GMT 800 & Older GM General Discussion 2006 & Older Trucks | General Discussion

In-Truck Video: 13.1 at 105

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Old Dec 28, 2004 | 08:03 PM
  #11  
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Originally Posted by rcfast
Do you have a cam in there also?? and what shot are you running?
Yes, 219/228 .525 .525 112LSA aka hotcam

125 shot, rich on the fuel side.
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Old Dec 28, 2004 | 08:41 PM
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Sweet run, Deckhand! I love the way it gets that shot in the pants when you poor the spray to it! You're making it harder and harder for me to hold off on the juice!!
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Old Dec 28, 2004 | 10:16 PM
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At 105 you should be in the solid 12's! I'm glad to see everything is working out for you. I want to spray with my cam soooo bad, but I just can't bring myself to pull my nitrous off my car. Give that 4.8 hell! Get some damned slicks too!
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Old Dec 29, 2004 | 12:27 AM
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Raise your shift points!! Sounds like your shifting at about 6000. I's shift it about 6600, if your ballsy, go for 6800.

My rev limiter's set at 6800, shift points at 6500. Doing a burnout, I will slam the rev limiters HARD. I've been shifting at 6500 for some time now.

The 4.8 should rev higher, safer since it's lighter too. Get some rod bolts in there and let it shift where it wants to, 6800, 7000, wherever, just be sure to have some good springs and pushrods.
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Old Dec 29, 2004 | 12:59 AM
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I bet the higher shift points would help out a lot
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Old Dec 29, 2004 | 01:01 AM
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dude your truck is awesome , ha that poor mustang at the end didnt have a chance , looksmlike im gonna ghet nitrous, oh and did you get a tune or what are you running to get over 100 mph?
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Old Dec 29, 2004 | 01:13 AM
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Great Videos!

I love to see folks running times like these in 4.8's.

Also who makes the cam you've got?
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Old Dec 29, 2004 | 07:39 AM
  #18  
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Originally Posted by Deckhand
I just stabbed a 3-legged tripod between the seats, right behind the bench seat. Two of the legs extend out of the sides, and the 3rd leg of the tripod just extends towards the back of the cab.

I just tried it and it happened to work.
I wonder if that would work in an extended cab?

Nice runs by the way!
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Old Dec 29, 2004 | 08:14 AM
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Originally Posted by 4.8PWR
Great Videos!

I love to see folks running times like these in 4.8's.

Also who makes the cam you've got?
It's a GM cam.
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Old Dec 29, 2004 | 09:32 AM
  #20  
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those were some nice passes..motor sounds great...
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