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Gearheads
My 57 Chevy feels the need for NO speed.
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<blockquote data-quote="swampratt" data-source="post: 3556604" data-attributes="member: 15054"><p>The gasoline today is fine for high compressions and quick timing curves.. it is more of a combination of parts and how you romance those parts as to how well it will tolerate increased cylinder pressures and loads.</p><p></p><p>I have ran 11.9 compression with carbs and old school iron heads with small cams without issues.</p><p></p><p>91 octane fuel for racing and I have used 87 for just part throttle cruising.</p><p>But know I do not just buy parts and slap them together.</p><p></p><p></p><p></p><p>I ported some LQ9 heads for a buddy and it got a nice little cam upgrade.</p><p>More cylinder pressure after the cam swap and 7000+ rpm ..More power everywhere.</p><p>109 LSA on that LS cam.</p><p>Another custom grind.</p><p>Worked very well in his 4000 lb truck.. Carbureted on top of that <img src="/images/smilies/smile.png" class="smilie" loading="lazy" alt=":)" title="Smile :)" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="swampratt, post: 3556604, member: 15054"] The gasoline today is fine for high compressions and quick timing curves.. it is more of a combination of parts and how you romance those parts as to how well it will tolerate increased cylinder pressures and loads. I have ran 11.9 compression with carbs and old school iron heads with small cams without issues. 91 octane fuel for racing and I have used 87 for just part throttle cruising. But know I do not just buy parts and slap them together. I ported some LQ9 heads for a buddy and it got a nice little cam upgrade. More cylinder pressure after the cam swap and 7000+ rpm ..More power everywhere. 109 LSA on that LS cam. Another custom grind. Worked very well in his 4000 lb truck.. Carbureted on top of that :) [/QUOTE]
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My 57 Chevy feels the need for NO speed.
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