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Bracket Talk Bracket Talk Forum Tech Talk - by Abruzzi Frontrunner pressure questionGo | New | Find | Notify | Tools | Reply | |
| Frontrunner pressure question | Login/Join |
DRR S/Pro |
How low of a pressure can I run safely in 26" MT fronts with 967lbs on the front? Anyone with any experience in lightweight cars dropping pressure enough to change reactions? | ||
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| DRR Sportsman |
I have been from 25# to 45#. For me 2350# car leaving on trans brake. 10# in pressure is about 7 to 8 thou in react. ep- hope this helps | |||
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| DRR S/Pro |
Thanks EP. Wasn't sure how low I could safely go. I will drop down to 25lbs this weekend and see where I'm at. I was -.005, -.014, -.012 and I made an rpm change instead of fronts. Of course it was in my head and I was .065 2nd round. LOL | |||
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DRR S/Pro |
I don't have any numbers, but I'd bet a pressure change in the slicks would be equally or more impactful. I only use RPM to adjust R/T. Tony Leonard | |||
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| DRR S/Pro |
Tony, I used to make adjustments to my slicks when I ran Hoosier. They didn't care about a half pound or more one way or another. I'm on MT now and they seem to be more finicky about pressure although they are stupid good for consistency. I just haven't been able to test with them enough to know what I can get away with or how much a difference what pressure makes. All but 2 passes have been at races. . | |||
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DRR Top Comp |
I have ran under 20 up front on my altered with no problems but I do not recommend it. Use RPM if you can. 25 PSI should be no problem as light as your front is. https://postimg.cc/gallery/np3zpruo/ "Dunning-Kruger Effect" -a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge. Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue. 4X NE2 CHAMPION. 2020 TDRA NE2 Champion | |||
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| DRR Sportsman |
I see little to no difference in rear pressure. But will see some with front psi. ep | |||
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Bracket Talk Bracket Talk Forum Tech Talk - by Abruzzi Frontrunner pressure question
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