4th gear slipping

Mike Pearson · 01-09-2017, 04:57 PM

Are you shifting using the clutch or clutchless. Using the clutch needs more pressure than clutchless. 406 has a lot of torque. With the 252 low you might be burning the clutch in low gear as well. I would think a 1st gear in the 290 range would be better for that combo.

Sam Ehret · 01-09-2017, 05:14 PM

Yes, I'm using a clutch to shift. 29.5" tires
My launch rpm is 4800 on the two step. When I shift from 3-4 my rpm drops to around 5500. That's the point where I smoke(drive thru) the clutch.

01-09-2017, 04:57 PM	#1
Mike Pearson VIP Member Join Date: Mar 2007 Posts: 2,454 Likes: 616 Liked 1,943 Times in 584 Posts	Re: 4th gear slipping Are you shifting using the clutch or clutchless. Using the clutch needs more pressure than clutchless. 406 has a lot of torque. With the 252 low you might be burning the clutch in low gear as well. I would think a 1st gear in the 290 range would be better for that combo. __________________ Mike Pearson 2485 SS

01-09-2017, 05:14 PM	#2
Sam Ehret Junior Member Join Date: Jul 2014 Posts: 18 Likes: 4 Liked 0 Times in 0 Posts	Re: 4th gear slipping Yes, I'm using a clutch to shift. 29.5" tires My launch rpm is 4800 on the two step. When I shift from 3-4 my rpm drops to around 5500. That's the point where I smoke(drive thru) the clutch.