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Old 03-06-2007   #1 (permalink)
Nyt_Muves is offline Senior Member

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Default Just bought a 2002 Shortblock for building block

I just bought a 2002 GT Shortblock. Couldn't pass up the price. Now I am thinking instead of doing the PI swap on my 98 motor, I will just take my time and build this 02 from the ground up. Since I can build it any way I want to, I am thinking forged internals, then a blower setup. Where do I start?

What can I get out of this if I just build it Normally Aspirated, but build it with all the right stuff from the crank up?

Any thoughts? Trying to pick a direction here...
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Old 03-06-2007   #2 (permalink)
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Quote:
Originally Posted by Nyt_Muves View Post
I just bought a 2002 GT Shortblock. Couldn't pass up the price. Now I am thinking instead of doing the PI swap on my 98 motor, I will just take my time and build this 02 from the ground up. Since I can build it any way I want to, I am thinking forged internals, then a blower setup. Where do I start?

What can I get out of this if I just build it Normally Aspirated, but build it with all the right stuff from the crank up?

Any thoughts? Trying to pick a direction here...
With a 2V, you're not going to push more than ~340rwhp N/A on pump gas. That's staying with an iron block, stnd bore.
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Old 03-06-2007   #3 (permalink)
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Originally Posted by markwondi View Post
With a 2V, you're not going to push more than ~340rwhp N/A on pump gas. That's staying with an iron block, stnd bore.
Would that be something I could add forced induction to later, or would I build differently if I plan to add that later?

What type of internals would be required to get that 340 RWHP on pump gas?

What if I stroke and bore? What could I get to then N/A?

What would I use if I plan to blow or turbo?

Thanks
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Last edited by Nyt_Muves; 03-06-2007 at 02:01 AM. Reason: Spelling
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Old 03-06-2007   #4 (permalink)
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Quote:
Originally Posted by Nyt_Muves View Post
Would that be something I could add forced induction to later, or would I build differently if I plan to add that later?

What type of internals would be required to get that 340 RWHP on pump gas?

What if I stroke and bore? What could I get to then N/A?

What would I use if I plan to blow or turbo?

Thanks
You won't be able to put FI on it with high compression (which is needed for N/A applications).

You will want to build the engine around the way it's intended to be used. Ring gaps, valves used, etc are all going to be built around teh setup. FI cars will require different clearances and parts than an N/A car. It's up to you to decide first want you want.

You can not bore an iron block more than .030" It's also highly recommended that you don't go past .020" Boring a block is about gaining straight cylinders,it will not yield you power (not that small of a bore). An iron block can be wet-sleeved big bored, but it's high expensive, and you're much better off with a an aluminum block for that build.

First decide what you want, before buying parts. it's much cheaper that way. A cast crank can be built to last to high HP, and is much cheaper than a cobra steel crank. Each have their pro's and con's, and their limitations, it takes a good builder to know the differece.
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Old 03-06-2007   #5 (permalink)
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Quote:
Originally Posted by markwondi View Post
You won't be able to put FI on it with high compression (which is needed for N/A applications).

You will want to build the engine around the way it's intended to be used. Ring gaps, valves used, etc are all going to be built around teh setup. FI cars will require different clearances and parts than an N/A car. It's up to you to decide first want you want.

You can not bore an iron block more than .030" It's also highly recommended that you don't go past .020" Boring a block is about gaining straight cylinders,it will not yield you power (not that small of a bore). An iron block can be wet-sleeved big bored, but it's high expensive, and you're much better off with a an aluminum block for that build.

First decide what you want, before buying parts. it's much cheaper that way. A cast crank can be built to last to high HP, and is much cheaper than a cobra steel crank. Each have their pro's and con's, and their limitations, it takes a good builder to know the differece.
I want reliable. Its just a weekend toy. but i want more power than it has now. my fear with fi is just overall cost.
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Old 03-06-2007   #6 (permalink)
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Originally Posted by Nyt_Muves View Post
I want reliable. Its just a weekend toy. but i want more power than it has now. my fear with fi is just overall cost.
Well, you have to make the N/A/ FI choice first.
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Old 03-06-2007   #7 (permalink)
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Well, you have to make the N/A/ FI choice first.
lets say that I want to do one of each...

I could do the NA route with my 98 shortblock then build the FI version over time with the 02 shortblock taking my time and that way could absorb the higher cost while enjoying the car...

So I could start by gathering the parts for the NA motor, assembling in in the 98 shortblock. So far I have 2 sets of heads to play with, both PI heads. Have pretty much decided on the COMP cam you recomended in the other post, and porting the 99 heads for those cams to go in. Then picking out an intake, headers, and ripping the 98 motor down over the next month to have that assembled in the NA fassion.

How am I doing so far:?
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