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Need help with mod list

Old Sep 12, 2015 | 09:07 AM
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Default Need help with mod list

Ok I have a 2007 m6 z51 ls2. I'm about to start building just don't have the complete knowledge I need. I'm not a mechanic but have been doing weeks of research and came up with this.
1. American racing longtube headers with exhaust.
2. Vararam intake.
3. F.A.S.T intake manifold with 102mm throttle body.
4. I'm looking for a great cam but can't find one for the build I want suggestions would be very helpful.
5. Thinking about heads and head gaskets as well not sure about heads and gaskets either.
So basically I need suggestions on cams and heads with gaskets the eventual build is procharger to hit 700-750rwhp. Also is there anything else I'm missing do I need bigger injectors as well and yes when I install all of it a tune is a must.
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Old Sep 12, 2015 | 02:30 PM
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I'd leave the heads alone if you're going with a procharger. Likewise, the more certain you are of going FI, I'd go with a mild to medium cam for FI.
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Old Sep 12, 2015 | 03:56 PM
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Skip 2, 3, 4, and 5. Get yourself the alky control meth injection, the ECS fuel upgrade, and their SC kit. That will get you over 700rwhp.
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Old Sep 12, 2015 | 04:09 PM
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Originally Posted by MARSC6
Skip 2, 3, 4, and 5. Get yourself the alky control meth injection, the ECS fuel upgrade, and their SC kit. That will get you over 700rwhp.
Agree. No reason to bother with 2/3/4/5 with a SC.. and some have negatives in fact
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Old Sep 12, 2015 | 04:29 PM
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Originally Posted by schpenxel
Agree. No reason to bother with 2/3/4/5 with a SC.. and some have negatives in fact
Can you elaborate on the negatives? Seems like that would be a lot of horsepower for the stock engine. The build is so that when I procharge the engine can safely put down 700-750 reliably.
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Old Sep 12, 2015 | 05:05 PM
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2. Vararam intake.
3. F.A.S.T intake manifold with 102mm throttle body.
4. I'm looking for a great cam but can't find one for the build I want suggestions would be very helpful.
5. Thinking about heads and head gaskets as well not sure about heads and gaskets either.
2 - Won't do you any good once supercharged
3 - FAST intakes have been known to fall apart and leak horribly under boost. Plenty of the 1000rwhp builds around here use the stock intake. Don't waste your money
3b - Again, simply not needed, and it adds another possible issue. Lots of issues with non-stock throttle bodies being blown shut under boost, sending the car into reduced power mode. And.. plenty of 1000rwhp guys running the stock one. Save the money for something else
4 - "great" cam is so subjective that no one can help you without more direction. I would consider putting in a blower cam, BTR springs/push rods and calling it good. No need for anything too big with a blower.
5 - Not really necessary with a blower. Again, money is better spent elsewhere

ECS has been doing this reliably for years. To make 700rwhp on a stock engine:

-Long tubes
-Alky control meth
-Their base SC kit
-Blower cam/springs/push rods

That's it. Obviously pushing 700rwhp out of a stock bottom end will always have risks..

Last edited by schpenxel; Sep 12, 2015 at 05:14 PM.
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Old Sep 12, 2015 | 05:12 PM
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Stock cam will still be enough for 700.
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Old Sep 12, 2015 | 05:13 PM
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That too.
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Old Sep 12, 2015 | 05:46 PM
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I guess I'm just a bit sketched out on the reliability of meth injection seems to me to be the same thing as putting it on a 100 shot bottle.
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Old Sep 12, 2015 | 05:47 PM
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Not doubting ECS stuff looks like great parts just not sure on the meth thing
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Old Sep 12, 2015 | 05:56 PM
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Not even close to the same thing, and it can be setup so if meth isn't spraying then timing is pulled like crazy, which will keep it safe regardless. Very common setup.

I know what you're saying.. I said the same at first but eventually came to accept it. I don't recall any failures in alky control systems in a long time

I'm going to replace the pump on mine once a year just to keep it fresh.

And you can always do something like dash logic and setup alerts if it goes lean if you want to keep an eye on things

If you really want 700rwhp meth is the safest way to do it. There's just not enough octane in pump gas to avoid knock otherwise.

Last edited by schpenxel; Sep 12, 2015 at 05:59 PM.
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Old Sep 12, 2015 | 08:09 PM
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Originally Posted by schpenxel
Not even close to the same thing, and it can be setup so if meth isn't spraying then timing is pulled like crazy, which will keep it safe regardless. Very common setup.

I know what you're saying.. I said the same at first but eventually came to accept it. I don't recall any failures in alky control systems in a long time

I'm going to replace the pump on mine once a year just to keep it fresh.

And you can always do something like dash logic and setup alerts if it goes lean if you want to keep an eye on things

If you really want 700rwhp meth is the safest way to do it. There's just not enough octane in pump gas to avoid knock otherwise.
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Old Sep 14, 2015 | 10:37 AM
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so the "weeks" of research did absolutely nothing? your here asking what should I do and what should I get and then when someone tells you, you want them to tell you exactly what you'll get out of that combo. and then you want to argue the finer points after saying you know nothing? oh brother!
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Old Sep 14, 2015 | 11:43 AM
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Originally Posted by schpenxel
2 - Won't do you any good once supercharged
3 - FAST intakes have been known to fall apart and leak horribly under boost. Plenty of the 1000rwhp builds around here use the stock intake. Don't waste your money
3b - Again, simply not needed, and it adds another possible issue. Lots of issues with non-stock throttle bodies being blown shut under boost, sending the car into reduced power mode. And.. plenty of 1000rwhp guys running the stock one. Save the money for something else
4 - "great" cam is so subjective that no one can help you without more direction. I would consider putting in a blower cam, BTR springs/push rods and calling it good. No need for anything too big with a blower.
5 - Not really necessary with a blower. Again, money is better spent elsewhere

ECS has been doing this reliably for years. To make 700rwhp on a stock engine:

-Long tubes
-Alky control meth
-Their base SC kit
-Blower cam/springs/push rods

That's it. Obviously pushing 700rwhp out of a stock bottom end will always have risks..
This is a great post. Dead on.

Originally Posted by CMY SIX
so the "weeks" of research did absolutely nothing? your here asking what should I do and what should I get and then when someone tells you, you want them to tell you exactly what you'll get out of that combo. and then you want to argue the finer points after saying you know nothing? oh brother!
Have to admit...this post has some validity as well.
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Old Sep 14, 2015 | 11:59 AM
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It kinda looks like you're confused on the direction you want to go. NA or FI.

The real question to be asked is: What do you intend to do with the car and why is the 700-750 HP important?

You didn't include any supporting mods in other areas which were designed for half as much power. It all has to work together to work well.
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