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Deciding to comence modding my 3400...
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dylanwalsh
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PostPosted: Sat Dec 29, 2012 12:55 am    Post subject: Hehehe ! Deciding to comence modding my 3400... Reply with quote

but where do i start? Wink HD?

im good at figuring stuff out and im working on my engineering degree atm... so i think i can figure out how to do anything i need to. just need some guidance :]
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IffyG
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PostPosted: Sat Dec 29, 2012 1:24 am    Post subject:   Reply with quote

Start by purchasing one of these: http://www.ebay.com/itm/2000-C.....mp;vxp=mtr

It's a wealth of information and will be able to get you out of any bind you might find yourself in.

If you intend on messing with the engine, be sure to invest in some decent torque wrenches (IE... not from Harbor Freight). Nothing is worse than snapping a bolt off on the engine.

In addition, give the car a thorough inspection. Address any issues that are present now (if you post up your mileage and location I can give you some more concrete advise).

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outonthetiles
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PostPosted: Sat Dec 29, 2012 10:44 am    Post subject:   Reply with quote

x2 on the proper GM service manual. The type in Iffy's link, not the ones you get at autozone..

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barnettimpala
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PostPosted: Sat Dec 29, 2012 1:38 pm    Post subject:   Reply with quote

x3 on the service manual. And torque wrench is a good suggestion. What exactly do you mean by decided to mod it. Are you talking full on build down to the pistons, or just ported manifolds and up? The basic first mods for most are an air intake (home-made ftw), exhaust, tuned pcm, thermostat, then you get into throttle body, upper and lower intake, heads, cam, etc. If you haven't done a basic tune up of fuel filter, plugs and wires, change fluids including trans, then I would do that before anything else

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PostPosted: Sat Dec 29, 2012 3:02 pm    Post subject:   Reply with quote

barnettimpala wrote:
x3 on the service manual. And torque wrench is a good suggestion. What exactly do you mean by decided to mod it. Are you talking full on build down to the pistons, or just ported manifolds and up? The basic first mods for most are an air intake (home-made ftw), exhaust, tuned pcm, thermostat, then you get into throttle body, upper and lower intake, heads, cam, etc. If you haven't done a basic tune up of fuel filter, plugs and wires, change fluids including trans, then I would do that before anything else


of course i have the manual... and i have access to basically any tool you can think of intake is already done still shopping all my exhaust components
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SuperImpala00
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PostPosted: Sat Dec 29, 2012 4:27 pm    Post subject:   Reply with quote

dylanwalsh wrote:
barnettimpala wrote:
x3 on the service manual. And torque wrench is a good suggestion. What exactly do you mean by decided to mod it. Are you talking full on build down to the pistons, or just ported manifolds and up? The basic first mods for most are an air intake (home-made ftw), exhaust, tuned pcm, thermostat, then you get into throttle body, upper and lower intake, heads, cam, etc. If you haven't done a basic tune up of fuel filter, plugs and wires, change fluids including trans, then I would do that before anything else


of course i have the manual... and i have access to basically any tool you can think of intake is already done still shopping all my exhaust components


Sounds like a good start, remember what you do to it power wise you have to upgrade the brakes and suspension to handle that power. If you really want to push the limits nitrous is something that can definitely help out provided that you match the horsepower to what the engine can handle.
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PostPosted: Sat Dec 29, 2012 4:43 pm    Post subject:   Reply with quote

SuperImpala00 wrote:
dylanwalsh wrote:
barnettimpala wrote:
x3 on the service manual. And torque wrench is a good suggestion. What exactly do you mean by decided to mod it. Are you talking full on build down to the pistons, or just ported manifolds and up? The basic first mods for most are an air intake (home-made ftw), exhaust, tuned pcm, thermostat, then you get into throttle body, upper and lower intake, heads, cam, etc. If you haven't done a basic tune up of fuel filter, plugs and wires, change fluids including trans, then I would do that before anything else


of course i have the manual... and i have access to basically any tool you can think of intake is already done still shopping all my exhaust components


Sounds like a good start, remember what you do to it power wise you have to upgrade the brakes and suspension to handle that power. If you really want to push the limits nitrous is something that can definitely help out provided that you match the horsepower to what the engine can handle.


id like to stay away from nos... not my thing and imo sc > turbo so whats the best sc for a 3.4?
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PostPosted: Sat Dec 29, 2012 4:46 pm    Post subject:   Reply with quote

dylanwalsh wrote:
barnettimpala wrote:
x3 on the service manual. And torque wrench is a good suggestion. What exactly do you mean by decided to mod it. Are you talking full on build down to the pistons, or just ported manifolds and up? The basic first mods for most are an air intake (home-made ftw), exhaust, tuned pcm, thermostat, then you get into throttle body, upper and lower intake, heads, cam, etc. If you haven't done a basic tune up of fuel filter, plugs and wires, change fluids including trans, then I would do that before anything else


of course i have the manual... and i have access to basically any tool you can think of intake is already done still shopping all my exhaust components

Are you planning to go turbo? If so I'd do headers, 3" catless down pipe, 3" piping all the way back to 3" in/out race type muffler. If not turbo, I'd do headers, 2.5" down pipe, 2.5" all the way back and y into 2 mufflers. I have a 3400, 3800, and L67 and from my experience, your money would be better spend on an L67 swap. I only recommend that because what you would have into the swap you'd be way ahead of yourself with the same amount invested into the 3400

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PostPosted: Sat Dec 29, 2012 5:34 pm    Post subject:   Reply with quote

barnettimpala wrote:
dylanwalsh wrote:
barnettimpala wrote:
x3 on the service manual. And torque wrench is a good suggestion. What exactly do you mean by decided to mod it. Are you talking full on build down to the pistons, or just ported manifolds and up? The basic first mods for most are an air intake (home-made ftw), exhaust, tuned pcm, thermostat, then you get into throttle body, upper and lower intake, heads, cam, etc. If you haven't done a basic tune up of fuel filter, plugs and wires, change fluids including trans, then I would do that before anything else


of course i have the manual... and i have access to basically any tool you can think of intake is already done still shopping all my exhaust components

Are you planning to go turbo? If so I'd do headers, 3" catless down pipe, 3" piping all the way back to 3" in/out race type muffler. If not turbo, I'd do headers, 2.5" down pipe, 2.5" all the way back and y into 2 mufflers. I have a 3400, 3800, and L67 and from my experience, your money would be better spend on an L67 swap. I only recommend that because what you would have into the swap you'd be way ahead of yourself with the same amount invested into the 3400


i was thinking super charger if anything of the sort and l67 dont grow on trees around here.... also swapping an entire engine is alot harder then modding one you already have
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PostPosted: Sat Dec 29, 2012 6:05 pm    Post subject:   Reply with quote

Finding a supercharger for a 3400 is going to be harder than finding an l67. The supercharger kit alone won't get you to the stock performance of the l67 AND will cost more plus I remember people saying the kits available weren't very reliable. I'm not an l67 nut higher by any means, just trying to get you going fast cheaper and having a better platform with more aftermarket. Just my advice. You don't have to take it if you really are set on the 3400. But if you ever get even a 3800 in the future I'm sure you'll see it's not worth dumping money into the 3400

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PostPosted: Sat Dec 29, 2012 7:27 pm    Post subject:   Reply with quote

dylanwalsh' wrote:
so whats the best sc for a 3.4?


I don't think there is one available any more. There used to be a kit made for 3400 Grand Am's that could be modified to work with the W-body.

http://www.pfyc.com/GA3017.html

dylanwalsh wrote:
also swapping an entire engine is alot harder then modding one you already have


Unless the motor your a modding is going to end up being a custom job... which is what it will take to get a supercharger on the 3400.

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PostPosted: Sat Dec 29, 2012 9:57 pm    Post subject:   Reply with quote

They used to have one that looked like a roots type supercharger that mounted towards the front of the engine and had a rod and pulley that went all the way across the engine to the belt. The picture on that link looked different. But either way, it's going to be 100x harder to find a supercharged than an L67

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PostPosted: Sat Dec 29, 2012 11:31 pm    Post subject:   Reply with quote

barnettimpala wrote:
They used to have one that looked like a roots type supercharger that mounted towards the front of the engine and had a rod and pulley that went all the way across the engine to the belt. The picture on that link looked different. But either way, it's going to be 100x harder to find a supercharged than an L67


forget the supercharger. wouldn't a modded 3400 still be faster than most cars
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PostPosted: Sun Dec 30, 2012 1:54 am    Post subject:   Reply with quote

dylanwalsh wrote:
barnettimpala wrote:
They used to have one that looked like a roots type supercharger that mounted towards the front of the engine and had a rod and pulley that went all the way across the engine to the belt. The picture on that link looked different. But either way, it's going to be 100x harder to find a supercharged than an L67


forget the supercharger. wouldn't a modded 3400 still be faster than most cars


I think what you need is a Corvette Laughing.......seriously though, breaking 200 with a 3400 properly tuned and what not, it'll be fast for a heavy sedan. Beating boosted mustangs or full on muscle cars....yea won't even touch on that. Put it this way, if you want to beat on ricers and the like than yea it'll do that.
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PostPosted: Sun Dec 30, 2012 12:36 pm    Post subject:   Reply with quote

dylanwalsh wrote:

forget the supercharger. wouldn't a modded 3400 still be faster than most cars


Heck no. In fact, it will still be slower than most cars.

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