Dist Cap ID ????

[CamarosRus]

What is correct DELCO Distrib Cap for 1970 Z28 ???

I have this with Delco - Remy R & PATENT 2769047

AND I also have a similar Black Cap with NO LETTERS/NUMBERS

[mhm1966]

The 1970 Z/28 would have had the "Delco Remy" "Patent Pending" R distributor cap from the factory. The "Patent" 2769047 and the cap without letters would be a service replacement cap.

[daveg]

Originally Posted by mhm1966

The 1970 Z/28 would have had the "Delco Remy" "Patent Pending" R distributor cap from the factory. The "Patent" 2769047 and the cap without letters would be a service replacement cap.

IMHO this #2 post is the correct answer.
Post 12 backs it up

Stuff I posted is referencing a 69.
To finish the 69 story this is the cap that was on the dist pictured above.
No "R" as you can see.

The thread I linked started as a question about the originality of some parts that were removed to get car running after its long nap.
As you can see the cap was dismissed as replaced.
I bought the "R" one as it was supposed to be"correct".
Then conflicting info shows up later.

The no "R" cap is on car but we have the 'R" one [minus overspray" on the shelf.

Always looking for more clarity on stuff including this.

Pic 1 is the "R" cap we bought for it.
Pic 2 is the no "R" cap that was on dist.
Pic 3 is the coil that came with car
Pic 4 is date and purple ID paint on dist that came with car.

[CamarosRus]

mhm1966, So my above pictured cap is NOT Assy Line Correct !!!!!!!!!!!

and there was Two different service replacement caps ?? One like above
and 2nd .........without any writing ???????

[mhm1966]

Chuck, the cap you have in the picture is not assembly line correct for a 1970 Z/28. The cap is a later style replacement cap that was used in 1973 production. They made several different versions of this cap. The one you have 2769047 with aluminum contacts, 2769047 R both with aluminum and copper contacts, and some had other letters like T and BH on top of the cap.

[daveg]

early and late "patent pending" caps.
Pic 1 is earlier type. No "R"
Pic 2 is later type with "R".
They are saying you need bottom type.

[CamarosRus]

MHM1966, Thank You for your replies...........

Interested to learn what/where is your source of info so as the Camaro Nat'l Judges
will "Believe"

What 1970 GM V-8 engines during what months received which cap ???

and 1971 etc etc...........

Did the " PATENT 2769047 R " not start until 1973 ??? and all 70-72 received
the PATENT PENDING.......

Thanks for your patience, if you have any left

Ive asked Charley Lillard to get a picture of the assy line cap on his former LOW
milage 70 Z............

[jerry455]

Fantastic information here- especially with the pics.
I have some older Delco caps NIB on the shelf, will investigate what they are for fun. thanks guys!

[olredalert]

----Part number 19719244 in a GM restoration box with just Delco-Remy and patent pending would be for what years and vehicle???....Bill S

[mhm1966]

"Patent Pending" cap is for 1968 and earlier for all GM models.