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The 495 pound springs are already on the light side for a solid roller. You'd be fine. You really don't want to go too light - solid rollers don't like bounce. You'd get a trench pounded into the cam face on the backside of the lobe. Things get uglier from there...
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Survival Motorsports
"I can do that....."
Engine Masters Challenge Entries
91 octane - single 4bbl - mufflers
2008 - 429 cid FE HR - 675HP
2007 - 429 cid FE MR - 659HP
2006 - 434 cid FE MR - 678HP
2005 - 505 cid FE MR - 752HP
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