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Re: Small block timing chain tensioner- safe to use or not?
[Re: Guitar Jones]
#1195437
03/15/12 09:38 PM
03/15/12 09:38 PM
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Joined: Jul 2006
Posts: 9,366 Lehigh Acres, Florida
rickstershemi
master
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master
Joined: Jul 2006
Posts: 9,366
Lehigh Acres, Florida
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Quote:
The LA engine was fine without a tensioner for over 30 years. MaMopar added it as a bandaid on the odd fire roller motor 3.9 for a noise and now it's supposed to be a performance piece? Not hardly. As others pointed out it was designed to be used with a silent link chain anyway and not a roller. It's unnecassary in my opinion.
Never used one on any of our LA motors and don't have one on the 408" either.
Rickster
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Re: Small block timing chain tensioner- safe to use or not?
[Re: ThermoQuad]
#1195440
03/16/12 01:46 PM
03/16/12 01:46 PM
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Joined: Nov 2006
Posts: 733 jacksonville,FLORIDA
slammedR/T
super stock
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super stock
Joined: Nov 2006
Posts: 733
jacksonville,FLORIDA
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I had two of these tensioners break on my 408. They break the spring right where it fixes onto the mounting pad. i only know they were broke when I found a strange piece of metal when i changed my oil. First one broke and rubbed agaisnt my stock timing cover, i thought it was a fluke or defect and bought another one. Well it broke in the same spot and rubbed against my nice billet cover. i also replaced the timing set at the same time in case it was the issue, it wasn't. I also checked the clearances and installation to make sure it wasn't something I did. I have since been running with out the tensioner and instead got the roller bearing conversion from comp that replaces the thrust plate with a torrington bearing for less drag.Both tensioners were brand new from mopar performance. first time was a comp hydraulic roller cam, second time was a billet solid roller lunati cam with JP billet timing sets both cases.
DEPUTY
2000 Dakota R/T, 408 magnum, 727, Indy heads 1000cfm 4150 carb, 93 octane fuel. motor; 10.258 @ 132.78 200 shot; 9.262 @ 144.69 racemagnum
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Re: Small block timing chain tensioner- safe to use or not?
[Re: 69Cuda340S]
#1195442
03/17/12 11:07 AM
03/17/12 11:07 AM
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Joined: Apr 2009
Posts: 3,415 Toronto
mshred
OP
master
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OP
master
Joined: Apr 2009
Posts: 3,415
Toronto
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Well I have decided against the tensioner. I have a friend who offered me a brand new comp cams timing set in the box for a really good price, and he is local, so that makes it easier since no one around here carries the tensioner (although Todd aka Competition Wedge was going to take care of me real nice) After looking at pictures of those tensioners over and over, especially the ones of the wear, it got me thinking that even once it wears properly, where does all the "worn off stuff" go? I think im just going to stick with a good chain for now, and maybe do a gear drive on the next motor if it really bugs me Thanks for all the input everyone!
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