C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

scorp508, I need you....

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Old Sep 20, 2002 | 06:25 AM
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Default scorp508, I need you....

...to answer this question.

How whas your old superram setup on the highway? 60-140mph pulls? And when did it stop pulling, at what speed 150/160? I just need som inspiration during my topend rebuild.


Thanks for your time.. :)

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Old Sep 20, 2002 | 09:08 AM
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80mph to 110mph takes 5 seconds, 70mph to 140mph took 1/2 a mile to complete. I never found where it stopped pulling as I either ran out of room or came up on traffic. 168 was the highest I could get it before having to let off and it was still clicking off MPH.
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Old Sep 20, 2002 | 11:28 AM
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Default Re: (scorp508)

168 was the highest I could get it before having to let off and it was still clicking off MPH.
That is a little nuts. :crazy:
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Old Sep 20, 2002 | 11:46 AM
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Default Re: scorp508, I need you.... (devilfish)

168 was the highest I could get it before having to let off and it was still clicking off MPH.
Scorp508 you are one brave dude........

Jay




[Modified by MrJay, 9:46 AM 9/20/2002]
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Old Sep 20, 2002 | 11:48 AM
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Scorp508 you are one brave dude........
No, just young and stupid. :) Seriously though the car was still clicking them off at a good pace. It was turning 'em about the same rate that a stock L98 turns them in the 120s. If I had to guess I would say top end would of been around low 180s.
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Old Sep 20, 2002 | 01:27 PM
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Default SR Flat Pull

Not to take the spotlight off you Scorp....

LPE quoted my combo's top speed at 192. So you're right on the money.

The SR-219 combo does have a pull from hell. Just feathering the gas, you use the torque to get to triple digits in no time!! :crazy: :eek:
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Old Sep 20, 2002 | 02:12 PM
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Default Re: SR Flat Pull (JD 90 383)

niiice numbers scorp!

How did the car feel in that speed?
You think a miniram setup would be even faster 80-140 etc. Due to the intake design?

Regards
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Old Sep 20, 2002 | 02:22 PM
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How did the car feel in that speed?
Umm... loud?

You think a miniram setup would be even faster 80-140 etc. Due to the intake design?
Doubt it. The car is going to pull however it wants to. Power is power, the car will pull the same strength, just at a different RPM if the values are equal. HP is calculated as torque over time. To me that means if a car is making 300hp at 3000RPM, it is a stronger engine than one at 6000 RPM making the same HP. It is taking you twice as many revolutions to make the same power. Maybe I'm completely wrong, I'm sure someone will tell me if I am.

I shift at 6000 to drop me back into the powerband so that I'm never putting less than 300hp to the wheels on a top end run. Shifting there puts me right at peak torque in the next gear also. I rely on the torque to push the car hard and then when the torque starts to fall the HP has come up to peak value to KEEP the car moving hard.
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Old Sep 20, 2002 | 06:47 PM
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Default Re: (scorp508)

I mean is the car sstarting to be "light" at that speeds?

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Old Sep 21, 2002 | 05:12 PM
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Default Re: (devilfish)

Right, were you getting a funny feeling that the front of the car wasn't firmly attached? I've only been up to 132, and the car felt very strange at that speed.
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