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First time ever on a dyno

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Old 06-06-2011, 04:24 PM
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Default First time ever on a dyno

There was a "dyno day" in Anchorage on Saturday, so I decided to do it. Anyways, made 3 pulls, here's the vids. He doesn't have a printer, so he's going to e-mail me the graphs. I don't have them yet, but I'll post them up after I get them. IIRC, it made 425rwhp/428rwtq. I need a smaller pulley & bigger injectors.... All in all, it was a pretty fun day.

First pull was in 2nd gear. Check out how the Cal-Tracs lift the rear of the truck.

http://www.youtube.com/watch?v=lTVw5047koI

Second & third pulls were in 3rd gear.

http://www.youtube.com/watch?v=8y-Wd...eature=related

http://www.youtube.com/watch?v=WLkJK...eature=related
Old 06-06-2011, 04:37 PM
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Where do i start,

The truck looks awesome, so damn clean , specially for the beautiful weather you have up there!

Good numbers bud, Id say they are pretty damn stout, specially with the ET's you run.

Sounds damn good too.

Very cool how the truck wanted to launch when the hammer was down!

So did you do any tune tweaking while on the dyno??

Cool Deal Rodger, thanks for sharing, i enjoy these kind of vids.
Old 06-06-2011, 05:27 PM
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Truck looks great and sounds mean! Great numbers Roger!
Old 06-06-2011, 07:11 PM
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Apparently, my truck was the loudest vehicle of the day...

It was a "no tuning on the dyno" day, there were too many vehicles waiting. I added 5 gallons of Trick 114 to the tank that morning, to verify that my previous KR was caused by crappy fuel. There was no KR on the dyno, and my timing was at 16 degrees(WOT). I wanted to remove 8 degrees and run it again to measure power loss(as mentioned in my other thread), and then add some timing above 16 degrees also, but I couldn't.

They did offer to sell me some dyno time for tuning, on another day.
Old 06-06-2011, 07:55 PM
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What size pulley are you running? How many #s are u seeing aftr the headers and exhaust?
Old 06-06-2011, 08:04 PM
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Pretty decent numbers, truck sounds great...
Old 06-06-2011, 08:15 PM
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Originally Posted by pewterliftedz
What size pulley are you running? How many #s are u seeing aftr the headers and exhaust?

3.0 pulley, and 8 psi.


Originally Posted by Mangled03gmc
Pretty decent numbers, truck sounds great...

Thanks John! I was expecting 450-ish, and a higher tq number, but oh well.
Old 06-06-2011, 10:00 PM
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Damn one of the best lookin ex cabs ive seen. Nice pull once we get smaller pulley and tuned were gonna get some pulls in to see where werre at also. Identical setup as u. Jus few diff things
Old 06-06-2011, 10:45 PM
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nice numbers. Are you still on the stock air box? How about the 78mm tba and j_tube?
Sorry about the typos , using my phone.
Old 06-06-2011, 10:57 PM
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Stock airbox, but the bottom is cut open & has a K&N drop-in. Also still rocking the stock 78mm throttle body & J-tube.


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