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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Finally Time for a Cam! Which one?

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Old Jan 5, 2007 | 04:32 PM
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Default Finally Time for a Cam! Which one?
I'm thinking about adding a mild cam

what would be good for my set up?

2800 stall with a 3.73 rearend gear

90,000 miles, I have a set of 1.6 crane rr sitting around I can use

I may port the heads if I can get it done for fairly cheap

I am looking for a good all round cam thats good for nitrous, but will still give me a good boost for all motor runs.

Any suggestions
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Old Jan 5, 2007 | 04:50 PM
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226/230 530/550 /110 1.52RR (it's only a small shot) who cares!
xfi lobe!....lol....Comp.
well he asked....I gave him my idea......
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Old Jan 5, 2007 | 04:54 PM
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or just a 503....cam
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Old Jan 5, 2007 | 05:30 PM
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the 503 cam is the one I am looking into
what kind power difference from the two though
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Old Jan 5, 2007 | 06:09 PM
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Well Here It Is.......
My Cam: Pk/hp:321@6000 Pk/tq:332@4000 Ave. Hp./tq. (246hp/311tq)
Cc503: Pk/hp: 324@6000 Pk/tq: 331@4500 Ave. Hp./tq. (246hp/309tq)
On A Stock Bone Stock Fbody
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Old Jan 5, 2007 | 06:11 PM
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The xfi lobes are more aggressive and designed for use with the 26918 comp springs. If you are going to get your heads ported, check into a custom H/C package if you can afford it. The ones from www.eportworks.com are very reasonably priced and he's had good results. Home porting can do more harm than good.

3015/3016 comp xfi maybe
I like the intake lobes more since they have more lift, but that's up to you.
224/230 .573/.576 112+4 LSA

I'm no expert and if you want max power and performance, you'll contact someone like bret bauer.
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Old Jan 5, 2007 | 06:12 PM
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Originally Posted by travie319
226/230 530/550 /110 1.52RR (it's only a small shot) who cares!
xfi lobe!....lol....Comp.
well he asked....I gave him my idea......
Where did you find a 226 duration xfi lobe?
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Old Jan 5, 2007 | 06:21 PM
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Custom Grind.....
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Old Jan 5, 2007 | 06:29 PM
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For a baby shot do not even take it into consideration on the cam selection.

Maybe try the GMPP 846.
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Old Jan 5, 2007 | 06:30 PM
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Originally Posted by travie319
Well Here It Is.......
My Cam: Pk/hp:321@6000 Pk/tq:332@4000 Ave. Hp./tq. (246hp/311tq)
Cc503: Pk/hp: 324@6000 Pk/tq: 331@4500 Ave. Hp./tq. (246hp/309tq)
On A Stock Bone Stock Fbody
BOTH CAMS PK EXACTLY THE SAME WITH LONG TUBES AND OPEN EXH.
AND I RAN THE CC503 W/1.6 RR
HP 355@6000/TQ 348@3500
Last edited by travie319; Jan 5, 2007 at 06:36 PM.
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Old Jan 5, 2007 | 06:38 PM
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Originally Posted by 96capricemgr
For a baby shot do not even take it into consideration on the cam selection.

Maybe try the GMPP 846.
on n20 comment!
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Old Jan 5, 2007 | 06:47 PM
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my vote is for the 503....you can buy it anywhere....
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Old Jan 5, 2007 | 07:11 PM
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my vote is for the 503....you can buy it anywhere....
I agree for a mild cam with no headwork.
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Old Jan 5, 2007 | 07:16 PM
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I just graphed the 846 cam......and it looks almost identical to the 503
both winners in my book!
I would still buy the 503.....and rev it to 6200rpm
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Old Jan 5, 2007 | 07:23 PM
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Originally Posted by travie319
I just graphed the 846 cam......and it looks almost identical to the 503
both winners in my book!
I would still buy the 503.....and rev it to 6200rpm
What program are you using? Is it free or can you send it to me? Are you including the advertised durations in your calculation? From what I've seen from the 847, the GM cams have very slow ramp rates.
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Old Jan 5, 2007 | 07:40 PM
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Performance Trends
and I graphed the 846 cam...not the 847.....
it's actually this cam http://www.cranecams.com/index.php?s...31&lvl=2&prt=5
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Old Jan 5, 2007 | 07:45 PM
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good program though!
http://www.performancetrends.com/
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Old Jan 5, 2007 | 07:46 PM
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not cheap!
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Old Jan 6, 2007 | 01:33 AM
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Originally Posted by travie319
Performance Trends
and I graphed the 846 cam...not the 847.....
it's actually this cam http://www.cranecams.com/index.php?s...31&lvl=2&prt=5
Yeah, I just hadn't seen the specs for the 846 cam, just the 847, and they both have pretty slow ramp rates. Seem lazy to me, like old technology. That's why I recommend Comp more. I guess I should recommend Cam Motion more since they're the local guys, but I just don't hear much LT1 stuff from them.
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Old Jan 6, 2007 | 02:27 AM
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what about the cc306 vs. the cc503

which ones going to give me more power?
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