Thumpr cam is in!

Just got my thumpr cam install done on my 04 sierra with a 5.3. Along with beehive springs, pushrods, pacesetter LTs, and cold air intake. I havent got it tuned yet, and im about to. My question is i kinda have to drive it for a couple weeks before i get the tune done, will it hurt the motor at all driving it without the tune?

I'm not familiar with that cam, but no, if it isn't too aggressive you can drive it. If it is a big cam, the only damage will be to your ego as the truck stalls all the time.

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Originally Posted by Too Fast

I'm not familiar with that cam, but no, if it isn't too aggressive you can drive it. If it is a big cam, the only damage will be to your ego as the truck stalls all the time.

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Hahaha ok thanks man. Yeah it doesnt idle at all. I have to manually down shift all the time and ride the brake and give it some gas so it doesnt stall. Hopefully next week ill be getting it tuned.

Your drivability is going to be crap until you tell your PCM what you have done to your car. I would check your plugs after the tune is done.

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Originally Posted by 2002ssslp

Your drivability is going to be crap until you tell your PCM what you have done to your car. I would check your plugs after the tune is done.

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Yeah, i plan on changing em after i get it tuned

Any videos of the new thumpin' beast?


You are expecting a fuel mileage decrease, right?

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Originally Posted by Too Fast

Any videos of the new thumpin' beast?


You are expecting a fuel mileage decrease, right?

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Oh yeah, lol i expected it. Heres a vid
http://www.youtube.com/watchv=NhuQM9IYHgU

When i get a chance ill post a vid with the exhaust done

Heres some pics
http://img.tapatalk.com/d/12/10/31/ygeje3av.jpghttp://img.tapatalk.com/d/12/10/31/gy5adyga.jpg when i started.
http://img.tapatalk.com/d/12/10/31/y2yja6ug.jpg tearin it down. She was pretty dirty
http://img.tapatalk.com/d/12/10/31/de4u3u5y.jpg passenger side with the valve springs and header done

http://img.tapatalk.com/d/12/10/31/y6ydy7y6.jpghttp://img.tapatalk.com/d/12/10/31/jybypy5a.jpg getting ready to yank the old cam

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Originally Posted by fmkidd

getting ready to yank the old cam

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Wow, I wish I had that much room in my Camaro.

Lol yeah it was pretty nice. Never had a set of headers go in that easy before

Update everyone with more pictures when you can.

I can stand in my TA's engine bay when the radiator is out.

2004 gmc sierra thumpr cam delta 40 flowmasters - YouTube

Thump -ditty-thump -thump-thump......sounds good!

Pretty sweet truck!

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Originally Posted by GoldenFlame

Pretty sweet truck!

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Thanks guys