LS7 Valve Springs w/ LT4 Hotcam?
03-10-2010, 01:47 AM
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LS7 Valve Springs w/ LT4 Hotcam? Would this be a better setup over the stock Hotcam springs everyone seems to dislike. Putting my car back together and I have all the bolt ons for a cam and am about to order a tune so I though I might as well put this hotcam and LS7 springs I have sitting around in. Car already has hotcam springs and 1.6 roller rockers but wanted to change springs if I put hotcam back in. Also if this would be a good choice would they fit the heads without maching?
03-10-2010, 11:08 AM
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The springs will work with that cam however the Ls retainer should be an 8mm and the Lt valves are 11/32 so you need new retainers.
If it were me i would get a different set of springs with some real pressure on them like 130lbs-135lbs instead of the stockers that range from 85lbs on up to 110lbs.
If it were me i would get a different set of springs with some real pressure on them like 130lbs-135lbs instead of the stockers that range from 85lbs on up to 110lbs.
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03-11-2010, 12:17 PM
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Hmmm, got a spare set of bare heads and a book on SBC cylinder head porting. Also no job...think I need to get to work and then find me some LS6 valves and see how fast I can go for cheap 
