LT1-LT4 Modifications 1993-97 Gen II Small Block V8

SBC or LT1 that is the question.

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Old Jan 26, 2003 | 08:50 AM
  #1  
Nick D'Agostino's Avatar
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Default SBC or LT1 that is the question.

I am giving thought to getting rid of my LT1 and moving onto a SBC.

The SBC has way more technology dumped into it than the LT1 for sure. Plus a lot of the parts are transferable from the 350 to the 400. So when you decide you need more punch you aren't starting all over again.

I know there will come a point that I want to run into the 8's with this car and that will be far easier with a SBC than the LT1. So I may just have a ARE 396 for sale pretty soon here. OF course I want to tear it down and go through it first.

Who knows... any thoughts???
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Old Jan 26, 2003 | 10:15 AM
  #2  
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Default Re: SBC or LT1 that is the question.

I think you should keep the Lt1. Dont enough people have the setup your wanting anyway?. Not that there are alot of 396 stroked lt1's but i say keep the Lt1. <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />
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Old Jan 26, 2003 | 10:35 AM
  #3  
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Default Re: SBC or LT1 that is the question.

go sbc for all out power. it'll be cheaper and you'll have a lot more resources for parts. i'm planning on going that route soon too.
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Old Jan 26, 2003 | 10:24 PM
  #4  
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Default Re: SBC or LT1 that is the question.

Thats what I'm saying cenman. I have looked into it, and I can make a lot more damage with the SBC than the LT1. Plus it will be more cost effective to do so.

Its not like there is a $10,000 prize waiting for the person who has the fastest LT1. Just ask George Baxter.
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Old Jan 26, 2003 | 10:48 PM
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Default Re: SBC or LT1 that is the question.

No doubt the SBC will get you more power and for less money than it would take to trick out an LT1/4. The SBC has crossed my mind many times...I may even do it myself. SBC (non-LT1) has WAY more (and proven) potential.

Jason
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Old Jan 29, 2003 | 03:56 PM
  #6  
George 30th Aniv SS Conv's Avatar
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Default Re: SBC or LT1 that is the question.

Nick
It depends what you want to do?

If you do it right, the LT1 block is good for about 1100hp. In a 3200lb car, I don't see any problems running 8.8's at 155+.
If someone wanted to make a race series that you could only run an LT1 or a "STOCK" block LS1, you could have fun and keep the price down.

If your looking to play with the Big Boys, you have no choice but to go with the SBC. No way that you can make up for the heads that are available for the SBC.
BTW Expect to see at least one of the guys building a Stock Suspended, Small Block, Small Tire 4th Gen to be running 8.5 at 165mph this year.
Maybe even faster?? <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />

Good Luck which ever way you go.

George
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Old Jan 29, 2003 | 05:43 PM
  #7  
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Default Re: SBC or LT1 that is the question.

Are you gonna go with a carb or a fuel injection setup?

What kind of block and heads have you thought about using?

I thought about of doin that a few years ago a 434ci bowtie motor sure sounds nice, maybe 18 degree heads, a converted 18 degree manifold for EFI use. the only problem is the clearence issues with the cowl I didnt want to cut up the engine compartment.

This is a very interesting subject so keep it goin despite the negetive comments you might get.

Hey i might even have a AFR headed 355 LT1 for sale too!!!!
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Old Jan 31, 2003 | 06:33 PM
  #8  
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Default Re: SBC or LT1 that is the question.

The line between a Gen1 SBC and Gen2 LT1 is very thin. <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />

<img src="http://www.lt4-396.com/Intake/Engine1.jpg" alt=" - " />

<img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />
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Old Feb 1, 2003 | 02:37 AM
  #9  
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Default Re: SBC or LT1 that is the question.

Thanks Kurt!!!!

Your getting the cleaning bill for the pants I'm wearing <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />

Thats a piece of work there.

I just started working at Diamond Racing Products (aka Diamond Pistons). So I will be pooling the local resources all during 2003 to come up with some DART headed freak of my own. <img border="0" alt="[angel]" title="" src="graemlins/gr_angel.gif" />
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Old Feb 1, 2003 | 08:39 AM
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Default Re: SBC or LT1 that is the question.

I hope ya meant dart block instead of dart headed.
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Old Feb 1, 2003 | 10:40 AM
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Default Re: SBC or LT1 that is the question.

KTamez, thats a bada** setup!

Whats the lowdown on that engine?

Any more info or pics?
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Old Feb 1, 2003 | 03:34 PM
  #12  
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Default Re: SBC or LT1 that is the question.

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by The Big Show:
<strong> I hope ya meant dart block instead of dart headed. </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">No I meant DART heads. Whats wrong with them in your opinion???
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Old Feb 1, 2003 | 08:46 PM
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Default Re: SBC or LT1 that is the question.

Nothing wrong with them but with the variety of castings they would not be on the top of my list.
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Old Feb 1, 2003 | 09:14 PM
  #14  
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Default Re: SBC or LT1 that is the question.

I deal with DART on an almost daily basis, so considering what I can get them for they are a good move.

Plus, they make very good stuff. Sure there are Brodix and others out there like them, but when it comes to SBC stuff your only limit is your wallet.

I only want to run mid-low 9's with the car so these heads will work just fine for my application.
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Old Feb 1, 2003 | 10:22 PM
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Default Re: SBC or LT1 that is the question.

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif"> The line between a Gen1 SBC and Gen2 LT1 is very thin. </font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Unfortunately a 200+ HP line <img border="0" title="" alt="[Frown]" src="gr_sad.gif" />

George
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Old Feb 2, 2003 | 07:55 AM
  #16  
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Default Re: SBC or LT1 that is the question.

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif"> The line between a Gen1 SBC and Gen2 LT1 is very thin. </font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Unfortunately a 200+ HP line <img border="0" title="" alt="[Frown]" src="gr_sad.gif" />

George [/QB][/QUOTE]

Hell thats enough of a line for me swap over. HOW BOUT YOU BOYS? <img border="0" title="" alt="[Razz]" src="gr_images/icons/tongue.gif" />

<small>[ February 02, 2003, 07:56 AM: Message edited by: Nick D'Agostino ]</small>
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Old Feb 3, 2003 | 01:32 AM
  #17  
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Default Re: SBC or LT1 that is the question.

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by George 30th Aniv SS Conv:
<strong> </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif"> The line between a Gen1 SBC and Gen2 LT1 is very thin. </font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Unfortunately a 200+ HP line <img border="0" title="" alt="[Frown]" src="gr_sad.gif" />

George </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">*Shrug* When you're right you're right. Only thing is I'd hardly call it a 200hp difference. The day I switch to a standard SBC (not that far away), I won't be looking for only 200hp. <img border="0" alt="[evil]" title="" src="graemlins/gr_devil.gif" /> (I'll probably move up a class or maybe two, course that'll be the same time as a nice backhalf is done.) Realizing you've got some class rules restricting you (Most noteably the YS Trim holding you back), but I know you realize theres alot more to be had from a good Dart/Brodix/CN/Motown/Bowtie/Rodeck/Donovon Block. <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />

Nick, JMO, but if all you want to do is mid-Low 9s, I don't foresee the Block or even the heads being the issue. George has proven what 11xxfwhp can do, in a fat pig of a car w/o really going after the ETs IMO (No wheelie bars, and no Transbrake). What do you think 1k+ can do in my 3100ish pound no holds barred ride? <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" /> As for the Dart heads? I really like Maskin's products. I honestly think theres alot better stuff to be had out there though. For the average Joe you absolutely can't beat a set of Ported Dart Pro 1s. they just plain kickbutt for a standard port 23* head. In a race motor though? I think there are many better choices.

saywhenn94, Thanx for the compliment! I'll post more detailed info here in the near future. I have some surprises for alot of people, and so long as I can keep the pistons in the thing, it'll make for some interesting conversations by mid season. <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />

<small>[ February 03, 2003, 01:36 AM: Message edited by: KTamez ]</small>
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Old Feb 4, 2003 | 03:20 PM
  #18  
George 30th Aniv SS Conv's Avatar
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Default Re: SBC or LT1 that is the question.

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif"> George has proven what 11xxfwhp can do, in a fat pig of a car w/o really going after the ETs IMO (No wheelie bars, and no Transbrake). What do you think 1k+ can do in my 3100ish pound no holds barred ride? </font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">We're building one very similar to yours right now.
3200lbs lt1 nitrous
The major diference is that we're going to try and run the LT4 intake?
I expect the car with no wheelie bars and a 28x10.5 tire to run 8.7 / 8.8 <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />

George
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Old Feb 5, 2003 | 03:04 AM
  #19  
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Default Re: SBC or LT1 that is the question.

I agree there are any heads out there better than DART Pro 1's.

I am just trying to get this motor together to go racing this year, and I got a hell of a deal on the heads.

Any of you guys know where a guy can score a motor plate for a SBC in an LT1 car? Madman's won't work.
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Old Feb 5, 2003 | 04:41 PM
  #20  
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Default Re: SBC or LT1 that is the question.

you can just buy a generic SBC motorplate and cut it to fit.

when you consider adapting Gen 1 heads to work on the LT1, the HP differences really go away other than the potential for a little more displacement on aftermarket block Gen 1 motors, which can help power output.

i have a good set of SB2.2 heads from a cup car sitting around now that i will use on my car next year. havent decided for myself yet if i will adapt them to my 396LT1, or build a 427-434ci aftermarket block SBC.
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