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  TIMING CHAIN

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Author Topic:   TIMING CHAIN
mellowyellow
Gearhead

Posts: 5456
From: So. Fl.
Registered: Aug 2000

posted 04-09-2002 03:35 PM     Click Here to See the Profile for mellowyellow     Edit/Delete Message   Reply w/Quote
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

posted 04-09-2002 05:32 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
.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.

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'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

posted 04-09-2002 05:51 PM     Click Here to See the Profile for mellowyellow     Edit/Delete Message   Reply w/Quote
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

posted 04-09-2002 05:57 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
Get a good one, like a Dynagear {Alex speaks highly of them} or a Cloyes. Now's the best time to change it.

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'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

posted 04-09-2002 06:03 PM     Click Here to See the Profile for mellowyellow     Edit/Delete Message   Reply w/Quote
Will do! Thanks!

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V8 Thumper
Gearhead

Posts: 2807
From: Orange, Ca. United States of America
Registered: Dec 2001

posted 04-09-2002 10:47 PM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
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

posted 04-10-2002 02:13 AM     Click Here to See the Profile for Calcat   Click Here to Email Calcat     Edit/Delete Message   Reply w/Quote
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

posted 04-10-2002 06:58 AM     Click Here to See the Profile for mellowyellow     Edit/Delete Message   Reply w/Quote
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

posted 04-11-2002 12:30 AM     Click Here to See the Profile for mellowyellow     Edit/Delete Message   Reply w/Quote
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

posted 04-11-2002 02:54 AM     Click Here to See the Profile for Calcat   Click Here to Email Calcat     Edit/Delete Message   Reply w/Quote
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

posted 04-11-2002 08:01 AM     Click Here to See the Profile for mellowyellow     Edit/Delete Message   Reply w/Quote
Thanks! Yes, it does.

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mellowyellow
Gearhead

Posts: 5456
From: So. Fl.
Registered: Aug 2000

posted 04-13-2002 04:49 PM     Click Here to See the Profile for mellowyellow     Edit/Delete Message   Reply w/Quote
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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