Single turbo ls
05-19-2021, 09:05 AM
#1
Single turbo ls 
using a f body ls1 assessory drive on my single turbo ls swap. The belt always walks a cog or 2 on hard pulls. Whats the fix
Last edited by Rscaamaro; 05-19-2021 at 02:31 PM.
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Jimbo1367 (05-26-2021)
05-19-2021, 02:35 PM
#3
05-19-2021, 06:14 PM
#4
Certainly, that's what I'm running . Not so much because I want to but because of the fitment of the turbo/componentry, I didn't have an option for a traditional tensioner. I've seen videos of the front of the engine when people dyno with the automatic tensioners and those things were getting a workout.
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The BallSS (05-20-2021)
05-19-2021, 09:13 PM
#6
I run all gm parts (water pump, tensioner, balancer) and my belt would move 1 rib forward after hard hits. Come to find the tensioner needed to be spaced out a bit. No issues anymore. Throw a straight edge across the front of all the pulleys and see where you’re at.
05-20-2021, 10:33 AM
#7
Its not the tensioner or the HP. The pulleys aren't aligned properly if you are throwing/walking belts. A factory tensioner in good shape will hold a belt past 8k easy. Trying to band-aid fix the problem with a manual tensioner isn't the answer. I like to use TIG welding rod to drop in the grooves. Its pretty easy to see a misalignment this way. Good luck, it can be a real pain!
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JinglingBaby (05-20-2021)
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05-20-2021, 02:10 PM
#9
$60 version has held 8500 RPM just fine. https://www.amazon.com/Manual-Tensio.../dp/B077PL3VPD
05-20-2021, 02:25 PM
#10
I had some issue with a straight edge as the pulley face to 1st rib isn't the same on all pulleys. Not that it can't work, but I fought mine forever with that method. I couldn't see how bad mine was until I laid (tried to lay) a few welding rods across the grooves.
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ddnspider (05-21-2021)
