt;
|-&lt;br /&gt;
| duration || [1.0mm] || 190°    || 226°  || 210°  || 226°     || 210°    || 226°&lt;br /&gt;
|-&lt;br /&gt;
| valve lift ||       || 7.5mm   ||       || 8.2mm ||          || 8.8mm   ||  &lt;br /&gt;
|-&lt;br /&gt;
| peak angle ||       || 110°    ||       || 112°  ||          ||         ||  &lt;br /&gt;
|-&lt;br /&gt;
| timing || [1.0mm]   || -10/20° || 38/8° ||       || 38/8°    || -12/42° || 38/8°&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
==Aftermarket==&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
! colspan=&amp;quot;2&amp;quot; rowspan=&amp;quot;3&amp;quot;| || colspan=&amp;quot;6&amp;quot; | Cat cams                      || colspan=&amp;quot;4&amp;quot; | Revolver                     || colspan=&amp;quot;4&amp;quot; | Piper             || colspan=&amp;quot;4&amp;quot; | Loba motorsport&lt;br /&gt;
|-&lt;br /&gt;
!                            colspan=&amp;quot;2&amp;quot;|1004050||colspan=&amp;quot;2&amp;quot;|1004051||colspan=&amp;quot;2&amp;quot;|1004052||colspan=&amp;quot;2&amp;quot;|001 grind||colspan=&amp;quot;2&amp;quot;|002 grind|| colspan=&amp;quot;2&amp;quot; | Mild || colspan=&amp;quot;2&amp;quot; | Race || colspan=&amp;quot;2&amp;quot; |  &lt;br /&gt;
|-&lt;br /&gt;
!                           I      || E       || I      || E       || I      || E       || I     || E      || I     || E         || I      || E      || I      || E      || I      || E&lt;br /&gt;
|-&lt;br /&gt;
| Duration || [0.1mm] || 239°   || 245°    || 267°   || 280°    || 264°   || 250°    ||       ||        ||       ||              ||        ||        ||        ||      || 254°       || 260°        &lt;br /&gt;
|-&lt;br /&gt;
| Duration || [1.0mm] || 214°   || 220°    || 226°   || 232°    || 232°   || 212°    || 248°  || 258°   || 200°  || 210°         || 256°   || 256°   || 244°   || 274°      || 214°     || 218°&lt;br /&gt;
|-&lt;br /&gt;
| Valve lift ||       || 8.80mm || 10.85mm || 9.25mm || 11.00mm || 9.75mm || 9.55mm || 8.9mm || 10.5mm || 7.7mm || 9.7mm         || 8.26mm || 9.44mm || 8.69mm || 10.93mm || 9.00 mm || 10.8 mm&lt;br /&gt;
|-&lt;br /&gt;
| Peak angle ||       || 110°   || 110°    || 110°   || 110°    || 110°  || 120°   || 110°  || 110°   || 110°  || 110°           || 110°   || 110°   || 104°   || 108° || 110° || 110°&lt;br /&gt;
|-&lt;br /&gt;
| Timing   || [1.0mm] || -3/37° || 40/0°   || 3/43°  || 46/6°   || -4/56°  || 46/-14° ||-10/20°|| 38/8°  ||-10/20°|| 38/8°       || 18(?)/58° || 58/18° || 18(?)/46° || 65/29° || ||&lt;br /&gt;
|-&lt;br /&gt;
| Lift at TDC ||      || 0.70mm || 1.00mm  || 1.30mm || 1.70mm  || 0.65mm || 0.10mm ||       ||        ||       ||                ||        ||       ||        ||  ||  ||&lt;br /&gt;
|-&lt;br /&gt;
| Overlap  || [0.1mm] ||colspan=&amp;quot;2&amp;quot;| 22°   ||colspan=&amp;quot;2&amp;quot;| 53.5° ||colspan=&amp;quot;2&amp;quot;|  17°    ||colspan=&amp;quot;2&amp;quot;| 33°     ||colspan=&amp;quot;2&amp;quot;|  -15° ||colspan=&amp;quot;2&amp;quot;| ||colspan=&amp;quot;2&amp;quot; | ||colspan=&amp;quot;2&amp;quot; |&lt;br /&gt;
|-&lt;br /&gt;
| notrly Overlap|| [1.0mm] ||colspan=&amp;quot;2&amp;quot;| -3°   ||colspan=&amp;quot;2&amp;quot;| 9° ||colspan=&amp;quot;2&amp;quot;|  -18°    ||colspan=&amp;quot;2&amp;quot;|    ||colspan=&amp;quot;2&amp;quot;|  ||colspan=&amp;quot;2&amp;quot;| 36° ||colspan=&amp;quot;2&amp;quot; | 47° ||colspan=&amp;quot;2&amp;quot; |&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
* The Piper intake timing still does not look right. should it be -18?&lt;/div&gt;</summary>
		<author><name>Mikko Valitalo</name></author>
	</entry>
</feed>