[TR] TR4 DELCO ALTERNATOR MOD

[Cliff Hansen]

I’d guess that’s a Quinton-Hazel pump. I’ve got one, uses a press-on pulley.


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From: Dave<mailto:dlhogye at comcast.net>
Sent: Thursday, September 10, 2020 5:42 PM
To: staffel<mailto:staffel at comcast.net>
Cc: triumphs at autox.team.net<mailto:triumphs at autox.team.net>
Subject: Re: [TR] TR4 DELCO ALTERNATOR MOD

Excuse me, but it looks like your water pump pulley is missing the nut, and there should be a threaded stud protruding there too.  Just in case you may haven't noticed.
Dave H.

Sent from my iPad

On Sep 10, 2020, at 2:31 PM, staffel <staffel at comcast.net<mailto:staffel at comcast.net>> wrote:
Hi again Jim. Years ago modified my TR4 to 60 amp (?) Standard Delco alternator. I MODIFIED THE ORIGINAL VOLTAGE REGULATOR BOX, Keeping the Box in place so it looks original.Can send you pics of the regulator changed inside. I did  Document  and shared with this list at the time. And a couple members made some comments. I also  had a whole write up & pics on the web; but Comcast/ home.net<http://home.net> didn't save my website when Comcast evolved ( no notifications) & all my jpegs were on floppy disks.
Dating the Mod. Had to be @ 1998-2000.

Now the GM alternator comes with a  pulley that takes a thin belt. So I used & modified my original TR4 pulley to the shaft of the Delco alternator.
Then I measured to find a belt that would work with the Alternator mounting brackets.
I first found a farm tractor belt & had mm markings, but replaced with THIS NAPA BELT 25-24379.

I need to do some cleanup & repainting but I used a threaded rod  with washers/nuts for the alternator pivot into the original TR block bracket on the bottom. For the top bracket I can't remember if it was the original TR generator bracket or one I sourced from an old GM Mercruiser 260 engine. But that's the easy part. The key was the pulley &  belt mod as I wanted to keep the TR4 original size  crank pulley & water pump pulley
Sherman
If you want more pics, you have my cell 410-302-3930 & email.
Sherman

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