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Old Sep 24, 2013 | 07:59 PM
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I've been planning to cam my FRC over the winter. Current mods are vararam, headers and tune. I plan on doing 243 heads/LS6 intake when I do the cam. I came across a good deal on a custom cam locally (New) but not sure if its what I'm looking for. The guy who tuned the car said it'll be good for what I want. My goal is to make around 420whp and have a nice streetable car as I drive the car nearly every day. The specs on the cam are 227/238 LSA 110 Lift .613 .615. Thoughts? Thanks fellas!

Last edited by IfastR; Sep 24, 2013 at 08:12 PM.
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Old Sep 24, 2013 | 09:42 PM
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That cam will drive really nice actually, you could step up the intake duration a little more if you want to a 232 and put the lsa on a 112 and the car would drive great if the tuner is good. if you have any further questions please feel free to pm me.
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Old Sep 24, 2013 | 10:44 PM
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I agree on the 112 LSA, the 110 might be a bit much for a DD.
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Old Sep 24, 2013 | 11:04 PM
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I've been fighting this all day. Is a cam like this http://www.texas-speed.com/p-1154-te...-camshaft.aspx worth an extra 200?
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Old Sep 25, 2013 | 04:53 AM
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Originally Posted by IfastR
I've been fighting this all day. Is a cam like this http://www.texas-speed.com/p-1154-te...-camshaft.aspx worth an extra 200?
Why the big price difference? Who ground the cam you are looking at? The Texas Speed price is on par for a cam.
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Old Sep 25, 2013 | 12:06 PM
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size of the cam does not change the price, what will at times is if it's a billet core or not. imo i would never run a non billet core. especially a comp as there have been way to many with high failure rates like the lobes basically eating themselves apart lol.
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Old Sep 25, 2013 | 01:09 PM
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Is your car an auto or a manual?

BTW, yes.. it's worth an extra $200 to get the exact cam you want.
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Old Sep 25, 2013 | 01:27 PM
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Originally Posted by Tech
Is your car an auto or a manual?

BTW, yes.. it's worth an extra $200 to get the exact cam you want.
absolutely!
because your looking for a Head and cam combo look into the MTI V3 cam and our V3 CNC ported 243 heads. Both are matched to flow very well. you'll be knocking on the door of 500hp with headers and a ls6 intake.

www.MTIracing.com





shoot me an email, I can get you some pricing with shipping. johnny@mtiracing.com
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Old Sep 25, 2013 | 01:31 PM
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Originally Posted by Tech
BTW, yes.. it's worth an extra $200 to get the exact cam you want.


$200.00 in the grand scheme of modding is a drop in the bucket. If you have to redo it later because you are not happy, it is going to cost a lot more than $200.

Last edited by chaase; Sep 25, 2013 at 03:50 PM.
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Old Sep 25, 2013 | 01:59 PM
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Originally Posted by IfastR
I've been planning to cam my FRC over the winter. Current mods are vararam, headers and tune. I plan on doing 243 heads/LS6 intake when I do the cam. I came across a good deal on a custom cam locally (New) but not sure if its what I'm looking for. The guy who tuned the car said it'll be good for what I want. My goal is to make around 420whp and have a nice streetable car as I drive the car nearly every day. The specs on the cam are 227/238 LSA 110 Lift .613 .615. Thoughts? Thanks fellas!
Were you planning on stock 243s with this cam? With that LSA it'll probably work, but if you have the heads shaved for more compression; it'll most likely need to have the pistons fly-cut. More compression is your friend; shoot for at least 11:1, but for your needs, I agree with Paul; get a 112, or 113 LSA. It'll still have a real nice lope. Just FYI, if you're doing the work anyway, spend a little more, and have the heads ported/milled by a reputable shop. I recommend TEA. Lots more power is no only addictive, it starts to get real expensive in non-engine related drivetrain parts.
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Old Sep 25, 2013 | 03:21 PM
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Originally Posted by IfastR
I've been planning to cam my FRC over the winter. Current mods are vararam, headers and tune. I plan on doing 243 heads/LS6 intake when I do the cam. I came across a good deal on a custom cam locally (New) but not sure if its what I'm looking for. The guy who tuned the car said it'll be good for what I want. My goal is to make around 420whp and have a nice streetable car as I drive the car nearly every day. The specs on the cam are 227/238 LSA 110 Lift .613 .615. Thoughts? Thanks fellas!
That cam has 12.5* of overlap, so the tuner must be confident that he can make it smooth. The tight LSA will make for good peak power numbers at ~6k rpm, but will carry past peak well with the larger exhaust duration. I personally would run a 224/230 113+2 .609/.604 for great average power and driveability while extending the powerband a little lower with less overlap and higher with a later IVC.

Originally Posted by JoeAZHP
size of the cam does not change the price, what will at times is if it's a billet core or not. imo i would never run a non billet core. especially a comp as there have been way to many with high failure rates like the lobes basically eating themselves apart lol.
How many have you seen? We've installed hundreds since 2005 and I only know of a handful personally, not even sure if they couldn't be attributed to the oil used.

Last edited by PRE-Z06; Sep 25, 2013 at 03:24 PM.
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Old Sep 25, 2013 | 04:00 PM
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My $0.02

Stock 243 heads. LS6 intake, 224/230 .585/.588 LSA 113.

Makes great power throughout the powerband 420 RWHP/392 RWTQ.
Lumpy idle
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Old Sep 25, 2013 | 07:51 PM
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Originally Posted by vettenuts
Why the big price difference? Who ground the cam you are looking at? The Texas Speed price is on par for a cam.
Look guy was selling a cam but wasn't sold on if it was what I wanted.
Originally Posted by Tech
Is your car an auto or a manual?

BTW, yes.. it's worth an extra $200 to get the exact cam you want.
m6 and thats what I was thinking.

Originally Posted by Bluefire
My $0.02

Stock 243 heads. LS6 intake, 224/230 .585/.588 LSA 113.

Makes great power throughout the powerband 420 RWHP/392 RWTQ.
Lumpy idle
Good stuff!!
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Old Sep 26, 2013 | 03:51 PM
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Originally Posted by IfastR
Look guy was selling a cam but wasn't sold on if it was what I wanted.

m6 and thats what I was thinking.



Good stuff!!
One follow up data point. I have a friend that has the exact same setup I do except, he has an LSA of 114. His idle sounds like it is stock smooth.
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Old Oct 28, 2013 | 02:06 AM
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update.... I decided to pass on that cam because it probably wasn't what I was looking for. I have recently narrowed down to two cams, Brain Tooley's stage III and stage IV cams. http://www.briantooleyracing.com/nat...-camshaft.html
http://www.briantooleyracing.com/nat...-camshaft.html

Now I understand with the stage IV I'm walking a fine line of messing up my driveability and that definitely worries me. Also what would be some other drawbacks of running a bigger cam? I heard something about the vac messing with cruise control when running a bigger cam? I love cruise control, I can't have that lol. I'm just happy I've narrowed it down finally, this process has been harder than expected but I don't want to hate my car lol.
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Old Oct 28, 2013 | 04:20 PM
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I wouldn't go above the Stg.3. Of course, you'll need to upgrade springs, and preferably pushrods, too. Might be cheaper to buy finished CNC 243s, with everything done. Tooley's the man for that, too. If you run 93 oct. then 11.25:1 is not a problem, assuming a good tune. Injectors, oil pump, clutch, etc...
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Old Oct 28, 2013 | 04:38 PM
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Originally Posted by zeevette
I wouldn't go above the Stg.3. Of course, you'll need to upgrade springs, and preferably pushrods, too. Might be cheaper to buy finished CNC 243s, with everything done. Tooley's the man for that, too. If you run 93 oct. then 11.25:1 is not a problem, assuming a good tune. Injectors, oil pump, clutch, etc...
ask standard mods for a cam install will be done. I just don't know about how much less power the stage 3 will probably make.
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Old Oct 28, 2013 | 05:24 PM
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Originally Posted by IfastR
ask standard mods for a cam install will be done. I just don't know about how much less power the stage 3 will probably make.
It'll have a couple of extra HP in a very narrow band, at the top of the rev range, and less under the curve.
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