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Author
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Topic: installing new cam in old motor question
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gercolla1
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Member # 3068
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posted
 
 
If I install a new cam in an otherwise fine running 80K 302,do I still need to install the old lifters back in their original places and does the same go for the pushrods too? ![[patriot]](graemlins/patriot.gif)
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Sf Bay Area
Posts: 2171 | From: Sampan San Francisco | Registered: Jul 2003
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BlackNGold
CaliforniaFords.com
Moderator
Member # 655
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posted
If you did install a new cam in an 80K motor, I would replace the lifters and pushrods anyway, that's me though...I'd also upgrade the valve springs if I was also using the stock heads...
You have to remember that the lifters and stock valve springs are week and my not be able to subdue to the extra lift of an aftermarket cam...
To answer your question more specifically, I don't think the order matters when you reinstall you old lifters or pushrods with a new cam...
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-SLOWER TRAFFIC KEEP RIGHT-
Posts: 5132 | From: Bay Area, CA | Registered: Dec 2001
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JoeT
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Member # 298
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posted
do the timing chain too ![[Razz]](tongue.gif)
9-position key sets are available at Summit and elsewhere ~$65
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1984 Ford Tempo AOD--- RIP
Posts: 6785 | From: San Jose | Registered: Jun 2001
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Saint
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Member # 2746
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posted
i would all so just pull off the head and get them deck and get new head gaskets sence the motor is mostly apart.
Posts: 239 | From: Antioch | Registered: Apr 2003
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Fostang
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Member # 3752
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posted
Well man since we're taking apart already lets not stop there.
I think you should rebuild your motor. ![[Roll Eyes]](rolleyes.gif)
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67' Fastback TT 408
67' Camaro Lsx
64' Corvette Fuelie
57' Chevy Bel Air Lsx
68’ Pony Convertible
66’ Pony Coupe
Posts: 3011 | From: Stockton/Danville | Registered: Nov 2003
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BlackNGold
CaliforniaFords.com
Moderator
Member # 655
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posted
Hey, I only stop when the money runs out... ![[Big Grin]](biggrin.gif)
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-SLOWER TRAFFIC KEEP RIGHT-
Posts: 5132 | From: Bay Area, CA | Registered: Dec 2001
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stoauto
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Member # 2803
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posted
it doesn't matter where you put the lifters as long as its a roller motor. if it was flat tappet, then it matters. replacing the valve springs is always a good idea, but its not necessary. i would do the timing chain for sure though. if its a stock motor then just get a stock replacement chain from kragen or something.
Posts: 1054 | Registered: May 2003
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stoauto
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Member # 2803
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posted
what cam are you slapping in it?
Posts: 1054 | Registered: May 2003
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gercolla1
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Member # 3068
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posted
quote:
Originally posted by stoauto:
what cam are you slapping in it?
I am replacing a e303 with a b303 and new 1.7rr's and it already has gt40 irons on there. I also have an edelbrock timing chain that allows for adv. and ret. up to like 4deg. How should I set it? Straight up, or...
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Sf Bay Area
Posts: 2171 | From: Sampan San Francisco | Registered: Jul 2003
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65 custom
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Member # 3173
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posted
i have always head if you take them out you should put them back in the same way because the rockers and push rods and lifters wear a certian way to each one. but it should not matter too much
Posts: 128 | From: mountian view | Registered: Aug 2003
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Saint
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Member # 2746
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posted
when i put me e cam in a few months ago i replaced the heads gaskets and got the heads surfaced so i wouldnt have any head gaskets problems becuase the motor had 100k miles. it took like an hour to do and would save you alot of work in the long run. puting a cam in will put more stress on an old motor and the head gaskets will be one of the first things to go
Posts: 239 | From: Antioch | Registered: Apr 2003
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