unknown cam question
Thread Starter
Pro
Joined: Nov 2009
Posts: 566
Likes: 34
From: ohio
unknown cam question
i picked my car up with a cam in it, all i know is that its a MTI cam. i dont know if its a custom cam or one of their shelf cams, i tried pming him on here but i have no answer back
there is a real slight tick sometimes, so this winter i plan on pulling a valve cover and seeing if it has stock springs.
can i use an indicator and measure how much a rocker moves to find out the lift of the cam?
there is a real slight tick sometimes, so this winter i plan on pulling a valve cover and seeing if it has stock springs.
can i use an indicator and measure how much a rocker moves to find out the lift of the cam?
Thread Starter
Pro
Joined: Nov 2009
Posts: 566
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From: ohio
Le Mans Master
Joined: Nov 2005
Posts: 6,993
Likes: 25
Le Mans Master
Joined: Nov 2005
Posts: 6,993
Likes: 25
This is a good book, you can read about ls1 valve spring online:
http://books.google.com/books?id=57f...age&q=&f=false
http://books.google.com/books?id=57f...age&q=&f=false
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Thread Starter
Pro
Joined: Nov 2009
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From: ohio
lol, so am i correct about valve springs on these cars being prone to breaking? i read that on here, but maybe thats just the ls6.
looking down the oil fill hole, i can see the rocker. it cast, so im assuming thats stock.
also, looking online for a new gasket i see they are rubber. so im assuming they are reusable? the passenger side has a slight leak
looking down the oil fill hole, i can see the rocker. it cast, so im assuming thats stock.
also, looking online for a new gasket i see they are rubber. so im assuming they are reusable? the passenger side has a slight leak
Burning Brakes
Joined: Jun 2005
Posts: 782
Likes: 45
From: Toronto Ontario
hatewhatownsyou:
If you have a degree wheel, a dial indicator and some time, you can recreate the cam card for your cam. If you don't feel like that, you might be able to score a cam number engraved into the end of the cam. But you'll still have to pull the front cover. Maybe the whole cam, if its engraved on the back.
I'll bet if you're running it on the street without much worry, it's probably pretty tame, though. Springs good to .650 lift would fix your sleepless nights, more than likely*.
* if you do this and it still blows, its not my fault.
If you have a degree wheel, a dial indicator and some time, you can recreate the cam card for your cam. If you don't feel like that, you might be able to score a cam number engraved into the end of the cam. But you'll still have to pull the front cover. Maybe the whole cam, if its engraved on the back.
I'll bet if you're running it on the street without much worry, it's probably pretty tame, though. Springs good to .650 lift would fix your sleepless nights, more than likely*.* if you do this and it still blows, its not my fault.
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Pro
Joined: Nov 2009
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From: ohio
i just said f it and pulled the valve cover, so is this all stock?
i dont have a degreeing wheel nor know how to do it, so thats out of the question. im more concerned with lift(last what causes spring failure)
here is a vid of the car, one guy i know thinks its the r1 cam. would you guys agree?
http://www.youtube.com/watch?v=2tU_z...layer_embedded
im probably just worrying about nothing, but i just want to be safe. at some point this car was boosted, someone left the electronic boost gauge stuff under the glove box and on the bottom of the door jambs the paint is cracked, so im guessing that is from the car flexing.
i dont have a degreeing wheel nor know how to do it, so thats out of the question. im more concerned with lift(last what causes spring failure)
here is a vid of the car, one guy i know thinks its the r1 cam. would you guys agree?
http://www.youtube.com/watch?v=2tU_z...layer_embedded
im probably just worrying about nothing, but i just want to be safe. at some point this car was boosted, someone left the electronic boost gauge stuff under the glove box and on the bottom of the door jambs the paint is cracked, so im guessing that is from the car flexing.
Last edited by hatewhatownsyou; Nov 26, 2009 at 09:09 PM.
Burning Brakes
Joined: Jun 2005
Posts: 782
Likes: 45
From: Toronto Ontario
Stock rockers. Beehive style srings are probably stock. The paint code seems to support that.
Are you sure this noise isnt in your head? My LS6 does all kinds of clicking and clacking. Between then "normal piston slap" and the clickety valve train, how can you tell?
Are you sure this noise isnt in your head? My LS6 does all kinds of clicking and clacking. Between then "normal piston slap" and the clickety valve train, how can you tell?
Thread Starter
Pro
Joined: Nov 2009
Posts: 566
Likes: 34
From: ohio
its not not real loud valvetrain noise nothin i would be concerned about, sometimes i just hear it ticking every couple of seconds after i beat on it.
i dont think its about to blow up now, im just looking down the road because usually when you put a cam in, you should do springs to for safety
Last edited by hatewhatownsyou; Nov 27, 2009 at 03:50 PM.
