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MS4 or MS3 cam with Dart 205 heads and bolt-ons?

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Old 08-03-2010, 04:57 PM
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Default MS4 or MS3 cam with Dart 205 heads and bolt-ons?

Well after doing a little research on cams and learning a bit more about them after my last thread, I decided not to go with the GT11 cam.
But rather to go with a MS3 or MS4. I'd rather not go through the hassle and whatnot of a custom ground cam.

First question
Will I have any ptv clearance issues with either cam and my Dart heads?
Second, is it worth it to for me to go up to the MS4 over the 3? How big of gains would I expect over each?

My mods are ported Dart 205 heads, 4k stall 373 gear. The rest are basic bolt-ons listed in my sig.

This is my first cam but I'm not new to cars, just my first N/A build.

I still Daily drive the car about 40 miles a day, but its highway so I'm not too worried about mpg.
Any idea what kind of numbers I would put down with this set-up. Thanks guys. I know its like beating a dead horse with the cam questions, just looking to be pointed in the right direction.
Old 08-04-2010, 12:21 AM
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BUmp. Any help/advice?
Old 08-04-2010, 09:04 AM
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May want to throw this in the Internal Engine Section or whatever it's called. Tons of cam guys in there and I'm sure they'd be able to help with head selection/questions.
Old 08-04-2010, 09:12 AM
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Id get the ms3 because they are awesome. The ms4 would be fun too
Old 08-04-2010, 01:11 PM
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I recently had a big cam car and it only lasted about 20,000 miles before the cam lobes were worn out.
Old 08-05-2010, 09:22 AM
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You can do better with the heads for less
Old 08-05-2010, 10:36 AM
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Originally Posted by jdiddyws6
You can do better with the heads for less
What do you mean by that?
Old 08-05-2010, 11:00 AM
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why do you want to get such a large cam ? People are making just as much, if not more power with a properly setup smaller cam.
Old 08-05-2010, 11:05 AM
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Ms3....
Old 08-05-2010, 11:32 AM
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Originally Posted by brians91formula
why do you want to get such a large cam ? People are making just as much, if not more power with a properly setup smaller cam.
The heads are ported to hell with great flow numbers. I'd like to make more power on my n/a setup and use a smaller n2o shot than the other way around.

Looking to put down at least 450 to the wheels through my auto with a stall.
Old 08-05-2010, 12:23 PM
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ok that makes sense....

My car made 402/378 on a low reading Mustang dyno with

Full exhaust, 227/233 112 cam, stock ls1 intake manifold.

I think 450+ is achievable through a stalled auto if you get a perfecty matched H/C/I combo.
Old 08-05-2010, 12:27 PM
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Originally Posted by shibby50
What do you mean by that?
Darts aren't all that great compared to what else is out there
Old 08-05-2010, 12:46 PM
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Originally Posted by jdiddyws6
Darts aren't all that great compared to what else is out there
I picked them up new in the box for a price I couldn't pass up. I'm close friends with someone who does great portwork on heads and the flow numbers didn't disappoint me. So far I haven't had any problems fitting the valvetrain on them either.
Old 08-05-2010, 12:48 PM
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Originally Posted by brians91formula
ok that makes sense....

My car made 402/378 on a low reading Mustang dyno with

Full exhaust, 227/233 112 cam, stock ls1 intake manifold.

I think 450+ is achievable through a stalled auto if you get a perfecty matched H/C/I combo.
I drive my car on the street way more than I track it, and it will very rarely see the spray on the street so I'd like to make the power to have all the time as opposed to low power with the big shot. If I can get anywhere around that 450 ballpark I'll be more than happy.
I was just more worried about having to fly-cut with a ms3 cam.
Old 08-05-2010, 01:13 PM
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if you want to optimize the combo to reach your goals without flycutting you should do youself a favor and get a custom grind

there is no hassle, you call you order you pay just like off the shelf...my comp cam was $320 IIRC and it is not an off the shelf grind
Old 08-05-2010, 09:41 PM
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Originally Posted by shibby50
I drive my car on the street way more than I track it, and it will very rarely see the spray on the street so I'd like to make the power to have all the time as opposed to low power with the big shot. If I can get anywhere around that 450 ballpark I'll be more than happy.
I was just more worried about having to fly-cut with a ms3 cam.

what you said is what a good majority of how people on this site drive their cars. no need for a custom cam when your car is just a fun little street car. the MS3 is a good proven cam. alot of people bash big cams but at the same time if your gonna spend the time/money installing a cam dont get conservative..cuz you will definitely go bigger.

i have never drove a cammed car. i have an auto with a 230 cam on a 112 and i tossed around the idea of the MS3. my car is just a fun street car. never gonna see the track, or try to be the fastest... MS3 is a proven cam. give TSP a call and asked them about those heads and the MS3.
Old 08-06-2010, 09:08 AM
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if you want a fun street car that makes big power a huge cam is not the answer

if you spec a combo instead of just throwing proven parts together you will have a car that is faster, stronger through the whole range, good to drive, and in the end will make you a LOT happier

a full weight street car with an automatic with a 4k stall and 3.73 and the ms4 or ms3 won't be a horrible combination...but it won't be as good as a light a4 with a 4400 stall, and 4.10s

with a custom spec cam you might lose 5-10hp up top (or you might make 5 more...) but you can choose your operating range and get a cam that is made to work there for more low end power, perfect torque curve, and still have brutal top end

my cam is basically a tr230, my biggest regret with the car is sticking in a "proven" cam instead of speccing one for my own goals
Old 08-06-2010, 09:15 AM
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The Dart heads can make some good power when ported. Spend the money and get a custom grind. The MS3,4 are not good for daily drivers, you'll be sorry. They make good top end power but are real lazy down low. I had the MS3 in a 383. I would not do it again.
Old 08-06-2010, 11:12 AM
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Originally Posted by 1lejohn
The Dart heads can make some good power when ported. Spend the money and get a custom grind. The MS3,4 are not good for daily drivers, you'll be sorry. They make good top end power but are real lazy down low. I had the MS3 in a 383. I would not do it again.
They don't make good power at 4k rpm?
Old 08-06-2010, 12:07 PM
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Originally Posted by shibby50
They don't make good power at 4k rpm?
Certainly!!! At 4000 rpm a MS4 will pull you around like a freight train.


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