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-   -   Best Place to Buy GM EATON 800 8.5" Posi (https://classracer.com/classforum/showthread.php?t=49993)

Dan Fahey 10-21-2013 10:50 AM

Best Place to Buy GM EATON 800 8.5" Posi
 
Time to find an 800# Eaton Posi.
1995 Impala SS 8.5 Inch Rear.

My 400lb will not hold the launch RPM.
Over 2500 rpm the Tires become unhinged. At or below launches fine.
Use to hit it at 3000 when the rear Brakes Held the Torque.
That is another fix coming.

Driving to the tracks and street most likely weakened the Grip Capability.

Want to buy a Eaton 800# but need advice the on better Clutch Pack.
Will then rebuild the current one but need advice on which Clutch Pack to use or have it Rebuilt.

Dan

Tar Heel 10-21-2013 11:53 AM

Re: Best Place to Buy GM EATON 800 8.5" Posi
 
Quote:

Originally Posted by Dan Fahey (Post 405268)
Time to find an 800# Eaton Posi.
1995 Impala SS 8.5 Inch Rear.

My 400lb will not hold the launch RPM.
Over 2500 rpm the Tires become unhinged. At or below launches fine.
Use to hit it at 3000 when the rear Brakes Held the Torque.
That is another fix coming.

Driving to the tracks and street most likely weakened the Grip Capability.

Want to buy a Eaton 800# but need advice the on better Clutch Pack.
Will then rebuild the current one but need advice on which Clutch Pack to use or have it Rebuilt.

Dan

How about a spool now Dan since you're looking into a trailer?

Dan Fahey 10-21-2013 12:22 PM

Re: Best Place to Buy GM EATON 800 8.5" Posi
 
Quote:

Originally Posted by Tar Heel (Post 405276)
How about a spool now Dan since you're looking into a trailer?

Scott:
Love the idea but in Pure Stock not allowed a Spool..

Dan

Tar Heel 10-21-2013 01:52 PM

Re: Best Place to Buy GM EATON 800 8.5" Posi
 
Quote:

Originally Posted by Dan Fahey (Post 405280)
Scott:
Love the idea but in Pure Stock not allowed a Spool..

Dan

RATS! Now I have to take my rear-end apart this winter ... :rolleyes:

FED 387 10-21-2013 03:10 PM

Re: Best Place to Buy GM EATON 800 8.5" Posi
 
Dan--- why don't u just buy the 800# preload kit available under Eaton part number 29591-OOS this is the 800 pond pre load kit springs & plates available from Summit for $89.97 ---by th way Summit shows a picture of it ----Has to be cheaper than buying a whole posi unit for about $450 ---Good luck FED 387

Dan Fahey 10-21-2013 05:17 PM

Re: Best Place to Buy GM EATON 800 8.5" Posi
 
Quote:

Originally Posted by FED 387 (Post 405309)
Dan--- why don't u just buy the 800# preload kit available under Eaton part number 29591-OOS this is the 800 pond pre load kit springs & plates available from Summit for $89.97 ---by the way Summit shows a picture of it ----Has to be cheaper than buying a whole posi unit for about $450 ---Good luck FED 387

Thanks FED..
Yeah, seriously thought about that..!

A new Posi would be twice the cost to rebuild but simpler quicker to install.
PN for the Springs is $90, Carbon Disks another $119.00.
It is still good for the street and drag racing.

Have the option keeping it for a street project, the 94 Caprice SSuperwagon being set up for towing or sell to a B-Body racer.
Should be a wash after selling it.

In past have rebuilt a 12bolt Moroso Posi with new Springs from Al's Differentials.
Built a clamp tool out of 2x4 and to force them inside the cavity with a hammer.

Eaton has three types of clutch service kits.
OE, 18 disc (standard), 24 disc (high performance), the modern day, high tech 14 disc carbon fiber design.

Last night studied all about their characteristics.
Still need advice on which of the last 2 to buy.

Dan

Tim Kish 10-21-2013 09:52 PM

Re: Best Place to Buy GM EATON 800 8.5" Posi
 
Call the Eaton tech line: 800-328-3250 Either Barney or Brent should be able to steer you in the right direction.

Dan Fahey 10-21-2013 10:57 PM

Re: Best Place to Buy GM EATON 800 8.5" Posi
 
Quote:

Originally Posted by Tim Kish (Post 405369)
Call the Eaton tech line: 800-328-3250 Either Barney or Brent should be able to steer you in the right direction.

That is great information..thanks.

D

Dan Fahey 10-22-2013 11:45 AM

Re: Best Place to Buy GM EATON 800 8.5" Posi
 
Quote:

Originally Posted by Tim Kish (Post 405369)
Call the Eaton tech line: 800-328-3250 Either Barney or Brent should be able to steer you in the right direction.

FYI..that Number is for some Florida Vacation spam..

Here is his correct information

Brent Bussell -Customer Support
Technical Specialist
Phone# (248)226-6762
Fax# (248)226-6740

FED 387 10-22-2013 02:16 PM

Re: Best Place to Buy GM EATON 800 8.5" Posi
 
toll free # is 800-328-3850 x 6762-otherwise the other # is his direct line phone #-FED 387


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