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Single or double timing chain?

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Old Mar 16, 2020 | 12:22 PM
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Default Single or double timing chain?

I have a LS3 stroked to a 427 and don’t know which one to run. I plan on revving it to 7k and 20 pounds of boost. Which would be better? I know if you have a double you have to grind the oil pump where it hits. Thanks in advance
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Old Mar 16, 2020 | 01:08 PM
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Originally Posted by Elcodude85
I have a LS3 stroked to a 427 and don’t know which one to run. I plan on revving it to 7k and 20 pounds of boost. Which would be better? I know if you have a double you have to grind the oil pump where it hits. Thanks in advance
I have a double roller on my LS1 and I did have to clearance my timing chain cover. I think most people prefer the LS2 timing chain.
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Old Mar 16, 2020 | 02:12 PM
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i used a single c5r chain lsx454 and stretched it real good in a yr. Replaced with a double and no problems. make sure you get the rite size if youve had machine work done
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Old Mar 16, 2020 | 02:33 PM
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Originally Posted by Mickyinks
i used a single c5r chain lsx454 and stretched it real good in a yr. Replaced with a double and no problems. make sure you get the rite size if youve had machine work done
I have a single true roller right now, I got it off of summit but I’ve heard doubles are a lot better and safer. The motor isn’t together yet
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Old Mar 16, 2020 | 02:37 PM
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You hear of ls motors snapping single chains, they break usually because people are running crap harmonic balancers and when up in the 5500rpm+ range engine harmonics and rubbish balancers dont gel
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Old Mar 16, 2020 | 02:39 PM
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Originally Posted by Mickyinks
You hear of ls motors snapping single chains, they break usually because people are running crap harmonic balancers and when up in the 5500rpm+ range engine harmonics and rubbish balancers dont gel
i haven’t figured out which one I’ll be running yet, I know I’ll be getting a good one
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Old Mar 16, 2020 | 03:48 PM
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What brand of double do you recommend?
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Old Mar 16, 2020 | 04:13 PM
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I have a Rollmaster Double with the IWIS chain. The C5R is also fine.

Run a chain dampener with either and they last. Also invest in an ATI balancer. The harmonics and them whipping around is what causes damage to them... Investing in both of those things helps a lot with those issues.
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