New Cam installed timing help
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From: Independence, MO
New Cam installed timing help
the cloyes timming set you used has a 3-way crank sprocket, it has 3 keyways on sets the cam centerline at TDC one sets it 4 degr. adv. and one sets it 4 degr. retarded. i'd almost bet you installed it retarded. the distributor you have is fine with a recure kit and the advance all in by 2500-3000 rpms, keep in mind while the billit stuff looks cool, it dont put you on the other end of the track. DW
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From: Still under the hood in O
New Cam installed timing help
I just reread your post;
If your timing is set at 6 deg then I would definitely advance it to at least 8 deg BTDC if not 10 deg. Try 10deg and then get on it. If it pings go down to 8 and try again.
If your timing is set at 6 deg then I would definitely advance it to at least 8 deg BTDC if not 10 deg. Try 10deg and then get on it. If it pings go down to 8 and try again.
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From: shepherd
New Cam installed timing help
i may just get me a different cam for the street with low end torque instead of mid range. what cam would you say i could use?
i want tire ripping low end power and good take off. i think i am going to get a 3.50 rearend when i get the money.
i want tire ripping low end power and good take off. i think i am going to get a 3.50 rearend when i get the money.
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New Cam installed timing help
Just a note you may think about getting the rearend done first. It may wake up the engine/cam to make it perform as it should. IF you are not going with a junkyard 3.55 axle as their all over the place and plan to just install gears in your 9 inch I believe is what you have and mpg is no concern then I would opt for 3.73 or 4.10. If you are not happy after that then you probably if no other things are wrong with your tranny or engine need a different cam. Reason I mention doing the rear first is when you order a cam they are somewhat specific to your rearend and if you plan on a lower gear (numerically higher) then you may want to do that first or it may throw it off when you do. Call a manufacturer of your choice and give them all your specs and you should be happy with what they recommend. More than one person around here and other sites are happy with the comp cams, or crane. Good luck
Last edited by jwtaylor; Sep 10, 2003 at 11:34 AM.
Posting Guru
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From: Independence, MO
New Cam installed timing help
that cam according the specs you gave us, should be a excelnt low end cam, you obviously have a problem somewhere, was the cam properly broken in? you need to find the root of the problem b4 waisting money to fix somthing your not shure is broke, going fast and making power is not the action of one thing, its a combination of things that HAVE TO WORK TOGETHER. DW
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From: shepherd
New Cam installed timing help
well here are the things that are wrong with the truck that are taken some power away. i have tried everything and the alternator still does not work i had it tested and replaced the voltage reg., adjust timing back some adjust carb i am going to take it to somebodies house so that we can both fix all of that. how do you break the cam in. before i started driving it, for a couple of weeks i cranked it up and let it run while i tinker with the engine. does that count as breaking it in?
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Posting Guru
Joined: Jan 2003
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From: Still under the hood in O
New Cam installed timing help
Break in consist's of starting the motor and running to 2K RPM and varying between 1500-2000RPM for 20 minutes.
When I said set the timing to 8-10deg I was talking about ignition timing, not valve timing.
When I said set the timing to 8-10deg I was talking about ignition timing, not valve timing.
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Joined: Jun 2001
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New Cam installed timing help
If you are not happy after that then you probably if no other things are wrong with your tranny or engine need a different cam
Thats why I mentioned that in my previous post. Everyone including myself have looked up your cam and confirmed it is more likely than not an rv/torque cam by the specs you gave. However, my theory on you rearend being too high could very well be a fair reason why your not happy, if the cam is not able to operate as it was intended/ if it was designed for a lower gearing. Oh well, maybe you will figure it out when you and your buddy mess with it, probably just something simple. Good luck
Thats why I mentioned that in my previous post. Everyone including myself have looked up your cam and confirmed it is more likely than not an rv/torque cam by the specs you gave. However, my theory on you rearend being too high could very well be a fair reason why your not happy, if the cam is not able to operate as it was intended/ if it was designed for a lower gearing. Oh well, maybe you will figure it out when you and your buddy mess with it, probably just something simple. Good luck
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From: Atlanta, Georgia, USA
New Cam installed timing help
If you didn't break it in according to spec, you probably wiped a lobe off the cam. If you really don't get it going immediately for 15-20 minutes, you'll make the cam face and lifter grind each other down to nothing in minutes. You don't make enough oil pressure at idle to prevent wear from occuring, and if your pressure isn't very high to begin with, it could happen anyway.
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From: shepherd
New Cam installed timing help
is 65 psi enough pressure at idle. it makes almost 80 cruising. if the lobes are ground down would it run rough and not run good. i want to get 3.50 gears what rearend gears should i use.i want good take off with the cam i have and for daily usage. how about some timing advance springs would that make it run better with the cam
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New Cam installed timing help
anything over 40psi at 2000 rpm, mine runs 42-45 above 2000 rpm and it is new with a new stock pump.
You should figure out your cam condition first get someone to put a dial indicator on your rockers and see if the lift is okay. Then go from there. If you go to 3.50 gears you might as well go 3.70 or 4.11 there is only a few rpm difference there. Check out your cam first and make sure everything is sound engine wise. Good luck
You should figure out your cam condition first get someone to put a dial indicator on your rockers and see if the lift is okay. Then go from there. If you go to 3.50 gears you might as well go 3.70 or 4.11 there is only a few rpm difference there. Check out your cam first and make sure everything is sound engine wise. Good luck