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| Who's the go-to for timing chains? https://slantsix.org/forum/viewtopic.php?t=64520 |
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| Author: | MadScientistMatt [ Wed Feb 19, 2020 10:57 am ] |
| Post subject: | Who's the go-to for timing chains? |
The timing chain in my '66 Dart had significant stretch - no surprise. It does have cast iron gears that look like they're in decent shape, although I'm not sure on reusing these if I get a quality timing set, and I wouldn't expect them to work if I used a roller chain. Does anyone sell roller timing chains for these motors anymore? I tried emailing the romacusa.com site and haven't heard back, although it looks like there's an outfit called Falcon Global selling Rollmaster timing chains on eBay now. On the other hand, Comp sells an inverted tooth type chain for about half that. Any experience with the Comp chain? Other sources worth looking at? Is it also possible to use some sort of trick to adapt a big block timing chain? |
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| Author: | Reed [ Wed Feb 19, 2020 11:35 am ] |
| Post subject: | Re: Who's the go-to for timing chains? |
]Older thread, info might still be good. http://www.slantsix.org/forum/viewtopic ... k+sprocket Relevant info: These #'s will get you a double roller timing chain from Cloyes avaible at Summit. clo-c168 clo-s338 clo-s339 |
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| Author: | GregCon [ Wed Feb 19, 2020 11:46 am ] |
| Post subject: | Re: Who's the go-to for timing chains? |
The Falcons are the best IMO. The others work, too. |
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| Author: | Greg Ondayko [ Wed Feb 19, 2020 12:01 pm ] |
| Post subject: | Re: Who's the go-to for timing chains? |
I have used these Before. https://www.ebay.com/itm/ROLLMASTER-Dou ... SwcnpTovtF Same as the JP Set https://www.ebay.com/itm/JP-Performance ... 3577823687 Bottom gear might be a bit Tight - use a sanding sleeve / wheel on a dremel to open it up and definitely use an installer tool to press them on. - Might also need a length of pipe with that installer tool. https://www.summitracing.com/parts/oes-27144 or something equivalent. Greg |
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| Author: | MadScientistMatt [ Wed Feb 19, 2020 12:56 pm ] |
| Post subject: | Re: Who's the go-to for timing chains? |
Thanks everyone! The JP gear looks like a better price on the Rollmaster chain. The Cloyes S338 sprocket looks like it's discontinued, unfortunately. |
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| Author: | Reed [ Wed Feb 19, 2020 3:46 pm ] |
| Post subject: | Re: Who's the go-to for timing chains? |
Dang, back in the late 90s I bought the last double roller Mopar Performance timing chain (maybe the second to last) in dealer inventory and had to have it shipped in from South America, if I recall right. I think the cost with shipping was something like $60. It is still going strong in the engine in my brother's 83 Dodge van. $120 is pretty steep for a timing set, but that's the way it goes as these engines get rarer, I guess. |
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| Author: | volaredon [ Wed Feb 19, 2020 6:45 pm ] |
| Post subject: | Re: Who's the go-to for timing chains? |
I just read something somewhere (intro to Dr Dodge's book, maybe?) that the timing chain and (if I remember right) one of the sprockets is the same as used on the Big blocks.... and they have been out of production longer than the /6 has,,,,, could this be of help? on the other hand I have seen timing chains and sprockets having been catalogued separately in past years, most common place these days to find them in "less than a whole set" seems to be EPay…. I don't know that I'd be so inclined to replace just a chain or chain and 1 sprocket without replacing all 3 pieces together, but just thought Id throw it out there "just in case" it might help somebody.... PS; I haven't gotten very far into my copy of the book yet..... just to the end of the "/6 history" section so far.... |
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| Author: | GregCon [ Wed Feb 19, 2020 6:57 pm ] |
| Post subject: | Re: Who's the go-to for timing chains? |
Yes...the Rollmaster/Falco/JP set is the best but the bottom gear ID is too tight as noted. What's worse, with all the keyways, it's a bit tough to hone it or sand it properly. But do the best you can. It's really tight otherwise. |
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| Author: | Dart270 [ Thu Feb 20, 2020 4:21 am ] |
| Post subject: | Re: Who's the go-to for timing chains? |
I prefer Rollmaster. Made by Romac, same as the nice balancers. Lou |
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| Author: | MadScientistMatt [ Thu Feb 20, 2020 5:33 am ] |
| Post subject: | Re: Who's the go-to for timing chains? |
Quote: Dang, back in the late 90s I bought the last double roller Mopar Performance timing chain (maybe the second to last) in dealer inventory and had to have it shipped in from South America, if I recall right. I think the cost with shipping was something like $60. It is still going strong in the engine in my brother's 83 Dodge van. $120 is pretty steep for a timing set, but that's the way it goes as these engines get rarer, I guess.
Could be a lot worse. RockAuto lists a Melling stock replacement timing set for my wife's '05 Honda Accord at $297.79!
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| Author: | Dart270 [ Thu Feb 20, 2020 11:48 am ] |
| Post subject: | Re: Who's the go-to for timing chains? |
$100-120 is really not a lot of money for an engine hard part like a nice timing chain. Honda parts, which are "everyman" cars, are far more expensive than Slant parts. Lou |
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| Author: | Greg Ondayko [ Thu Feb 20, 2020 11:53 am ] |
| Post subject: | Re: Who's the go-to for timing chains? |
there's a lot more included and complexity to this set versus the slant. long chain and another chain..too. https://www.rockauto.com/en/moreinfo.ph ... 64&jsn=501 I would like to adapt a chain tensioner to the slant someday. Greg |
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| Author: | MadScientistMatt [ Mon Mar 09, 2020 10:19 am ] | ||
| Post subject: | Re: Who's the go-to for timing chains? | ||
Since this isn't going to be a particularly high winding engine, I thought I'd try the Cloyes timing chain. The picture on RockAuto looked like one of the good timing gears - drilled holes for both the cam dowel and the spokes. Unfortunately, it's the three thin spoke design. This is going back today.
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| Author: | GregCon [ Mon Mar 09, 2020 11:06 am ] |
| Post subject: | Re: Who's the go-to for timing chains? |
I don't get it...what is wrong with it? |
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| Author: | MadScientistMatt [ Mon Mar 09, 2020 11:23 am ] |
| Post subject: | Re: Who's the go-to for timing chains? |
Quote: I don't get it...what is wrong with it?
It works but isn't as robust as other designs. That style sprocket is known for having the thin part of the spokes crack at high RPM, and it's harder to get the cam degreed in.
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