distributor id's

[SLOSpider]

i have 2 distributors and wanted to find some information on them. i tried to search but no luck. need to know which one will get the new seal before going in my 75.

sm807bx 805p2 - 81
sm807cx 809r2 809p2-1m

[manoa matt]

Can you post pictures of them? I would put the seal in the one with the best bearings and least amount of side to side and up and down play.

[SLOSpider]

Pictures...you want pictures??? ok

I did take one apart for the first time and what I thought was pounding out the end seal was the bearing too. The seals on the bearing are dried up too so new bearings will be installed. Also seem to have 2 orings on the shaft where the bearings sit and not sure if I will try to find new ones of those or reuse. The bearings are standard 6001 rs that are used in skate boards, bikes and electric motors and pilot bearings cost anywhere from $3 to 99 ea if you want fancy ceramic versions:

Seems that this seal was in backwards??









The other distributor



Something from Hawaii that came wrapped with Maui newspaper and sand

[manoa matt]

Both distributors are the 79 and later electronic versions. Move the centrifugal advance weights out of the way. There will be a number stamped into the plate below them. Either 11 or 14. These are the degree of advance the distributor gives, but since the cams turn at 1/2 crank speed you need to double the number to get the total advance which is 22 and 28.

One version is for carbed cars, and the other is for FI cars, however I and other users have had success with either on a carbed car.

Good find on the bearings, send me an email with some info on where to get them cheap as I need to rebuild 2 more dizzys before offering them up. You should be able to find some o-rings in the plumbing department for the shaft.

Pan looks great, just make sure to clean out all that sand, you don't want that in your oil.

[SLOSpider]

Thanks Matt Ill take a look at those numbers. I had read that packing story somewhere on here and it made me laugh...As far as the bearings go you should be able to get them from the OSH Hardware store to any auto parts supply, bearing house or electric motor repair place. They are used in skate board wheel bearings and in bikes as hub bearings and flex joints connections for the rear suspension of mountain bikes and even vacuum cleaners .

They are 28x12x8 6001 2rs

More information here:
http://www.drillspot.com/products/44659 ... earing?s=1

These dont have alot of real load on them so i bet the heat will kill the seals and you loose the grease before you have a actual bearing failure do to load issue. I am surprised that people just think replacing the end seal is the fix for these things. Really should replace the bearings as Iam sure they all have had the grease burned out of them long ago.

[SLOSpider]

On a side note I can opened the bad vacuum advanced and found it had a tear in it by the post. Some goop and silicone and Ill see how it holds up. Maybe if I find some thin rubber Ill try and make a new diaphram and glue it to the faulty one.

[SLOSpider]

I think that seal is in backwards..thoughts?

[manoa matt]

I believe so, however if there is no rubbing and it seals then don't worry about it unless its excessively hard.

A trick to pulling seals out is to get a self tapping sheet metal screw. Screw it into the seal and use the head to pull it out with a puller/crowbar/hammer. Make sure you clean out any metal shavings if the screw makes any.

[SLOSpider]

Yeah its hard as a brick. Bearing place wanted 14.00 for the bearing and 8.00 for the seal...what a rip. I think Ill get the 6001zz bearings that have the metal covers so they dont bake the rubber ones. Seal I can get for $4.00 from Fiat vendors I just hate paying for too high of shipping they all seem to get.

[SLOSpider]

Just found out that the oil seal is a 12x28x7 is used for Honda motorcycle waterpump seal part # 91201-MF2-003 which means you could get it at you cycle shop and avoid the 8 shipping issues...$4.04 list. The seals are also used for motors in remote control planes so a hobby store may have the bearings and seals. I found some Chicago Rawhide #CR 4750 seals with the same size.

[manoa matt]

WOW you are the man when it comes to parts cross reference. Thanks mucho mucho!

[SLOSpider]

Tested my advanced unit and is working fine no leaks. Its an easy free fix so far my repairing the torn diaphram with some silicone, we will see if it holds up in the long run.

[SLOSpider]

Just thought Id give this a bump as I needed to find out what I done back then. Rebuilding the Fiat 2.0 and found a seal CR 4750 and needed to confirm it was the one. Also have about 4 sets of bearings, must have ordered the 10 pack. Now AR is out of stock on the advances I guess its time to take the can opener approach again and seal it up.