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torque converter efficiency #1647401
07/16/14 11:21 PM
07/16/14 11:21 PM
Joined: Oct 2011
Posts: 3,036
bean town ....Ca
W
WHITEDART Offline OP
master
WHITEDART  Offline OP
master
W

Joined: Oct 2011
Posts: 3,036
bean town ....Ca
i was fulling around on wallace racing calculators trying to pick a gear for my new motor/trans combo. and when i input all my info i come up with 9.50% converter slippage. how close has wallace been for you guys and is this a realistic, number.


In the 8s N/A.with Brett miller W8's
5.07 at 133 at 2700lb
Re: torque converter efficiency [Re: WHITEDART] #1647402
07/16/14 11:33 PM
07/16/14 11:33 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
Master
MR_P_BODY  Offline
Master

Joined: Jun 2003
Posts: 52,972
Romeo MI
Quote:

i was fulling around on wallace racing calculators trying to pick a gear for my new motor/trans combo. and when i input all my info i come up with 9.50% converter slippage. how close has wallace been for you guys and is this a realistic, number.




5%-7% is more realistic .. its possible you have that
much ... I dont know how close the Wallace one is,
I dont use it for that

Re: torque converter efficiency [Re: MR_P_BODY] #1647403
07/17/14 12:17 AM
07/17/14 12:17 AM
Joined: Sep 2004
Posts: 1,499
San Antonio,TX
4
440W8 Duster Offline
pro stock
440W8 Duster  Offline
pro stock
4

Joined: Sep 2004
Posts: 1,499
San Antonio,TX
I put my info in and it came up with 2.76% slippage.


70 Duster W8 motor.
1.29 60ft 5.79 1/8 at 120 mph
glide with 1.80 gear
@3170 lbs.
Re: torque converter efficiency [Re: 440W8 Duster] #1647404
07/17/14 12:31 AM
07/17/14 12:31 AM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
Master
MR_P_BODY  Offline
Master

Joined: Jun 2003
Posts: 52,972
Romeo MI
Quote:

I put my info in and it came up with 2.76% slippage.




I just put mine in and its 6% which is what I came
up with using my data logger ... at 2.76 you have one
of the best conv I've heard of... I know of a few at
3% to 3.5%







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