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-   -   highest hp 4.8 (https://www.performancetrucks.net/forums/internal-engine-modifications-158/highest-hp-4-8-a-411112/)

jkwalkercchs 02-06-2008 02:11 PM

highest hp 4.8
 
keeping a 4.8s stock cubes whats the highest hp some1 has achieved n/a or f/i either one

joshua022 02-06-2008 02:21 PM

kbracing96 is getting a lot of power out of his turbo'd 4.8

Mangled03gmc 02-06-2008 02:58 PM

Probabaly kbracing, I believe he is making in the 5XX range, or parrish8 when he was boosting the hell out of his 4.8.

John

nightrunner 02-06-2008 06:48 PM

im gonna say that it was 8ALTNG when he had a forged 4.8 runnin in the 11s

Mangled03gmc 02-06-2008 06:53 PM

Yeh forgot bout him, he was def up there..

John

jkwalkercchs 02-07-2008 09:05 AM


Originally Posted by nightrunner (Post 3843608)
im gonna say that it was 8ALTNG when he had a forged 4.8 runnin in the 11s

where was he getting forged internals for the 4.8??

TurboGibbs 02-07-2008 09:27 AM

I think he just had custom forged pistons.

I put down 445/489 with a stock long block, cam and Radix.

kbracing96 02-07-2008 12:27 PM

Ya, 8ALTNG got into the 530's or 40's I think, but he had custom forged pistons cuz no one makes a off the shelf piston for a 4.8 and he had good rods too.

I'm making 505rwhp and 533rwtq on a small cam and stock motor at 12 psi, meth and pump gas. I think I could get a little more out of it, but I don't think my mostly stock 4l60e would like it :lol:. I'm surprised it's still alive :jest: That and my 43lbs injectors are maxed, so I'd have to put the 60 I have in it, or spray a lot more meth.

8ALTNG 02-07-2008 04:00 PM

the forged internals are currently for sale.

jkwalkercchs 02-08-2008 12:17 AM

hmmmmmmmmmm pm sent

i just wanna break some1s record on here lol


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