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LM7 Thumpr cam walk around Video

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Old 04-11-2013, 08:08 AM
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Default LM7 Thumpr cam walk around Video

Well I finally got the oil pan gasket replaced and made a quick video. The truck is still running rich and is running on the pill 6 tune with the MSD box. I will be getting it in for a dyno tune in the next couple of weeks. Not sure why the video glitches a bit, possibly because I uploaded it from my phone to youtube through my WiFi.

Old 04-11-2013, 07:07 PM
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Gonna try to get a burn out video next.
Old 04-12-2013, 02:27 AM
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TRUCK!!!lol awesome... sounds good!!
Old 04-15-2013, 08:44 PM
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THAT....sounds amazing! Love that it's coming from a truck like that too!
Old 04-15-2013, 08:53 PM
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That sounds awesome! How much power are you putting down? Nice sleeper
Old 04-16-2013, 10:03 AM
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Not sure, from other similar builds i have seen from 400-450hp and 350-380rwhp. It pulls hard and will get sideways at 40mph easily. I am getting it dyno'd in 2 to 3 weeks and will post a video/graph then.
Old 04-16-2013, 01:57 PM
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I bet that thing just roasts those tires lol! awesome that you can throw any dime a dozen wheels and tires on there!

how much would you say the motor cost to build? I want to do a similar route with my Sonoma
Old 04-16-2013, 02:50 PM
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Originally Posted by Ellsworth
I bet that thing just roasts those tires lol! awesome that you can throw any dime a dozen wheels and tires on there!

how much would you say the motor cost to build? I want to do a similar route with my Sonoma
I have to get some more used tires to get the burn outs out of my system. after that it will be time for some black boss 338's and some drag radials. I would say I have around $3,000 into the engine. About $5,00 into the entire swap.
Old 04-21-2013, 08:11 PM
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sounds awesome, LS6 spirngs though? whats the cam specs?
Old 04-21-2013, 10:14 PM
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Comp Cams#249-54-600-11
Thumpr Hydraulic Roller Camshaft
GM LS Seires
Lift: .553"/.536"
Duration: 275°/295°
Lobe Separation Angle: 109°
RPM Range: 2000-6400
Old 04-22-2013, 11:44 AM
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Have always loved the sound of the Thumper



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