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Old 08-20-2012, 09:48 PM   #1
Foose04
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Default Busted big boost 4.8L

A big boost 4.8L is no longer with us.




Not mine, but the has been beating he has on it for a while, hoping to get it in the 8's and I want to say 3200 race weight. Let go at 24psi and believe still on pump gas. Piston complete gone, but it was #7 so tune could have been the issue. None the less he says every rods was bent a little as well. Hmmmmm

http://www.performancetrucks.net/for...inside-506550/
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Old 08-20-2012, 09:57 PM   #2
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You scared me! I thought it was yours lol.
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Old 08-20-2012, 10:04 PM   #3
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That sucks!!! Good luck being the new top dawg
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Old 08-20-2012, 10:05 PM   #4
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Sucks to be him. Bring on the BOAST.
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Old 08-20-2012, 10:10 PM   #5
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Quote:
Originally Posted by 94zson View Post
That sucks!!! Good luck being the new top dawg
I wish man, he's got about 1200 weight reduction on me. He went 9.2s@150, 5.9x and 120 8th.

I would love to join him in 9 second club. R&L delivers my fresh 4l80E tomorrow, then I got some work to do to earn some fun times!


Quote:
Originally Posted by ForceFed4g63 View Post
You scared me! I thought it was yours lol.
No mines still hangin, likely with some bent rods to lol in the garage. Not sure if I should go tell her the news or not.
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04 GMC 1500RST: TMS Iron 347/S480/4l80E - 9.77@140.40
05 GMC 2500HD: LLY@372HP/669TQ, 4x4, 8" FabTech, 4.56 gears & 37" Toyo M/T's,
97 22" Baja Hammer: Boss w/stock 454

Last edited by Foose04; 08-20-2012 at 10:12 PM.
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Old 08-20-2012, 10:14 PM   #6
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Quote:
Originally Posted by Foose04 View Post
I wish man, he's got about 1200 weight reduction on me. He went 9.2s@150, 5.9x and 120 8th.

I would love to join him in 9 second club. R&L delivers my fresh 4l80E tomorrow, then I got some work to do to earn some fun times!




No mines still hangin, likely with some bent rods to lol in the garage. Not sure if I should go tell her the news or not.
You'll get there!!! Once my house gets settled and I get the camaro there, she's going under the knife. The Rossler th350 is in now and just need to button some last details up

Last edited by 94zson; 08-20-2012 at 10:16 PM. Reason: Spelling
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Old 08-21-2012, 08:38 AM   #7
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so 23lbs will be good, just don't hit 24 lbs on stock bottom end...lol
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Old 08-21-2012, 08:45 AM   #8
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Quote:
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so 23lbs will be good, just don't hit 24 lbs on stock bottom end...lol
That is the way I read that. but that was also on pumpgas
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Old 08-21-2012, 08:52 AM   #9
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Quote:
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That is the way I read that. but that was also on pumpgas
with meth
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Old 08-21-2012, 09:46 AM   #10
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same thing happened to mine but there was still part of a piston lift in the hole but the rod got bound up and broke in mine. all he needs is a new piston and rehone the cylinder
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Old 08-21-2012, 10:50 AM   #11
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with meth
Sorry, I never touched the stuff.
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Old 08-21-2012, 06:09 PM   #12
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Thats the way I read it... 23psi max, no biggy..didn't say nothing about nitrous either so i should be fine.

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Old 08-21-2012, 06:24 PM   #13
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That shit aint straight bo
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Old 08-21-2012, 06:25 PM   #14
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just stick it in a vice and bend it back, good as new.
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Old 08-21-2012, 07:39 PM   #15
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Quote:
Originally Posted by 03SVTCOBRA View Post
just stick it in a vice and bend it back, good as new.
That only works on 4.6's the 4.8 is a little different
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Running one 7.5x after another....

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Old 08-21-2012, 08:05 PM   #16
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Quote:
Originally Posted by 02_L#416 View Post
That only works on 4.6's the 4.8 is a little different
True. Run it as it is and you will be fine
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Old 08-21-2012, 08:48 PM   #17
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Damn that's some good detonation there.
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Old 08-22-2012, 09:42 AM   #18
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reinstall the piston with the rod rotated 180*. it should bend it back straight again naturally...lol
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Old 09-17-2012, 10:04 PM   #19
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Dudes back with another 4.8 and going faster lol. Hardcore believer right thur.

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04 GMC 1500RST: TMS Iron 347/S480/4l80E - 9.77@140.40
05 GMC 2500HD: LLY@372HP/669TQ, 4x4, 8" FabTech, 4.56 gears & 37" Toyo M/T's,
97 22" Baja Hammer: Boss w/stock 454

Last edited by Foose04; 09-17-2012 at 10:29 PM.
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