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Installing cams in a DOHC 99 Cobra
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<blockquote data-quote="Nazman" data-source="post: 4394836" data-attributes="member: 986"><p>NA SVT coments are right on.</p><p></p><p>Cam(s) install on the 4Vs could be intimidating but not too bad if the motor is out the car. </p><p></p><p>The selection of cams for the 4V is some what limited (when compared to SBC/SBF) but they do thier job.</p><p></p><p>The cams could be expensive, for some billet sticks you are looking at o/a 1000 bones. Springs, even know may not be necesary depending on cam duration/lift they should be a must do at the time.</p><p></p><p>The best bang for the buck is the FR500 Hi-Lift Cam Kit (Cams, Hi-Flow Valves, 1.82 Followers, Valve Seals and Cam Bolts) for o/a 1150 bones (may be more now, but that is what I paid for mine).</p><p></p><p>Some very important, offten overlooked key on making addtional power with these motor is 1. Cam Degreeing and 2. Valve Lappping.</p><p></p><p>Also, with the cams come other supporting mods like: CAI/RAI, Ported Cut-Plenum Intake, Headers/Mid Pipe, and some gears.</p><p></p><p>Also, the short turn radi on the C-heads could be improved upon, the area behind the valve seat when cut at the manufacturing proccess was cut a little too deep, creating an almost 180* before the short turn disminishing flow. I spend lots of time working the short turn, poket/throat area when I do my "ports work". </p><p></p><p>Let us know how it comes out!</p><p></p><p>Naz</p></blockquote><p></p>
[QUOTE="Nazman, post: 4394836, member: 986"] NA SVT coments are right on. Cam(s) install on the 4Vs could be intimidating but not too bad if the motor is out the car. The selection of cams for the 4V is some what limited (when compared to SBC/SBF) but they do thier job. The cams could be expensive, for some billet sticks you are looking at o/a 1000 bones. Springs, even know may not be necesary depending on cam duration/lift they should be a must do at the time. The best bang for the buck is the FR500 Hi-Lift Cam Kit (Cams, Hi-Flow Valves, 1.82 Followers, Valve Seals and Cam Bolts) for o/a 1150 bones (may be more now, but that is what I paid for mine). Some very important, offten overlooked key on making addtional power with these motor is 1. Cam Degreeing and 2. Valve Lappping. Also, with the cams come other supporting mods like: CAI/RAI, Ported Cut-Plenum Intake, Headers/Mid Pipe, and some gears. Also, the short turn radi on the C-heads could be improved upon, the area behind the valve seat when cut at the manufacturing proccess was cut a little too deep, creating an almost 180* before the short turn disminishing flow. I spend lots of time working the short turn, poket/throat area when I do my "ports work". Let us know how it comes out! Naz [/QUOTE]
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Installing cams in a DOHC 99 Cobra
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