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63 Chevy Truck Project Help

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Old Sep 22, 2009 | 03:57 PM
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Default 63 Chevy Truck Project Help

Greeting All LS Owners,

I have a 63 chevy truck and I want to go fuel injected. I wanted to do a supercharged LS2 but when I found out I would be out of close to 12k I had to rethink my inks. Here's what I have been considering:

Just doing a LS2 and dropping it in stock.

Building a LS1 to get some pretty good numbers

Building a LT1

I have never gone with a fuel injected setup and I have sooooo many questions about what to do and what to look out for. If anyone has any knowledge on this subject please please give me some insight thanks
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Old Sep 22, 2009 | 04:10 PM
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save cash and drop in a lq4.
but if really looking for serious hp
drop in a 5.3 and a mpt70, u can use a modified standalone harness and pcm.
can reuse truck intake manifold,tb, fuel rails. and plumb hot parts using stock exhaust manifolds.
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Old Sep 22, 2009 | 05:01 PM
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I am shooting to put around 500 - 550 to the ground - will that application still work for numbers like that?
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Old Sep 22, 2009 | 05:06 PM
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Put a carburater on it and you will have more hair on your head and more money in your pocket. I sure i`m glad i did and my carbed LS motor made more hp then the F.I. motors with the same specs. All i did was time it and jet it and i have not touched anything in 4 months i love it.
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Old Sep 22, 2009 | 05:09 PM
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I would go with a 408, just not sure what type of harness, etc you would use.
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Old Sep 22, 2009 | 05:20 PM
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to build a 408 what block would i start with...
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Old Sep 22, 2009 | 05:22 PM
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Originally Posted by 68lemans
Put a carburater on it and you will have more hair on your head and more money in your pocket. I sure i`m glad i did and my carbed LS motor made more hp then the F.I. motors with the same specs. All i did was time it and jet it and i have not touched anything in 4 months i love it.
I have a carbed motor..my chevelle. I wanted to get away from that because i believe the efi is more efficient. what size did you put on it?
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Old Sep 22, 2009 | 06:12 PM
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Originally Posted by 68lemans
Put a carburater on it and you will have more hair on your head and more money in your pocket. I sure i`m glad i did and my carbed LS motor made more hp then the F.I. motors with the same specs. All i did was time it and jet it and i have not touched anything in 4 months i love it.
i agree 100%
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Old Sep 22, 2009 | 06:16 PM
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Originally Posted by 71chevykid
I have a carbed motor..my chevelle. I wanted to get away from that because i believe the efi is more efficient. what size did you put on it?
efi is more efficient and gets better mpg, but requires lot more variables.
than carb motor.
for my track/street car, im building a carbed ls motor.
i own a stout efi car, but the $ cost lot more to get there than carb.
around 800$ just on injectors and calibration.
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Old Sep 22, 2009 | 08:00 PM
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Originally Posted by 71chevykid
I have a carbed motor..my chevelle. I wanted to get away from that because i believe the efi is more efficient. what size did you put on it?
My carb is a 4150 960cfm pro systems and its a hair on the small side for my 429ci ls7 motor. Its a hydrolic roller cam and pump gas going 9`s and is a daily driver.




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Old Sep 22, 2009 | 08:48 PM
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at night under some dim lightting u could fool people into thniking its a ford motor!
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Old Sep 22, 2009 | 09:36 PM
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Ya you should see people now........they are like what in the fuuu
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Old Sep 22, 2009 | 11:31 PM
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Yeah just tell them you had to borrow some guys valve covers because yours sprung a leak. That's a bad dude running 9's on pump gas daily driver!
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Old Sep 23, 2009 | 12:03 PM
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I know lots of people go carb'd cause it's easier and cheaper, I went efi cause I never got along with carbs. So I can understand wanting to get away from them.
I am thinking about building a older chevy truck soon (advanced design series) I was most likely going to go 5.3L with a turbo setup. You can supposedly get dropout 5.3l complete for around a grand, add a cam, turbo, etc. and you are doing pretty well. Supposedly the weight difference between the iron block 5.3 and the Al block 5.7 or 6.0 is around 80 lbs, and the hp difference isn't that great after some parts and tuning. You will have to find a tuner locally or get mail order tunes I guess. You could also get a tuner and learn yourself but that'd be a steep learning curve for someone not familiar with fuel injection.
The easiest option would be get a LS2 in there and then save up money for upgrades in the future.
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Old Sep 23, 2009 | 02:22 PM
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I want to put out more horsepower than my chevelle. I have a 454 ls6 motor in that car and I can pull an LS2.. I have heard that with a few mods the ls2 can do some pretty amazing things. Does anyone know of anyone who has built an LS2 and what kind of HP they have? Also with the EFI should i do an aftermarket ecm and harness or try and find the harness and ecm that come with the motor out of the car it was pulled from?
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Old Sep 23, 2009 | 02:27 PM
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[QUOTE=68lemans;12260857]My carb is a 4150 960cfm pro systems and its a hair on the small side for my 429ci ls7 motor. Its a hydrolic roller cam and pump gas going 9`s and is a daily driver.

Wicked
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Old Sep 25, 2009 | 12:33 PM
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[QUOTE=68lemans;12260857]My carb is a 4150 960cfm pro systems and its a hair on the small side for my 429ci ls7 motor. Its a hydrolic roller cam and pump gas going 9`s and is a daily driver.

Damn dude, that is a bad F'n FOX!! Crazy how much difference wheel and tire make on that car from street to strip!! What are the specs on that LS7?
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Old Sep 25, 2009 | 12:43 PM
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Pics of my carbed 5.3 finished last week.
Attached Thumbnails 63 Chevy Truck Project Help-5.3ls-2.jpg   63 Chevy Truck Project Help-5.3ls.jpg  
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Old Sep 25, 2009 | 03:54 PM
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I decided to go with an LS2....I have head with a few ecm mods you can unleash a few more horses anyone know about that?
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Old Sep 26, 2009 | 05:07 PM
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If you know how to use it, HP Tuner is probably the best software for LS computers. I've heard it's kind of confusing at first, but not too bad once you get the hang of it.
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