comp 987 springs...MAX LIFT?
#10
#13
10 Second Club
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you've got installed height and coil bind numbers... shouldnt be too hard to figure out. but you wont be able to get those springs in a 1.8. id say 550 lift max. you cant run much lobe intensity with those heavy springs and that spring rate. run 1518s or if you dont care about spring quality... the patriot gold ****
#15
TECH Senior Member
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you've got installed height and coil bind numbers... shouldnt be too hard to figure out. but you wont be able to get those springs in a 1.8. id say 550 lift max. you cant run much lobe intensity with those heavy springs and that spring rate. run 1518s or if you dont care about spring quality... the patriot gold ****
#16
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Join Date: May 2005
Location: Mount Sterling KY
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you've got installed height and coil bind numbers... shouldnt be too hard to figure out. but you wont be able to get those springs in a 1.8. id say 550 lift max. you cant run much lobe intensity with those heavy springs and that spring rate. run 1518s or if you dont care about spring quality... the patriot gold ****
Last edited by hvyss; 11-06-2009 at 06:22 AM.
#20
9 Second Club
iTrader: (4)
Experience... 355 LT1 with 503cam with beahives eyelashed every piston and killed the valve seats on the Lloyd Elliot heads only spinning it to 6500. Same motor is now running a GM847 with Patriot Golds with no problems and hit's 7000 regularly!
/story
Patriot Gold's > Pac 1518's
On the spring pressure side note, if you have a set of springs that have un-equal spring pressures within a set then you have a bad set of springs and need to contact the manufacture. I tested every one of mine (although LS1 based) and they all after 15k miles were still within spec and near identical across the set.