LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

what new cam? cc503 (current)

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Old 10-16-2011, 05:09 PM
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what new cam? cc503 (current)

spare you guys the details, but a rocker fell off the valve and the cam shaft is damaged. its a cc503, I really liked the cam. I do drive it to work from time to time, and on weekends

cc503
1.6 promags
918 springs
3 angle valve job
impy headgasket
very mild port and polish
longtube headers/ory magnaflow catback
m6 / centerforce clutch
madz28 tune
4:10 rear
should I get ls style lifters?

what new cam? thinking bigger...
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Old 10-16-2011, 09:46 PM
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Re: what new cam? cc503 (current)

id say if you really liked it.... get another 503

if you go any bigger youre gonna loose the low end and it wont be as fun to drive.... depending on how you like your car to behave of course. but also bigger wont make much more power without some portwork

how much do u wanna drop? and how do you want the car to behave
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Old 10-16-2011, 09:54 PM
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Re: what new cam? cc503 (current)

You'll be fine with bigger u got 4.10's. I love my xfi280. 576/571 lift 230/236 duration. 113 lobe separation angle. The car has decent low range,great mid range and pulls like a freight train on top end. Also I have the 26918 beehive 's as well I use comp cams hydraulic lifters with no issue. You'll really notice this cam and so will everyone else. Good luck with whatever you chose
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Old 10-17-2011, 09:57 AM
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Re: what new cam? cc503 (current)

Just spoke with Lloyd, he suggested his 226/232 cam. Its slightly bigger than the cc503.

now I need a lifter suggestion.
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Old 10-17-2011, 10:40 AM
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Re: what new cam? cc503 (current)

The is no need in changing lifters if yours are OK. The LS1 lifters are the same.
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Old 10-17-2011, 02:53 PM
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Re: what new cam? cc503 (current)

the loose rocker wrecked one of mine and scared the camshaft
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Old 10-17-2011, 03:12 PM
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Re: what new cam? cc503 (current)

What will the car be used for?
slightly bigger is not going to be noticable.
in all the cars that you describe i use the 503 and customers really like it.
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Old 10-19-2011, 03:32 PM
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Re: what new cam? cc503 (current)

Originally Posted by dennis5374
You'll be fine with bigger u got 4.10's. I love my xfi280. 576/571 lift 230/236 duration. 113 lobe separation angle. The car has decent low range,great mid range and pulls like a freight train on top end. Also I have the 26918 beehive 's as well I use comp cams hydraulic lifters with no issue. You'll really notice this cam and so will everyone else. Good luck with whatever you chose
I second the XFI280. Great sound, driveablity, and power comes on low and just keeps going till 6500 with my car.
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Old 10-23-2011, 12:27 PM
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Re: what new cam? cc503 (current)

found a deal I couldn't refuse on a cc306!
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Old 10-24-2011, 07:19 AM
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Re: what new cam? cc503 (current)

Originally Posted by maybe2fast
found a deal I couldn't refuse on a cc306!
Look for a good deal on a 503, you will be back to it...
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Old 10-24-2011, 08:51 AM
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Re: what new cam? cc503 (current)

I hope that is not true!
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Old 10-24-2011, 08:54 AM
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Re: what new cam? cc503 (current)

will not make over 400 and have to spin it over 6800 to make peak power.
have fun!!
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Old 10-24-2011, 09:13 AM
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Re: what new cam? cc503 (current)

thanks! will post results of butt dyno
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Old 10-29-2011, 01:21 PM
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Re: what new cam? cc503 (current)

There is hope, I loved my CC306. I'm running a midsize cam in my DD and although low end is better it's not as fun. If I had the chance I'd run a CC306 again. Guys who get their stuff running right make 350-365 cam only with a CC306 and over 400rwhp with decent heads. I've seen 428rwhp through an auto and 9" rear [GTP LT4 heads]. Having the bump in compression will help out that CC306 as well.

Here is a 350, CC306, stock heads with LT4 valves, 11:1 compression. 6800 isn't necessary, peaked at 6300ish.

Name:  saegraphcorrected.jpg
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Let it eat!

-Dustin-
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Old 10-29-2011, 03:07 PM
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Re: what new cam? cc503 (current)

you got me alot more excited!
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