Cam Question
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Instructor
Joined: Apr 2005
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From: Mount Clemens Michigan
Cam Question
Whats the next step up from stock for an 89 L98 Vette... i just want something a lil more than stock nothing serious just put out a lil more power when i get the port job and true duals goin
Team Owner
Joined: Sep 2002
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From: OBAMA IS HITLER
the next step up, which would work in concert with an otherwise stock setup, is the Lingenfelter (LPE) 211 cam....p/n 74211, specs: duration 211/219, .499/.525 lift w/1.5 rr's, .530/.560 w/1.6 rr's, rpm range 1600-5200 rpms, 112 LSA.
this is a very good stock upgrade with very high lift given the duration, which is great for torque
this is a very good stock upgrade with very high lift given the duration, which is great for torque
Last edited by Red Tornado; Jul 5, 2005 at 12:54 AM.
Instructor
Joined: Apr 2002
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From: Spokane Wa
Your next step
Don't miss the simplist step of all. Install a set of 1.6 roller rockers. This will give you more lift and duration out of the cam you have. You will notice the differance right away. Full roller rockers will give you a faster reving motor and a little more rpm range aswell as more power. Set you back around$200.00- $300.00 . If you install them yourself.
Team Owner
Joined: Dec 2000
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From: SE NY
Cruise-In II Veteran
Either cam would be a fine choice.
If you are talking about porting the stock #113 heads, then adding an Accel base with AS&M LT runners would round out the package.
The only other thing you might do is to install a HyperTech coil/cap/rotor package with performance wires and open the plug gap to .045". This will assure a good charge burn at high rpm.
You will also need to raise your WOT shift points to around 6k RPM to take full advantage of the much improved breathing up top. B&M (from Summit) makes a nice Governor Recalibration kit for this purpose.
Le Mans Master
Joined: May 2000
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So you guys recommend doing a cam change when the guy asks for "nothing serious" and he is going to port his heads in the future?
Last I checked doing a cam basically involves removing the front of the motor, and the intake. I would call this a tad more involved then nothing serious. Since he plans to port his heads in the future wouldn't you think it wise that he pulls the front off and intake off once and takes the extra 2 hours to do the cam at that time?
Nothing serious to me would be underdrive pulleys, 1.6 rockers, bypass the coolant to the TB, set of big tube runners and of course headers.
Last I checked doing a cam basically involves removing the front of the motor, and the intake. I would call this a tad more involved then nothing serious. Since he plans to port his heads in the future wouldn't you think it wise that he pulls the front off and intake off once and takes the extra 2 hours to do the cam at that time?
Nothing serious to me would be underdrive pulleys, 1.6 rockers, bypass the coolant to the TB, set of big tube runners and of course headers.
Team Owner
Joined: Sep 2002
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From: OBAMA IS HITLER
we recommended a cam change because that was the subject of his post. the cams recommended are 1 full step up in duration from factory. we interpreted "nothing serious" to mean a cam that would not be radical and unfriendly for the street.
no need to get so sanctimonious. if you would read, you'd see
no need to get so sanctimonious. if you would read, you'd see
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Burning Brakes
Joined: Oct 2002
Posts: 914
Likes: 14
From: Aberdeen, Scotland
383?
What about the above, basic build plus 383 stroker? My buddy is rebuilding his and I think a 383 kit is a good idea with a mild cam.
Thoughts?
I drive a 71 Ls-5, so I cannot help with anything other than the basics!
carbster09
Thoughts?
I drive a 71 Ls-5, so I cannot help with anything other than the basics!
carbster09
Le Mans Master
Joined: May 2000
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Originally Posted by bradvette
we recommended a cam change because that was the subject of his post. the cams recommended are 1 full step up in duration from factory. we interpreted "nothing serious" to mean a cam that would not be radical and unfriendly for the street.
no need to get so sanctimonious. if you would read, you'd see
no need to get so sanctimonious. if you would read, you'd see
I put down 276 rwhp with stock heads and cam. So the next step doesn't have to be a cam.
Last edited by hippy; Jul 5, 2005 at 12:15 PM.
Team Owner
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From: Athens AL
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Originally Posted by hippy
I don't recall cams being the subject of this post. Could you post where I missed cams as the subject as I thought I read the post correctly..
Le Mans Master
Joined: May 2000
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Originally Posted by 89vettefromhell
thanks for al the advice... i think im gonna go with what bradvette first suggested... thats not to big of a cam and i plan on throwing the 1.6s on there too... 
For the hp improvement you are looking for you can easily achieve this with stock heads and cam.
Last edited by hippy; Jul 7, 2005 at 12:29 AM.
Thread Starter
Instructor
Joined: Apr 2005
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From: Mount Clemens Michigan
Originally Posted by hippy
Do you realize that with this cam and stock heads you will be putting springs in the heads? Also stock 113 heads stall at .500 lift. Anything over that lift is no benefit. With a stock 113 head you'd be better off cost wise and performance with a lift UNDER .470-.490 (no spring change) and a bit more duration. TPiS had the Super Profile cam that had the same lift as the stocker but around 10-12 more degrees duration at .050.
For the hp improvement you are looking for you can easily achieve this with stock heads and cam.
For the hp improvement you are looking for you can easily achieve this with stock heads and cam.