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HELP! #1417205 04/09/13 02:01 AM 04/09/13 02:01 AM
Joined: Feb 2011 Posts: 440 Marysville, WA 77ProStreet OP mopar
77ProStreet OP mopar Joined: Feb 2011 Posts: 440 Marysville, WA	I am replacing the slant 6 with a 440 and I am retaining the stock 833 overdrive tranny. I have the right bellhousing #4039670 and I have I think the right flywheel #2843214. What I need help with is I want to use a Centerforce dual friction clutch, but I'm not sure which one to use. Anyone have an answer or suggestion? Any help will be appreciated!!!! I have tried calling Brewers but no answer and Passon has not called me back.

Re: HELP! [Re: 77ProStreet] #1417206 04/09/13 02:39 AM 04/09/13 02:39 AM
Joined: Feb 2010 Posts: 18,493 Granite Bay CA Kern Dog Striving for excellence
Kern Dog Striving for excellence Joined: Feb 2010 Posts: 18,493 Granite Bay CA	First off, I doubt that you have the correct bellhousing, since they never were made. The Overdrive 833 was never put behind a big block. They weren't even put behind a 360. It was slant 6 and 318 only. There were no regular 4 speed big blocks after 1978 because the 400 and 440 were cancelled after the 1978 model year. You could use a standard big block car bellhousing and machine the register hole to the 5.125 size to accept the larger bearing retainer that all OD 833s have. The other option is to mill the 5.125 retainer to the 4.80 size.

Re: HELP! [Re: Kern Dog] #1417207 04/09/13 03:06 AM 04/09/13 03:06 AM
Joined: Feb 2011 Posts: 440 Marysville, WA 77ProStreet OP mopar
77ProStreet OP mopar Joined: Feb 2011 Posts: 440 Marysville, WA	Quote: First off, I doubt that you have the correct bellhousing, since they never were made. The Overdrive 833 was never put behind a big block. They weren't even put behind a 360. It was slant 6 and 318 only. There were no regular 4 speed big blocks after 1978 because the 400 and 440 were cancelled after the 1978 model year. You could use a standard big block car bellhousing and machine the register hole to the 5.125 size to accept the larger bearing retainer that all OD 833s have. The other option is to mill the 5.125 retainer to the 4.80 size. This bellhousing has a duel pattern with the 5.125 bearing retainer for the 77-78 Trucks. So YES they were made! They may not of had 833 OD behind them but they do have bolt pattern.

Re: HELP! [Re: 77ProStreet] #1417208 04/09/13 09:40 AM 04/09/13 09:40 AM
Joined: Aug 2004 Posts: 8,087 Elk Grove, Calif. B bigblock340power master
bigblock340power master B Joined: Aug 2004 Posts: 8,087 Elk Grove, Calif.	This could get good......................

Re: HELP! [Re: 77ProStreet] #1417209 04/09/13 11:10 AM 04/09/13 11:10 AM
Joined: Jan 2003 Posts: 4,285 Ohio 6 64dodge572 master
64dodge572 master 6 Joined: Jan 2003 Posts: 4,285 Ohio	The bellhousing uses a 143 tooth flywheel, Centerforce package: http://brewersperformance.com/proddetail.asp?prod=CDF1123 and yes, that bellhousing has both the NP435 and A833 bolt patterns. Wayne Brewers Performance Inc. 4-speed transmission and parts specialists PH 937-947-4416 or 937-698-4259 FAX 937-947-4419 www.brewersperformance.com

Re: HELP! [Re: 77ProStreet] #1417210 04/09/13 01:48 PM 04/09/13 01:48 PM
Joined: Feb 2010 Posts: 18,493 Granite Bay CA Kern Dog Striving for excellence
Kern Dog Striving for excellence Joined: Feb 2010 Posts: 18,493 Granite Bay CA	The dual pattern was common, but the large 5.125 hole may have been machined after it left the factory. It was common and still is for enthusiasts to have bellhousings modified/machined to accomodate the 833 OD. My point was that while the factory never offered an 833 OD behind a big block in a truck, the combo has been made possible with a few modifications. The dual pattern bellhousing tactic also was seen in some cars. The 3 speed A 230 trans had a different mounting pattern and it made more sense to use a dual pattern bell to save on costs.

Re: HELP! [Re: 64dodge572] #1417211 04/09/13 04:09 PM 04/09/13 04:09 PM
Joined: Feb 2011 Posts: 440 Marysville, WA 77ProStreet OP mopar
77ProStreet OP mopar Joined: Feb 2011 Posts: 440 Marysville, WA	Thank you 64Dodge572! I knew you would chime in at some point. Frankenduster, I don't know how to say it any other way and you to understand or believe what many guys have already posted in the past!? Even Brewers just said it in this post.....IT IS A FACTORY PART WITH NO MODIFICATIONS!!!!!!!

Re: HELP! [Re: 77ProStreet] #1417212 04/09/13 04:37 PM 04/09/13 04:37 PM
Joined: Aug 2003 Posts: 12,291 Kent, Wa 340SHORTY Truck Nut
340SHORTY Truck Nut Joined: Aug 2003 Posts: 12,291 Kent, Wa	That bell was produced for the BB 77/78 trucks. The NP435 tranny uses the same 5.125 front bearing retainer. The bell is fairly rare and usually expensive when found. Why it has the 833 pattern is the real question.. I am truckless..

Re: HELP! [Re: 340SHORTY] #1417213 04/09/13 11:59 PM 04/09/13 11:59 PM
Joined: Feb 2010 Posts: 18,493 Granite Bay CA Kern Dog Striving for excellence
Kern Dog Striving for excellence Joined: Feb 2010 Posts: 18,493 Granite Bay CA	Hey, if it all fits and works, thats great. The iron case 833 OD will certainly hold up to the big block far better than the aluminum version. I have limited experience with the truck 4 speed transmissions, so I was UNaware that they shared the same huge 5.125 bearing retainer. It is because of this that the swap you're planning is possible. I hope it all works out.

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