Analysis of turbo QMP t-63 dyno 5 psi valve float?
10-17-2004, 06:44 AM
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Staging Lane
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Analysis of turbo QMP t-63 dyno 5 psi valve float? Alas it's time to put away the Camaro for the winter. (its pouring ice pellets here in Port Elgin Ontario Canada)
With 5 psi it's been a fun ride all summer long.
Have a look at my dyno from and feel free to comment. (Note when this was done PCV valve was bad, and It threw smoke clouds, since fixed, but I think I paid the price by having to set conservative timing, to stay out of knock. I should have asked for the exact timing but was so happy about the torque, I forgot!). Are there indications of valve float?
Feel Free to move this to the dyno section Mr. Administrator.
I'm doing the rear end over the winter, likely throw in a set of 918 springs or patriots, Alcohol, torque arm, and some stickier tires, then retune @ 7psi
Thanks for any advice in advance.
98 SS QMP T-63, borla exhause (open), walbro 340, 42lb injectors, AMW catch can pcv, SPEC 3 clutch, SFC, STB, MBC, stock tires.
With 5 psi it's been a fun ride all summer long.
Have a look at my dyno from and feel free to comment. (Note when this was done PCV valve was bad, and It threw smoke clouds, since fixed, but I think I paid the price by having to set conservative timing, to stay out of knock. I should have asked for the exact timing but was so happy about the torque, I forgot!). Are there indications of valve float?
Feel Free to move this to the dyno section Mr. Administrator.
I'm doing the rear end over the winter, likely throw in a set of 918 springs or patriots, Alcohol, torque arm, and some stickier tires, then retune @ 7psi
Thanks for any advice in advance.
98 SS QMP T-63, borla exhause (open), walbro 340, 42lb injectors, AMW catch can pcv, SPEC 3 clutch, SFC, STB, MBC, stock tires.
10-17-2004, 02:23 PM
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Originally Posted by Lust4Thrust
Alas it's time to put away the Camaro for the winter. (its pouring ice pellets here in Port Elgin Ontario Canada)
With 5 psi it's been a fun ride all summer long.
Have a look at my dyno from and feel free to comment. (Note when this was done PCV valve was bad, and It threw smoke clouds, since fixed, but I think I paid the price by having to set conservative timing, to stay out of knock. I should have asked for the exact timing but was so happy about the torque, I forgot!). Are there indications of valve float?
Feel Free to move this to the dyno section Mr. Administrator.
I'm doing the rear end over the winter, likely throw in a set of 918 springs or patriots, Alcohol, torque arm, and some stickier tires, then retune @ 7psi
Thanks for any advice in advance.
98 SS QMP T-63, borla exhause (open), walbro 340, 42lb injectors, AMW catch can pcv, SPEC 3 clutch, SFC, STB, MBC, stock tires.
With 5 psi it's been a fun ride all summer long.
Have a look at my dyno from and feel free to comment. (Note when this was done PCV valve was bad, and It threw smoke clouds, since fixed, but I think I paid the price by having to set conservative timing, to stay out of knock. I should have asked for the exact timing but was so happy about the torque, I forgot!). Are there indications of valve float?
Feel Free to move this to the dyno section Mr. Administrator.
I'm doing the rear end over the winter, likely throw in a set of 918 springs or patriots, Alcohol, torque arm, and some stickier tires, then retune @ 7psi
Thanks for any advice in advance.
98 SS QMP T-63, borla exhause (open), walbro 340, 42lb injectors, AMW catch can pcv, SPEC 3 clutch, SFC, STB, MBC, stock tires.
Yes your power should stay good till around 6000 and it falls off. Not that bad though.
10-17-2004, 04:27 PM
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Usually valve float looks like a richter scale reading. lots of up and down peaks but pretty much a horizontal line. I'll say what I haev always said, the T63 is not enough turbo. Nothing wrong with the setup, though. Nice numbers
-Geoff
-Geoff
