[TR] TR4 + alternator + headers

[Frank Fisher]

Johnit was  PIA.the rear mount of the alternator is not in line with the front.so i made a sturdy bracket that fastened to the mount and then welded another bracket with a slot in it so that it came back to the standard mounting bracket of the triumph.hard to describe in words.had to grind a small amount of the front mounting plate off to get all pulleys to lone up. no big deal on that.also need to get one of the aftermarket wide belt pulley adapters.
the suzuki was a little different.i took one of the aftermarket wide belt pulley adapters and had to machine (lathe) a small adapter plate to fit the smaller diameter shaft of the suzuki. also needed to do a little lathe work on the pulley itself to get the adapter to work.after that i used a 3/8" id thick wall tube as a spacer to get the pulley in the same plane as the rest of the pulleys. easy stuff.also had to cut down the tension arm a little.i made a set of drawings for this adaptation if any one wants it.
both conversions required that you leave the back attachment loose or out until you get the belt over the alternator pulley. 
 
frank



      From: Lee&John Howard <leejohn7 at gmail.com>
 To: Tony Drews <tony at tonydrews.com> 
Cc: triumph list list <triumphs at autox.team.net>
 Sent: Thursday, January 19, 2017 10:09 AM
 Subject: Re: [TR] TR4 + alternator + headers
   
Tony, Randall and Andrew:


Thank you for your very helpful replies.

I'm inclined to the late 70's Chevy option, easily available at my O'Reilly's.  It and the Suzuki's appear to have similar dimensions, altho hard to tell of course from website photos.  Anyway, I'll dry fit the Chevy first.

Tony: Any hints on how you modified the engine bracket to mount the single ear of the Chevy generator?

John

On Wed, Jan 18, 2017 at 9:21 PM, Tony Drews <tony at tonydrews.com> wrote:

Found a couple of additional pics - main page here:
http://www.tonydrews.com/2008- 9Rebuild/2008-9_Rebuild-Engine _Installation.htm

Pics
http://www.tonydrews.com/2008- 9Rebuild/2009_0329EngineInstal lation0002.JPG

http://www.tonydrews.com/2008- 9Rebuild/2009_0329EngineInstal lation0013.JPG

Regards, Tony

At 11:16 PM 1/18/2017, Tony Drews wrote:

I run a GM one wire deal (just use a jumper to make it a one wire setup) and it clears my headers.

http://www.tonydrews.com/2008- 9Rebuild/DSCN0577.JPG

Probably depends on the design of the headers on what fits.

One advantage is if it goes out, any auto parts store carries it.  Needed to make minor mods to the case so can't get core charge back.  Do late 70's Chevy pickup with v8 and I think Bob's your uncle for this setup.

Regards, Tony Drews

At 08:45 PM 1/18/2017, Lee&John Howard wrote:

Listers:

I am so done with the generator and control box ; time for the alternator conversion.

There is a nifty alternator inside what looks like the skin of theTR4 generator ( available at British Parts Northwest and other places, I presume) and I excitedly ordered one. It turns out to be a inch longer in circumference, enough so that it would not fit beside and beneath my headers. I think this would also be the case with the alternators ordinarily used in conversion.

So my question is : has someone with the TR3-4 engine with headers founds an alternator that fits?

Alternatively has anyone switched he position to the LH side?  That would be a neat solution.

Thanks for your help.

John H

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