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Re: HEI installation problem
tfisher #1373779 Mon Aug 17 2020 04:32 PM
Joined: Aug 2017
Posts: 33
T
tfisher Offline OP
Wrench Fetcher
Problem solved. After talking to Tom to determine I had the correct dist. We determined that the problem was inside my block. I was then able to take a socket and extension and careful not to hit the drive gear, I drove the machined bearing surface down into the block until I had the 3 3/16" depth that I needed. After that the distributor slipped right in.

Thanks again for all the help and ideas.

Re: HEI installation problem
tfisher #1373800 Mon Aug 17 2020 05:45 PM
Joined: May 2005
Posts: 7,488
B
General Purpose
Someone explain to me what kind of "machined bearing surface" can be driven down and why it was where it was, whatever "it" is?


Watch out for careful drivers!!!
I'm away on an ego trip. Will be back on Feb 30.
I'm not an Auto Mechanic, but I play one on TV.
I charge $0.02 for every opinion and I take Paypal.
Plan B is always better than plan A, by definition.


Re: HEI installation problem
tfisher #1373805 Mon Aug 17 2020 06:01 PM
Joined: Mar 2014
Posts: 1,665
J
Shop Shark
That's interesting but confusing at the same time. The oil pump mount is the only thing down there but the hole the oil pump shaft mounts into is the same diameter as the distributor shaft, so it would not have kept the distributor from sliding down in any case. (the oil pump is held in place with a screw and a lock nut) So, the only thing that would keep the distributor from going in would be the oil pump shaft (where the distributor tab slides in). Curious, but glad it is solved.


Jon

1952 1/2 ton with 1959 235
T5 with 3.07 rear end
Re: HEI installation problem
tfisher #1373806 Mon Aug 17 2020 06:06 PM
Joined: May 2005
Posts: 7,488
B
General Purpose
Something being unsaid possibly? "A machined surface" does not describe the situation.


Watch out for careful drivers!!!
I'm away on an ego trip. Will be back on Feb 30.
I'm not an Auto Mechanic, but I play one on TV.
I charge $0.02 for every opinion and I take Paypal.
Plan B is always better than plan A, by definition.


Re: HEI installation problem
tfisher #1373807 Mon Aug 17 2020 06:06 PM
Joined: Jan 2020
Posts: 160
P
Shop Shark
Glad you fixed your issue! Geez, and I thought I had it bad that I had to diagnose a bad ignition module in mine!


1957 Chevy Panel Truck, powered by SBC 350 from 1977 Camaro
Author, Bring CHANGE Into Your Life (a truly easy investment tool)
https://www.amazon.com/Bring-CHANGE-Into-truly-investment/dp/1077276869
Re: HEI installation problem
tfisher #1373817 Mon Aug 17 2020 07:58 PM
Joined: Jan 2001
Posts: 5,024
P
Master Gabster
I feel the problem is just starting with this project.
If driving the pump down to give the correct dimension for the distributor, that means the pump is not secured correctly with the lock bolt.
This means any torque applied to the pump is taken up by the engine supply tube. I would keep a close eye on the oil pressure on this engine.


See the USA in your vintage Chevrolet!
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Re: HEI installation problem
tfisher #1373818 Mon Aug 17 2020 08:07 PM
Joined: May 2005
Posts: 7,488
B
General Purpose
.............or something was forced to give......... or bent or broken or sheared or crimped or.........I have a hunch we don't yet have the full story, may be too embarrassing. I know the feeling.


Watch out for careful drivers!!!
I'm away on an ego trip. Will be back on Feb 30.
I'm not an Auto Mechanic, but I play one on TV.
I charge $0.02 for every opinion and I take Paypal.
Plan B is always better than plan A, by definition.


Re: HEI installation problem
tfisher #1373827 Mon Aug 17 2020 09:14 PM
Joined: Feb 2004
Posts: 21,047
H
Boltergeist
Drop the oil pan- - - - -NOW! If you did manage to drive the pump housing lower in the block, you have done serious damage to something. A couple of hours' labor time and an oil pan gasket is a lot less expensive than a wrecked engine.
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: HEI installation problem
tfisher #1373833 Mon Aug 17 2020 09:25 PM
Joined: Aug 2017
Posts: 33
T
tfisher Offline OP
Wrench Fetcher
Yes, that is the plan. I don't want to take any chances with this good running motor.

Thanks again for all the info.

Re: HEI installation problem
tfisher #1373938 Tue Aug 18 2020 04:53 PM
Joined: Aug 2017
Posts: 33
T
tfisher Offline OP
Wrench Fetcher
I pulled the pan this morning and found that when the setscrew holding the pump was screwed in and tightened they missed hole. This left the oil pump high in the block . The old dist was OK with this, but the new one wasn't. So, thank goodness nothing was broke.

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