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Thinking again ...
We are still asking:
What did you
get done on
your Bolt today
????


The question, initially posted May 23, 2005, was:
"Whatcha do on your Bolt
this weekend?"

After 51,906,997 views, 7378 replies over 185 pages, this thread in General Truck Talk is a happening! And it's not just weekends anymore.


Now with pictures
and No BOTS.


So ...


What did you get done on your Bolt today????


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Re: GM HEI Distributor Shaft End Play
HandyAndy #1430126 Sun Nov 14 2021 05:00 PM
Joined: Feb 2004
Posts: 24,297
H
Kettle Custodian (pot stirrer)
It takes a bit of creative machining, but I've built up a few distributors with a Torrington needle bearing at the top of the housing for a zero-wobble top end. It's surprising how inaccurate some distributors can get, either from wear or manufacturing tolerances.
Jerry


"Freedom's just another word for nothing left to lose"
Kris Kristofferson

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!

WAG MORE- - - - - -BARK LESS!
Re: GM HEI Distributor Shaft End Play
HandyAndy #1430134 Sun Nov 14 2021 08:29 PM
Joined: Dec 2018
Posts: 1,462
F
'Bolter
Handy Andy My local 55 year junkyard where they are true junkyard dogs,test HEI's this way-put 12v jumper cables on it handle it like a hot potatoe spin it if it pops and cracks is good. Best part is they turn you loose in the yard,covers about 120 acres,amix of 30's to current vehicles.

Re: GM HEI Distributor Shaft End Play
HandyAndy #1430145 Sun Nov 14 2021 10:06 PM
Joined: Dec 2013
Posts: 1,051
Former BMW Rider
Joe H: I'll shoot for that .010" to .020" range for end play. Do you have a source that you can share for those bushings? I'll have to look these distributors over closely. Hopefully, I won't need to replace the bushings. I'm aware of the alignment mark and the rotor orientation. Good reminder, thanks!

Jerry: The needle bearing sounds interesting. However, the bushings should suffice for my purposes.

fixite7: You are very fortunate to have an auto salvage yard that not only has the parts you need, but they turn you loose too! The pick-n-pull salvage yards are long gone in my neck of the woods here in Iowa, or paradise as 52Carl fondly refers to Iowa.........right Carl? I suppose turning people loose in a salvage yard is a 'big liability issue' these days, or so I've been told.

My thanks to all,


Andy

His: 1947 Chevrolet 3104 [flic.kr]
Hers: 2008 American Saddlebred [flic.kr]

"I proudly Stand for the Flag and Kneel for the Cross" Unknown
Re: GM HEI Distributor Shaft End Play
HandyAndy #1430166 Mon Nov 15 2021 01:23 AM
Joined: Mar 2010
Posts: 10,076
5
'Bolter
Originally Posted by HandyAndy
Joe H: I'll shoot for that .010" to .020" range for end play. Do you have a source that you can share for those bushings? I'll have to look these distributors over closely. Hopefully, I won't need to replace the bushings. I'm aware of the alignment mark and the rotor orientation. Good reminder, thanks!

Jerry: The needle bearing sounds interesting. However, the bushings should suffice for my purposes.

fixite7: You are very fortunate to have an auto salvage yard that not only has the parts you need, but they turn you loose too! The pick-n-pull salvage yards are long gone in my neck of the woods here in Iowa, or paradise as 52Carl fondly refers to Iowa.........right Carl? I suppose turning people loose in a salvage yard is a 'big liability issue' these days, or so I've been told.

My thanks to all,

Compared to Missouri, you bet.

Re: GM HEI Distributor Shaft End Play
HandyAndy #1430210 Mon Nov 15 2021 02:59 PM
Joined: Feb 2000
Posts: 4,445
J
'Bolter

Re: GM HEI Distributor Shaft End Play
Joe H #1431663 Sun Nov 28 2021 07:12 PM
Joined: Dec 2018
Posts: 1,462
F
'Bolter
Joe H Hey say that again about align the dot with the pointer on the rotor !! Never heard of that yet,My HEI's mostly have the gear turned over then drill the roll pin hole...at random,shim and assemble put it in maybe shim with gaskets. Been a while cause mine are all running,winch truck set 5 years fired right up.

Re: GM HEI Distributor Shaft End Play
HandyAndy #1431665 Sun Nov 28 2021 07:21 PM
Joined: Dec 2018
Posts: 1,462
F
'Bolter
HandyAndy Yes it's great to have a junkyard where you can shop on your own,it's just covered with stuff!!

Re: GM HEI Distributor Shaft End Play
HandyAndy #1431724 Mon Nov 29 2021 03:25 PM
Joined: Feb 2000
Posts: 4,445
J
'Bolter
On the gear, there is normally a dot machined in to the side, this aligns with the rotor pointer. It aids the installer when aligning the oil pump drive shaft to the distributor gear drive. ( 99% of what I work on is Pontiac stuff, so this maybe related to them ) If you know where the dot and rotor are, you can turn the oil pump drive so they mess together with out rotating the engine or taking multiple stabs at it.

Re: GM HEI Distributor Shaft End Play
HandyAndy #1432054 Thu Dec 02 2021 12:51 PM
Joined: Dec 2013
Posts: 1,051
Former BMW Rider
Here's a pic of the alignment dot.

Attached Files
GM HEI Distributor Gear.jpg (283.09 KB, 69 downloads)

Andy

His: 1947 Chevrolet 3104 [flic.kr]
Hers: 2008 American Saddlebred [flic.kr]

"I proudly Stand for the Flag and Kneel for the Cross" Unknown
Re: GM HEI Distributor Shaft End Play
HandyAndy #1447477 Fri Apr 08 2022 10:16 PM
Joined: Dec 2013
Posts: 1,051
Former BMW Rider
I finally got some garage time in this afternoon. A local farm store had those 1/2" machinery bushings, so I filed them a bit to get the needed clearance. There are two shims placed above the distributor gear which leaves me with 0.010" of distributor shaft end play. This quite an improvement from the 0.125" that I started with........

Thanks to all,

Attached Files
HEI Distributor with Shims.jpg (259.6 KB, 49 downloads)

Andy

His: 1947 Chevrolet 3104 [flic.kr]
Hers: 2008 American Saddlebred [flic.kr]

"I proudly Stand for the Flag and Kneel for the Cross" Unknown
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