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Mechanical Diode Converter? #3016907 02/19/22 07:42 PM 02/19/22 07:42 PM
Joined: Dec 2007 Posts: 232 Alberta Canada PossessedDuster OP enthusiast
PossessedDuster OP enthusiast Joined: Dec 2007 Posts: 232 Alberta Canada	Just had a local guy rebuild my 727 to go behind my 99% street driven 440 With 520hp and 535 ftlbs as per the dyno. He wants to sell me a converter he has. 245mm with billet back cover, furnace brazed with mechanical diode, low stall stator. To be honest whats required in a performance converter is getting me a bit lost. I have read up on the mechanical diode as that was new to me. Sonnax does not recommend them for street use however. Prior to this I did email SMR Transmission and as per my cam he recommended a 3000rpm stall but nothing near as exotic.

Re: Mechanical Diode Converter? [Re: PossessedDuster] #3017660 02/22/22 12:02 PM 02/22/22 12:02 PM
Joined: Jan 2003 Posts: 13,363 Marion, South Carolina [><] an8sec70cuda I Live Here
an8sec70cuda I Live Here Joined: Jan 2003 Posts: 13,363 Marion, South Carolina [><]	The mechanical diode is a REALLY strong sprag. They are perfectly streetable and expensive. At your power level, it is overkill. CHIP '70 hemicuda, 575" Hemi, 727, Dana 60 '69 road runner, 440-6, 18 spline 4 speed, Dana 60 '71 Demon, 340, low gear 904, 8.75 '73 Chrysler New Yorker, 440, 727, 8.75 '90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt '06 GMC 2500HD LBZ Duramax

Re: Mechanical Diode Converter? [Re: PossessedDuster] #3017663 02/22/22 12:12 PM 02/22/22 12:12 PM
Joined: Jan 2008 Posts: 1,212 Minn S SportF pro stock
SportF pro stock S Joined: Jan 2008 Posts: 1,212 Minn	I get a kick out of calling it a "mechanical diode". Its a frecking rachet instead of a bearing clutch.

Re: Mechanical Diode Converter? [Re: SportF] #3017671 02/22/22 01:05 PM 02/22/22 01:05 PM
Joined: Aug 2003 Posts: 43,173 Bend,OR USA C Cab_Burge I Win
Cab_Burge I Win C Joined: Aug 2003 Posts: 43,173 Bend,OR USA	Originally Posted by SportF . Its a frecking rachet instead of a bearing clutch. Your correct, I have one that was remove form oe of my old race converters after blowing it up due to a massive fin failure Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)

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