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

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Old Mar 14, 2005 | 10:26 AM
  #21  
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Originally Posted by Corvette0096
Last year the car would pick up 3 tenths by icing the intake down. Trick a stock eliminator buddy showed me. Then he was trying to get me to take out a quart of oil. Less windage on the crank.

The oil thing is no joke. EVERY pan I have measured, is about 2 quarts under its rated capacity. I would love to know how these guys "rate" their pans.

My milodon, "top of the line pan", is rated for 7 quarts. When off, the sump only holds 5 quarts then it starts to overflow the frontal area! I only run 5 quarts including the filter, so there is probably about 4 quarts in the sump when the motor is running and oil is circulating.

Corky and Jim measured Jim's - stock pan, only held 3 quarts before doing the above mentioned.

COrkys Moroso pan, 7 quarts, only holds 5 quarts as well.

Dads 555 CI pan, only held 5 quarts in the sump.

Anything more than what is in the sump is a waste and your crank WILL pick it up and sling it over everything, and it WILL slow you down. A LOT more than you think.

Corky one friends accidentally put in 1 quart too much one weekend and was ~.3sec off his dial. Car runs 10.8s and was only getting 11.1s. He feared that something was seriously wrong with the motor. They learned that the only thing he did from the last time out was change the oil. Drained a quart out, 10.8s.

I remember reading what the "volume" ratings were on a standard SBC pump somewhere. It take a while for them to pump through 4 quarts of oil. Remember you are only talking a clearance of a a few thousands around bearings etc. There is not a lot of area to carry the volume. Hence really no need to carry 7 quarts in the pan. Furthermore, if you pulled your pan and filled the sump area up, you will quickly learn your 7 quart pan - truely only carries 5 quarts efficiently.

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Old Mar 14, 2005 | 10:35 AM
  #22  
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Originally Posted by ski_dwn_it
Awesome times....

You running slicks or what on that car? With the ETs, I would think you have a bunch more in the 60' ft.

Let me know and I will have you check some things on the suspension and you will get even better 60s.

What stall and what gears in your combo?
Jesse.. Back to your tip on the suspension
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Old Mar 14, 2005 | 10:49 AM
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Rich, did you ask me a question?

Of course icing down the intake will help some.....but not 3 tenths....least not in my experience. And my engine seemed to like to be around 170-180 deg.......anything hotter or colder would slow it down.

The difference between our times is likey the DA. My best times were in negative DAs......what are your DAs? With the 350, it would stay in the 11s up to about 2800-3000 ft.
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Old Mar 14, 2005 | 11:16 AM
  #24  
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Originally Posted by ralph
Rich, did you ask me a question?



The difference between our times is likey the DA. My best times were in negative DAs......what are your DAs? With the 350, it would stay in the 11s up to about 2800-3000 ft.

Not sure of the DA that day. But we do get some good day, Not like in englishtown. Portland iternational raceway is the track that I race at. I think its about 500' above sea leval.
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Old Mar 14, 2005 | 07:58 PM
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TTT.. Jesse You have a PM.
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Old Mar 14, 2005 | 10:12 PM
  #26  
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Originally Posted by Nathan Plemons
Must be nice. I'd love a 1.6 60' time just once. The problem is I don't want to give up my 6-spd to do it. Guess it's just not gonna happen. Some day I'll build me a strictly drag strip car with an auto.
nathan, ran a 1.63 60' in an 89' 6-spd, pretty much stock motor, 12.35 1/4
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Old Mar 14, 2005 | 10:27 PM
  #27  
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Originally Posted by Sleazy Rider
nathan, ran a 1.63 60' in an 89' 6-spd, pretty much stock motor, 12.35 1/4
Wow! thats a hard launch for a stick. what where you trappin' at Rich? 110+mph???
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Old Mar 14, 2005 | 10:40 PM
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on that particular run, 108, with 4.09 gears and m&h dot's, but i have been running 109 & 110's.
you get the transmission? pm me, and give me some feedback on the shipper, they might be good for the forum. later
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Old Mar 14, 2005 | 11:45 PM
  #29  
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good job rich keep pluging away


keep up the good work!!
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Old Mar 15, 2005 | 11:09 AM
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Originally Posted by CORKVETTE1
good job rich keep pluging away


keep up the good work!!

Thanks Cork..
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