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The Terminator
Engine/Tuning
Degreeing my cams - input please!
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<blockquote data-quote="olympic" data-source="post: 16082345" data-attributes="member: 168598"><p>I have my engine out and on a stand so I thought I might as well check how the previous owner degreed the cams (<a href="https://www.crower.com/camshafts/ford-4-6-5-4-4-valve-modular-camshaft-1999-up-set-4-4763.html" target="_blank">Crower Stage 4</a> click for specs). Here are the results:</p><p></p><p>Lobe centerlines:</p><p></p><p>Right intake: 111</p><p>Right exhaust: 117</p><p></p><p>Left intake: 113</p><p>Left exhaust: 113</p><p></p><p>I ran the measurements 3 times to make sure I got it right. Anyways, the car makes tons of power but runs like crap below 2500 RPM and IAT2's spiral out of control when I drive in city traffic even with a Killer Chiller. </p><p></p><p>I'm looking for input on how I could degree the cams to increase driveability. I've done tons of reading on eschaider's posts on modfords and his info suggests to open the intake at TDC and close the exhaust 10 degrees BTDC for -10 overlap. It would look like this:</p><p></p><p>[ATTACH=full]1537431[/ATTACH]</p><p></p><p>[USER=8854]@MalcolmV8[/USER] has slightly less duration cams and degreed his cams like this: Similar exhaust timing but a more advances intake cam.</p><p></p><p><img src="https://www.svtperformance.com/attachments/rsxfwrono6djrx4bha0x7ijebg5y_1kq9tpfzpsjwoype8yl7kok7nmydxebwqybxr5v0wyxgmnwt0x5ht0-w964-h455-no-png.1446198/" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Any input is greatly appreciated on how I should proceed!</p></blockquote><p></p>
[QUOTE="olympic, post: 16082345, member: 168598"] I have my engine out and on a stand so I thought I might as well check how the previous owner degreed the cams ([URL='https://www.crower.com/camshafts/ford-4-6-5-4-4-valve-modular-camshaft-1999-up-set-4-4763.html']Crower Stage 4[/URL] click for specs). Here are the results: Lobe centerlines: Right intake: 111 Right exhaust: 117 Left intake: 113 Left exhaust: 113 I ran the measurements 3 times to make sure I got it right. Anyways, the car makes tons of power but runs like crap below 2500 RPM and IAT2's spiral out of control when I drive in city traffic even with a Killer Chiller. I'm looking for input on how I could degree the cams to increase driveability. I've done tons of reading on eschaider's posts on modfords and his info suggests to open the intake at TDC and close the exhaust 10 degrees BTDC for -10 overlap. It would look like this: [ATTACH=full]1537431[/ATTACH] [USER=8854]@MalcolmV8[/USER] has slightly less duration cams and degreed his cams like this: Similar exhaust timing but a more advances intake cam. [img]https://www.svtperformance.com/attachments/rsxfwrono6djrx4bha0x7ijebg5y_1kq9tpfzpsjwoype8yl7kok7nmydxebwqybxr5v0wyxgmnwt0x5ht0-w964-h455-no-png.1446198/[/img] Any input is greatly appreciated on how I should proceed! [/QUOTE]
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Degreeing my cams - input please!
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