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I cant believe the power difference.

Old Mar 26, 2011 | 09:00 AM
  #21  
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Originally Posted by AndysC3
wow, I figured you wouldof been a little faster with the converter and cam. I went 14.78 with a da of 3500 with the boltons in my sig. What does your truck weigh in at?
I have no idea. I guess over 5K lbs. The tune in the truck is not dialed in yet. I am sure the truck will be faster in the 1/4 with more practice on my part and when the tune gets dialed in. I was in line to go again when the rain started. So three runs was all I could get in last night.
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Old Mar 26, 2011 | 09:50 AM
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yea, the tune can play a big part. Your truck does move pretty good. Get the take off nailed and you'll have 14s for sure.
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Old Mar 26, 2011 | 07:50 PM
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I am looking forward to it for sure!
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Old Mar 26, 2011 | 08:56 PM
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I ran a 14.15 @ 97 with mine. Lq4 221/226, and headers with 3:73's
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Old Mar 27, 2011 | 01:40 AM
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i ran 13.9 in fullly loaded extended cab with headers and a tune. bad weather. correced it was a 13.6

also no aftermarket for big blocks? since when? and if people started running smaller motor why did i see so many 800 plus cubic inch motors at the track couple weeks ago lol
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Old Mar 27, 2011 | 02:38 AM
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Those are some nice times Badasschevy.

There is an aftermarket for the big blocks, just not as big as the one for the small blocks.

800 CI? Damn that is a big monster! Biggest I heard of was 572. I need to get my Super Chevy subscription started again. I think the wife's Denali needs some more power! lol

Google search came up with this article:
http://www.popularhotrodding.com/tec..._comments.html

I am sure the market for that engine is not for the faint at heart. It would be badass in the truck though.

Last edited by Suddog; Mar 27, 2011 at 02:43 AM.
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Old Mar 27, 2011 | 02:50 AM
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Welcome to more horsepower!!!!
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Old Mar 27, 2011 | 08:01 AM
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Originally Posted by Suddog
I knew someone would bring this up... If you suck the air in 6 liters at a time or force 6 liters of air into a 4.8 you still have more displacement right? More air means more displacement right?

I think nobody builds big blocks anymore because there is not that big of a market to support the big blocks. Big blocks are few and far between in the automotive manufacturing industry. Trucks with the big blocks were a middle ground between the 6.0 and the diesel. The torque produced was not fuel efficient at all. With that much torque, why not just spend the extra 4 grand and buy the diesel and get better gas mileage and torque
The old adage of "there's not replacement for Displacement" was meant for the N/A muscle days of the 70's and 80's. The only time that adage still works is when your talking about low end torque in N/A engines, apart from that it doesn't really apply anymore. And I'm not sure your analogy of Boost being the same as displacement is relevant. By that logic a 2.0L I4 Honda engine is/can be the same as the an 8.1L viper V10 engine. Regardless of how much boost you put through a 2L you'll never get the low end torque of the V10.

Today there are many replacments for displacements, it just depends on what kinda power you wanna make. There are 2L boosted engines making more HP than the 800ci motors linked in this thread and there are also 2.5L N/A engines making ~ 1000hp. Displacement has it's place of course, but let's not make blanket statements.
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Old Mar 27, 2011 | 08:50 AM
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Spoolin
We need to get too deep but displacement has nothing directly to do with torque. The fact that big blocks have longer stroke is the big reason they have more torque. Is is indirectly related but you could have a big cube motor that doesn't make torque.

Again millions of factors come into play but the way I see the explanation:
Forced induction can nullify the advantage of displacement.

Obviously the bigger the motor whether N/A, boosted, or nitrous fed it will make more power. The bigger the base the more overall power hence the 800" motors.

Edit: As for the boost vs. displacement I would say in general it is correct because the amount of air and fuel if used fully directly relates to the power output.
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Old Mar 28, 2011 | 01:41 AM
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Good times, but 16.3 - 15.0x is more like 1.3 seconds, not 2 seconds.
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