5.3 with a Magna-charger
11-04-2003, 09:33 PM
#1
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5.3 with a Magna-charger
Dyno'd a customer 2000 model 1500 Z71 truck tonight for a base line.
I must say i was a little dissapointed with the results...
232rwhp & 350ftlbs from the convertor...
mods are stock 5.3 with
shorty headers
dual exhaust
magancharger 5.5psi kit(only made 3.5psi @5500rpm)
predator tuning
3:73 gears
am i crazy? or is this thing missing about 50 horse power?
I must say i was a little dissapointed with the results...
232rwhp & 350ftlbs from the convertor...
mods are stock 5.3 with
shorty headers
dual exhaust
magancharger 5.5psi kit(only made 3.5psi @5500rpm)
predator tuning
3:73 gears
am i crazy? or is this thing missing about 50 horse power?
11-04-2003, 10:09 PM
#5
11-04-2003, 10:12 PM
#6
Originally Posted by quiksilveradoII
not all dynos are the same. you can run on two different dynos and not
get the results.
dual exhuast might be hurting that truck not enough backpressure
get the results.
dual exhuast might be hurting that truck not enough backpressure
I agree with this! I have had THREE differant dynos, I dont know what to belive!
11-04-2003, 11:07 PM
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Originally Posted by BlownChevy
I agree with this! I have had THREE differant dynos, I dont know what to belive!
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11-04-2003, 11:11 PM
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I've used the same dyno for the last four years, and have had consistant results. The truck has about45K on the engine and 6000 miles on the side mount charger system... I figured it would atleast make 280 @ the wheels if not 300... I'm gonna tear it down for the cam swap, and check everything i can... I'm hoping the tune is just WAY off...tonight was a base line true test will come end of the week...
I compared it to my bone stock 99 6.0 liter that makes 260@ the wheels...man i hope this truck isn't just wore out....
I compared it to my bone stock 99 6.0 liter that makes 260@ the wheels...man i hope this truck isn't just wore out....
11-05-2003, 12:03 AM
#9
Originally Posted by ISPEEDWS6
I've used the same dyno for the last four years, and have had consistant results. The truck has about45K on the engine and 6000 miles on the side mount charger system... I figured it would atleast make 280 @ the wheels if not 300... I'm gonna tear it down for the cam swap, and check everything i can... I'm hoping the tune is just WAY off...tonight was a base line true test will come end of the week...
I compared it to my bone stock 99 6.0 liter that makes 260@ the wheels...man i hope this truck isn't just wore out....
I compared it to my bone stock 99 6.0 liter that makes 260@ the wheels...man i hope this truck isn't just wore out....
Who tuned it?
11-05-2003, 12:37 PM
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Blown Chevy it hasn't had a "real" tune yet, that's why it got dropped off to me, all it has for software at the moment is some cookie cutter program from Predator.
I'll be going back tot he dyno end of week, after the new cam is in it, and retune the whole thing with edit.
I'll be going back tot he dyno end of week, after the new cam is in it, and retune the whole thing with edit.