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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
5.0 Coyote Valve Spring Upgrade: Brands, size, and price
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<blockquote data-quote="JP0814GT" data-source="post: 13860744" data-attributes="member: 157522"><p>If I we're not going for more than 700 I'd leave the top end stock. But I tend to reach for higher numbers so I don't see any point in compromising. No need in building a motor and half ass on a simple part like springs. In the grand scheme of building a motor that's a minor cost item. Bet if a spring caused you a issue you would see them as a more important part. I say take measures to attempt to not have to tear back into the motor. But for reliable lasting 700 rwhp all that's needed is good fuel supply & h-beams with forged pistons stock every thing else would be fine. If you were going beat it at the track at 700 I'd also do TSS billet gears in oil pump but some may argue on the oil pump gears. I've never had luck gambling with big power every time I gambled with my 3 valve I broke stuff.</p></blockquote><p></p>
[QUOTE="JP0814GT, post: 13860744, member: 157522"] If I we're not going for more than 700 I'd leave the top end stock. But I tend to reach for higher numbers so I don't see any point in compromising. No need in building a motor and half ass on a simple part like springs. In the grand scheme of building a motor that's a minor cost item. Bet if a spring caused you a issue you would see them as a more important part. I say take measures to attempt to not have to tear back into the motor. But for reliable lasting 700 rwhp all that's needed is good fuel supply & h-beams with forged pistons stock every thing else would be fine. If you were going beat it at the track at 700 I'd also do TSS billet gears in oil pump but some may argue on the oil pump gears. I've never had luck gambling with big power every time I gambled with my 3 valve I broke stuff. [/QUOTE]
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2011-2014 Mustangs
Engine/Tuning
5.0 Coyote Valve Spring Upgrade: Brands, size, and price
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