4r100 converter lockup - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 3 (permalink) Old 05-23-2010, 02:28 AM Thread Starter
riverjet
 
Join Date: Mar 2008
Location: norther virginia
Posts: 459
4r100 converter lockup

Got some information on problems with my 3-4 shift flare from a friend who is HUMMER trans tech.He said if he recalls correctly Superduty's use a pulsewith lockup solinoid unlike OBS trucks that use a on off solinoid for converter lock.He said the solinoid pulses lockup during the3-4 shift and that I needed to speed up the lockup (pulse with) in the tuning. Does this sound right or is this BS.

2001 f250 xlt reg cab 4x4,7.3 stock injectors,water/meth,ITP rr,walbro,5/8 pu,BD/MANN ccv,DP F5,OILGUARD,stock turbo,WW,ATS,1.0 exh.housing,high flow outlet,MBRP4",Billet 3-disk,built trans,Billsteins,11 ISSPRO PERFORMAX gauges,Scan gauge,08 rear cover,350 blocks,x-springs,AFE stg2/pg7,P265/75r16 NITTO Terragrapplers.
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post #2 of 3 (permalink) Old 05-23-2010, 02:32 AM
PSN Veteran
 
Join Date: Jul 2008
Location: Northwest, OR
Posts: 2,081
Re: 4r100 converter lockup

The torque converters are pulse width modulated. And the lock up points can be changed through tuning. Have you called Jody and talked to him about your problems?
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post #3 of 3 (permalink) Old 05-23-2010, 03:04 AM Thread Starter
riverjet
 
Join Date: Mar 2008
Location: norther virginia
Posts: 459
Re: 4r100 converter lockup

Yes,but I will call him again.

2001 f250 xlt reg cab 4x4,7.3 stock injectors,water/meth,ITP rr,walbro,5/8 pu,BD/MANN ccv,DP F5,OILGUARD,stock turbo,WW,ATS,1.0 exh.housing,high flow outlet,MBRP4",Billet 3-disk,built trans,Billsteins,11 ISSPRO PERFORMAX gauges,Scan gauge,08 rear cover,350 blocks,x-springs,AFE stg2/pg7,P265/75r16 NITTO Terragrapplers.
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