INTERNAL ENGINE MODIFICATIONS Valvetrain |Heads | Strokers | Design | Assembly

Comp 918

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Old 02-25-2010, 12:33 PM
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Default Comp 918

Ive searched but didnt find much. My question is, are people still having problems with these? Even the new batch?
Old 02-25-2010, 01:19 PM
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From what I've seen both here and on LS1Tech even the new silver Comp 918's are breaking frequently enough that I wouldn't run em. The PAC 1218's have been proving themselves to be reliable though
Old 02-25-2010, 01:20 PM
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What cam are you going to be running?
Old 02-25-2010, 01:45 PM
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I am running the 228R on new silver 918s without any issues. I know a few others who are running them as well...
Old 02-25-2010, 01:58 PM
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I am on my second set of 918s and have never had one problem with them.
Old 02-25-2010, 02:02 PM
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I had 918's and didnt have any problems with them either. If they scare you though, there are many other options that are good choices.
Old 02-25-2010, 04:06 PM
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Not one issue with 918's here on my vehicle with 2 different cams. I've installed them in other vehicles without any issues.
Old 02-25-2010, 04:22 PM
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They have become HIt and Miss. PAC Dual springs have been the new favorites. At least with dual springs even if one breaks there is another there to help keep your block good.
Old 02-25-2010, 04:57 PM
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Originally Posted by viciousknid
They have become HIt and Miss. PAC Dual springs have been the new favorites. At least with dual springs even if one breaks there is another there to help keep your block good.
Not all the time. I have seen the duals still do some bad damage when they failed. IMO anything under .600" lift should not use dual springs as they are stupid over kill and the extra weight on the valve is not necessary. Just my opinion.
Old 02-25-2010, 05:39 PM
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Originally Posted by 00ChevyScott
What cam are you going to be running?
Custom spec Patrick G from EPS, havent gotten it yet. Just putting together a cam package. I was going to to a package deal from EPS with 918s but I keep reading about 918s breaking, even the new batch that supposedly has fixed the problem.


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