I know it's minor to most, but altitude plays a huge role. I'm close to Denver so it weights on my mind while looking at these combos.
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I know it's minor to most, but altitude plays a huge role. I'm close to Denver so it weights on my mind while looking at these combos.
I'll put the old rig in.
'05 Avalanche 5880lbs, 2wd, 5.3L, 4l60e w/ shiftkit/servo
208/212-.525cam, STS turbo kit, 5psi, intercooled
20's, 285's, posi, 3.42's, 16"diameter Wilwood brakes
109 unleaded, lots of timing at SAR
12.92 @ 105
ran this several times, just barely a 12, but still a solid 12sec truck
Not a ls truck but for shits and giggles
1998 ss camaro
3450 race weight
ls6 intake, ported TB
1 3/4 long tubes, ORY
Nelson Tune
12.6 @ 110 mph elevation 500 da -500
Was this with the stock LS1 motor?Quote:
Originally Posted by 98silverbullet
yes sir valve covers never been offQuote:
Originally Posted by MrHorsepowerLSx
That's awesome, I love how simple bolt ons make huge power
ya she made 327 on a 100 degree day before the Nelson tune. I bet its more like 345 now in nice weather.Quote:
Originally Posted by MrHorsepowerLSx
Still awesome gains for otherwise stock stuff
2008 silverado Vortec Max Ext. Cab Short bed
"built tranny" 3600 stall (witch i found was bs... basically stock trans)
Pacesetter long tubes
True duals, no cats
K&N
comp cam 238/239 112lsa .605lift
Stock everything else 6.0 L76 (aluminium block)
Stock 823 casting "l92 type heads"
Stock 14 bolt 373 rear end
back seat removed. spare removed, towhitch removed.
17" steelies
12.5 @105
I weighted the truck at 4957 lbs a while back with all the seats and everything.
What rear gears and tires were you using to get that time?Quote:
Originally Posted by MrHorsepowerLSx