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Old 09-11-2011, 11:26 AM   #1
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L99 VVT CAM - tell me about your setup and results

After researching all the cams and options for my L99 I am considering a VVT cam. The LS3 conversion is not an option for me since I don't have $4K to spend. It appears that the VVT has proven to provide the most power for a stage I and stage II up to the 5100 rpm. A setup like this would cost me $1500 installed. I don't plan on adding a supercharger so I think this may be a good option for me. Has anyone experienced any issues with a VVT setup? I would be interested in hearing about your experience.

Also, please post video sound clip. I have had little luck finding them on Youtube.
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Old 09-11-2011, 11:37 AM   #2
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Old 09-11-2011, 02:10 PM   #3
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Old 09-11-2011, 05:16 PM   #4
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Wow! Nobody has a vvt cam?
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Old 09-11-2011, 05:24 PM   #5
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I would like info on this too!
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Old 09-11-2011, 05:57 PM   #6
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dont know about the cam but the ls3 conversion would require replacing the 10.4 compression ratio pistons with 10.7 ones.thats what comes in a ls3...i see alot of people talking about LS3 conversions but think almost none have swapped out the pistons.....and that along with turning off the vfm is what it would take for a conversion.a L99 will always be a L99 without the piston swap..period
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Old 09-11-2011, 06:38 PM   #7
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Quote:
Originally Posted by hunter1660 View Post
dont know about the cam but the ls3 conversion would require replacing the 10.4 compression ratio pistons with 10.7 ones.thats what comes in a ls3...i see alot of people talking about LS3 conversions but think almost none have swapped out the pistons.....and that along with turning off the vfm is what it would take for a conversion.a L99 will always be a L99 without the piston swap..period
I am interested to know about vvt cams. Don't care about ls3 conversions but you're right, it wouldn't make your engine an ls3 if you converted as most people do.

If anyone has a vvt cam please share your thoughts.
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Old 09-11-2011, 07:54 PM   #8
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I think that texas speed has l99 vvt cams here is a link

http://www.texas-speed.com/c-234-cam...c-engines.aspx
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Old 09-11-2011, 08:29 PM   #9
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I run a mast stage 1 VVT cam. Good low end power and lope. You will need an aftermarket torque converter though.
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Old 09-11-2011, 08:36 PM   #10
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Quote:
Originally Posted by lexlueger View Post
I run a mast stage 1 VVT cam. Good low end power and lope. You will need an aftermarket torque converter though.
Very nice and thanks for the comment.

I see that you also have a supercharger. Do you know what your rwhp was with just the cam? Is it really necessary to have a torque converter with a stage 1?

Also, have you had any issues with the vvt cam? I heard there is a reliability concern. Thanks for the feedback.I appreciate it.
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Old 09-11-2011, 08:40 PM   #11
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Quote:
Originally Posted by lexlueger View Post
I run a mast stage 1 VVT cam. Good low end power and lope. You will need an aftermarket torque converter though.
your video on youtube is awesome

man you have some serious power in that L99
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Old 09-11-2011, 08:49 PM   #12
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Quote:
Originally Posted by lexlueger View Post
I run a mast stage 1 VVT cam. Good low end power and lope. You will need an aftermarket torque converter though.
+1 for Mast...
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Old 09-11-2011, 09:44 PM   #13
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Quote:
Originally Posted by 1Camaro2SS View Post
Very nice and thanks for the comment.

I see that you also have a supercharger. Do you know what your rwhp was with just the cam? Is it really necessary to have a torque converter with a stage 1?



Also, have you had any issues with the vvt cam? I heard there is a reliability concern. Thanks for the feedback.I appreciate it.
I believe it was 419 rwhp cam/bolt ons. You will need a converter, my car had wicked cam surge without it. I had a broken valve spring awhile back, not sure if that was a VVT issue.
http://www.camaro5.com/forums/showthread.php?t=132873

Quote:
Originally Posted by 1Camaro2SS View Post
your video on youtube is awesome

man you have some serious power in that L99
Thanks! She gets up there. That was a couple pulleys ago.
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Old 09-11-2011, 09:51 PM   #14
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Quote:
Originally Posted by lexlueger View Post
I believe it was 419 rwhp cam/bolt ons. You will need a converter, my car had wicked cam surge without it. I had a broken valve spring awhile back, not sure if that was a VVT issue.
http://www.camaro5.com/forums/showthread.php?t=132873



Thanks! She gets up there. That was a couple pulleys ago.
Thanks again lexlueger, you've been very helpful. Now I need to find out what that converter will cost me installed. Would you be willing to share with me what you paid? You can pm me if you prefer. In any case sounds like it is needed regardless of what stage cam is in.
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