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Author
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Topic: TIMING CHAIN
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mellowyellow
Gearhead Posts: 5456
From: So. Fl.
Registered: Aug 2000
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posted 04-09-2002 03:35 PM
  
Putting a straight edge across the installed chain in a 66 289..what is the most/orleast amount of slack that a chain should have??
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SteveLaRiviere
Administrator Posts: 30097
From: Saco, Maine
Registered: May 99
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posted 04-09-2002 05:32 PM
.250" at the most. Most quality chain sets don't have much.I like to hold the chain horizontal and then you can see how loose the links are by the sag. It should have virtually none. ------------------
'70 Mustang Mach 1 M code 351C 4V/FMX/3.25 open
'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Lok
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
MCA Member # 47773
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mellowyellow
Gearhead Posts: 5456
From: So. Fl.
Registered: Aug 2000
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posted 04-09-2002 05:51 PM
With chain on the car-got a 1/4" and holding it horizontal as you say it is loose as a goose. We had a Napa chain and it is wrong for the car-two small. I've had this engine for a spell and we opened it up to check bearings, and chain. The motor is fresh but the chain is weak.
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SteveLaRiviere
Administrator Posts: 30097
From: Saco, Maine
Registered: May 99
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posted 04-09-2002 05:57 PM
Get a good one, like a Dynagear {Alex speaks highly of them} or a Cloyes. Now's the best time to change it.  ------------------
'70 Mustang Mach 1 M code 351C 4V/FMX/3.25 open
'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Lok
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
MCA Member # 47773
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mellowyellow
Gearhead Posts: 5456
From: So. Fl.
Registered: Aug 2000
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posted 04-09-2002 06:03 PM
Will do! Thanks!
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V8 Thumper
Gearhead Posts: 2807
From: Orange, Ca. United States of America
Registered: Dec 2001
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posted 04-09-2002 10:47 PM
quote:
Originally posted by SteveLaRiviere:
Get a good one, like a Dynagear {Alex speaks highly of them} or a Cloyes. Now's the best time to change it.
Ditto. While you're that far in, do it right. Why skimp on a component as critical as that? I bought a Dynagear set from Alex per his STRONG recomendation... and it was reasonably priced too!
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Calcat
Journeyman Posts: 75
From: Los Angeles, CA
Registered: Feb 2002
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posted 04-10-2002 02:13 AM
Mellowyellow - was the engine by chance ever line bored? If so it would always have additional slack, but there are several companies making undersized chains. Just a thought.
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mellowyellow
Gearhead Posts: 5456
From: So. Fl.
Registered: Aug 2000
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posted 04-10-2002 06:58 AM
quote:
Originally posted by Calcat:
Mellowyellow - was the engine by chance ever line bored? If so it would always have additional slack, but there are several companies making undersized chains. Just a thought.
My tech friend, who was over yesterday, asked the same question.I don't know. I bought it from a golf pro, of all people. He had bought the car, with the 'fresh rebuild' looking for a project for his kid. It was too badly rusted so they saved the engine and junked the car. Moving, sold me the engine for a cheap price. But the motor looks real good.
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mellowyellow
Gearhead Posts: 5456
From: So. Fl.
Registered: Aug 2000
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posted 04-11-2002 12:30 AM
Apparently the motor has been line bored. What makers mfr. undersized chains? Appreciate any feedback on this topic.
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Calcat
Journeyman Posts: 75
From: Los Angeles, CA
Registered: Feb 2002
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posted 04-11-2002 02:54 AM
mellowyellow - I know Cloyes makes chains in two undersizes - .005 and .010. hope this helps.
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mellowyellow
Gearhead Posts: 5456
From: So. Fl.
Registered: Aug 2000
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posted 04-11-2002 08:01 AM
Thanks! Yes, it does.
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mellowyellow
Gearhead Posts: 5456
From: So. Fl.
Registered: Aug 2000
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posted 04-13-2002 04:49 PM
Well, went to auto parts and got a Pronto brand, made by Cloyes Gear, for my 289. What a difference! Tight, and very well within limits. It aint loose!!! Thanks for all the info.
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