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Discussing Cam help in the 99-04 Forum. So what is involved in the process with cams, what do you need besides them ...

       

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Old June 17th, 2007, 09:46 PM   #1
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Cam help


So what is involved in the process with cams, what do you need besides them and do you need to take the engine out? Also, whats the best type?
Thanks.
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Old June 17th, 2007, 09:47 PM   #2
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What are you looking fr out of your cams? i.e. more rpm's, aggressive low end, good midrange, killer top end, etc...........
 
Old June 17th, 2007, 09:49 PM   #3
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on our engines you do not need to take the engine out, but you might have to take the heads off. When we did mine, I had to change the springs as well. So to make matters easier on us, we took the heads off so that one of the valves didn't fall down in the cylinder.
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Old June 17th, 2007, 09:50 PM   #4
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more of a low end thing. my car has gone downhill since i bought it in the acceleration department and engine swaps are too costly at the moment, i gotta fix my transmission as well so im looking for something somewhat cheap.
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Old June 17th, 2007, 09:53 PM   #5
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I would say do 4.10s or 3.73s for the low end acceleration, and then get a good mild cam for the mid and top!
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Old June 17th, 2007, 09:54 PM   #6
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Cheapest route, in my opinion, would be something like Comp's 262 cams. You could probably get away with using the stock valve springs, and you could even get around a custom tune if you don't have the $ for it right away. If you went any more duration/lift than that, you will NEED better springs and a decent tune. Also, just changing cams is a walk in the park on these mod motors.
 
Old June 17th, 2007, 09:59 PM   #7
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this may seem like a stupid question but what do you need to do all the adjustments and measuring when installing them?
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Old June 17th, 2007, 10:01 PM   #8
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Also what is all the 270, 262, 268 for?
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Old June 17th, 2007, 10:06 PM   #9
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You really don't need anything except basic tools and an inch lb. TQ wrench. You can change the cams without pulling the front cover, but I never felt comfortable with that. If you pull the cover, you can line the timing marks up and be for sure you are are not off at all.
The nmbers stand for the advertised duration ( how long the valves stay open). Lift numbers are referring to how far the valve comes open. Keep in mind that a higher duration number will result in loss of low end power and , subsequently, driveability.
 
Old June 18th, 2007, 01:35 AM   #10
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What kind of a gain are you looking at getting with them?
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Old June 18th, 2007, 01:39 AM   #11
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yeah i want to know also if i should get some cams before i either supercharge or turbo mine????should i go ahead and do it guys??
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Old June 18th, 2007, 01:45 AM   #12
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if you plan on adding something major like boost or spray, then cams need to be done then or last. cams are a big key when adding stuff like that on; lift, duration, centerline, overlap, etc. play a critical part to get efficient power. custom grind cams with custom tune is the best way to go when doing that. as for power, i personally dont know. just be sure to do homework before you go out and get any cam. you can over cam a motor and if you do you will kick yourself in the ass.
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Old June 18th, 2007, 01:46 AM   #13
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well isnt 262 basically a stock cam? so why would i get those?
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Old June 18th, 2007, 01:51 AM   #14
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a 262 is a little bigger than stock. stck cams are made to work for an array of people, conditions, and uses. aftermarket cams are made for more specific purposes. the lift, duration, lsa, and a lot of other things go into making an aftermarket cam. that is why you can get good power gains even out of a small cam.
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Old June 18th, 2007, 01:53 AM   #15
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what should i get mike??
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Old June 18th, 2007, 01:53 AM   #16
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hmm
good to know
is comp good?
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Old June 18th, 2007, 01:56 AM   #17
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i run comp in all of my cars, i love them. form what i been seeing and hearing form a lot of reputable shops is that vt is making a little more power than comp. depending what else i do to mine, will make me decide with which company i go with.
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Old June 18th, 2007, 03:51 AM   #18
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I have houston performance s292 cams. they have an advertised duration of 292 more like 240 @ .50 with a 531/531 lift and a 114 lsa. I went from 431/419 to 515/453 with these cams and a retune. They are a street cam that also does well na.

I just removed the valve cover and used the AFM cam retention tool. I'm also still running the stock valve springs.
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Old June 18th, 2007, 04:05 AM   #19
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a 262 or stage 1 cam does not need a spring change. 27+ or stage 2 needs springs.
 
Old June 18th, 2007, 10:36 AM   #20
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I plan on going with the comp cams, either 262 or 270 (probably 262). I've done a lot of research on these cams, and they seem to give great results and are good quality. check out their website and look through their tech and information pages, they describe everything you need to know about each cam.

http://www.compcams.com/
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