Holy loss of torque
Aug 12, 2005, 09:15 AM
#1
Holy loss of torque
I installed some GSC 272/272 cams this past weekend...I can't believe how much low-end torque I lost. I had read about the 272's being a couple lbs short on torque on the low end, but didn't realize it would be this bad. Compared to the stock cams, my car feels like a 4cyl. Honda below 4k. Top end has improved but at quite the expense of low RPM power.
Is this something I can hope to have remedied by a re-tune? Right now I'm running a mail-in flash for 3" TBE, Helix Intake, Walbro Fuel Pump and boost controller set at 21psi.
It would be nice to get that torque back but I'm guessing since the retuning seems to only affect WOT/in boost driving I probably am out of luck...
Is this something I can hope to have remedied by a re-tune? Right now I'm running a mail-in flash for 3" TBE, Helix Intake, Walbro Fuel Pump and boost controller set at 21psi.
It would be nice to get that torque back but I'm guessing since the retuning seems to only affect WOT/in boost driving I probably am out of luck...
Aug 12, 2005, 09:51 AM
#6
Originally Posted by matt55
i too was not to happy with my 272's , but i didnt feel like i lost any tq , just didnt feel like +20-30hp . Allmost sound like the timming it not right , recheck to see if your timming marks line up
the car pulls really hard up top but I definitely expected a bit more from all the "just installed my cams!!!" posts
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Aug 12, 2005, 10:01 AM
#9
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Originally Posted by anjapower
yea the timing is dead on...
My crank was at btdc while the valve cover marks were dead on. I went with valve cover markings.
Aug 12, 2005, 10:12 AM
#11
Originally Posted by Stinkapuss
Did you go by the crank timing mark or the valve cover marks?
My crank was at btdc while the valve cover marks were dead on. I went with valve cover markings.
My crank was at btdc while the valve cover marks were dead on. I went with valve cover markings.
Aug 12, 2005, 11:11 AM
#14
Originally Posted by matt55
what about the crank pully timming mark ?
I have a retune scheduled for the 23rd at Turbotrix.
