How do I determine my shift point?

ciara · 09-06-2002, 06:25 PM

How many rpm's should I shift at if my peak horsepower is at 6000 rpm. Do I shift at that rpm or a few hundred over? WHat is the correct method. I have heard it both ways.

gofastmercury · 09-06-2002, 06:44 PM

Without dyno sheets, its pretty hard to guess, and what comes up is only a guess. The best way is go the strip and practice. On a 3 speed auto the shift points tend to be the same for every gear. Sticks and 4 speed autos sometimes require different points. All it takes is track time, alot of it.

lx mike · 09-06-2002, 06:46 PM

Your shift point should be where it would drop your rpm's down to close to your peak torque point. there a website somewhere that if you know your torque and rpm it's at it can help with picking shift points.

09-06-2002, 06:25 PM	#1
ciara Registered Member Join Date: Jan 2002 Posts: 100	How do I determine my shift point? How many rpm's should I shift at if my peak horsepower is at 6000 rpm. Do I shift at that rpm or a few hundred over? WHat is the correct method. I have heard it both ways.

09-06-2002, 06:44 PM	#2
gofastmercury Registered Member Join Date: May 2001 Location: calgary alberta canada Posts: 366	Without dyno sheets, its pretty hard to guess, and what comes up is only a guess. The best way is go the strip and practice. On a 3 speed auto the shift points tend to be the same for every gear. Sticks and 4 speed autos sometimes require different points. All it takes is track time, alot of it. __________________ 93LXcopcarSOLD14.3@96 @ 4500ft 2.02 60ft on street tires. my 67 ranchero NOT A 390 ANY MORE! 460! 3.70's cast manifolds, comp cams 262H, performer, 750DP 100K out of 79 F250 NEW(oct20/02)14.58@95mph 2.3 60 ft corrects to:13.86@100 66 merc comet351w, isky roller 600 lift 268/260@.050, vic jr. 700DP, 5000stall, 4.56's c-4, 3400lbs with driver 12.3@110 @ 4000ft 1.69 60 ft corrects to:11.69@115

09-06-2002, 06:46 PM	#3
lx mike Undescribable Join Date: Sep 1998 Location: Ft Myers Fla Posts: 1,539	Your shift point should be where it would drop your rpm's down to close to your peak torque point. there a website somewhere that if you know your torque and rpm it's at it can help with picking shift points. __________________ Rice Haters Club Member #101

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