[Tigers] Generator Conversion

Gary Winblad garywinblad at comcast.net
Tue Jun 5 08:10:32 MDT 2018


Nice job Jim.
What kind of bracket is that?
Gary

On 6/4/2018 10:53 PM, Jim Buster via Tigers wrote:
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>> On Jun 4, 2018, at 2:05 PM, Joel Martin via Tigers 
>> <tigers at autox.team.net <mailto:tigers at autox.team.net>> wrote:
>>
>> Tym
>>
>> I just completed this conversion recently - multi step process if you 
>> want to keep the voltage regulator in place even though it will be 
>> gutted per Ron Fraziers instructional on one of the tiger websites.
>>
>> I used the following parts:
>> 1.  Old CAT alternator bracket - one piece - they sell a kit now.  
>> Bill Martin makes a real nice MK II reproduction bracket but pretty 
>> pricey.  Also:  The original MK II bracket can be hard to find - 
>> Casting #
>> C5JZ-10151-B
>>
>> CAT sometimes lists a bracket, Reisentz Restoration has an original style
>> bracket and a wire conversion kit.
>> 2. Here is the alternator I used - a 100 AMP USA made 1 wire 
>> alternator but did not like their pulley and fan but they make a nice 
>> black one that  is period correct.
>> <image.png>
>> 3. I also bought a nice Jager faced volt meter gauge from Jim 
>> jim at island.net that matches existing guages nicely for around $105
>> <mailto:jim at island.net>
>> 4. Ron Fraziers write up on TE/TA covers the dummy up of the voltage 
>> regulator and wiring up
>> the dummy light pretty well.
>> 5.  A new fan belt will be needed.  I used Car Quest 15480 after many 
>> tries.
>>
>> Hope this helps.
>>
>> Joel Martin
>>
>>
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>> *Subject:* Tigers Digest, Vol 10, Issue 129
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>>   1. Re: Generator Conversion (Gary Winblad)
>> The beauty of a one-wire alternator is that you don't have to worry
>> about all that.
>> One wire (large) from the alternator to the battery (at the solenoid on
>> a Tiger is a good place),
>> and you are done.  Ok, the light won't work any more, hence the
>> recommendation of a voltmeter.
>> And a fuseable link or fuse in-line perhaps.
>> It automatically starts (at just a little over idle speed) and regulates.
>> If you look at most new hot rods or old competition rally cars or
>> tractors, it is what everybody uses.
>> I and most use a GM style case.  It hangs on a CAT club bracket easily
>> with only a small spacer.
>> Gary
>>
>>
>> On 6/1/2018 9:36 AM, Jay Laifman via Tigers wrote:
>> > I don't know a specific alternator for Tigers. But, I will add that I
>> > put a newer alternator on my Alpine and there is an important wiring
>> > feature that I didn't have right for a very long time.  That is, the
>> > "L" wire from the alternator needs to go to the dash light - it might
>> > be labelled S on some alternators.  Then the other wire on the dash
>> > light needs to go to keyed 12V - no ground for the light.  This does
>> > two things. First, and least important, it allows the light to work
>> > correctly.  Second, and most importantly, it lets power hit and
>> > initiate the coils in the alternator so that it's charging immediately
>> > (the coils serve as ground for the light until the charging starts,
>> > then the 12V at each end of the light turns it off.  If you don't do
>> > it this way, the alternator will work - but it would need to drive a
>> > bit to get it to self initiate the coils.  I drove for years thinking
>> > that the alternator just had something wrong with it, and just lived
>> > with it.
>> >
>> > With this set up the "Warning Light Simulator" box that the Alpine had
>> > is no longer used.  I have no idea if a Tiger has that part.
>> >
>> > I'm assuming there would be a similar potential issue for a newer
>> > alternator for a Tiger.
>> >
>> > On Thu, May 31, 2018 at 4:54 PM, Dr. T. Y. McDowell via Tigers
>> > <tigers at autox.team.net <mailto:tigers at autox.team.net> 
>> <mailto:tigers at autox.team.net <mailto:tigers at autox.team.net>>> wrote:
>> >
>> >    Tigers,
>> >
>> >
>> >    I'm having issues with the generator on my Mk1A.  It's a three (3)
>> >    wire.
>> >
>> >    Can anyone recommend an alternator and include how many wires?
>> >
>> >
>> >    Thanks in advance,
>> >
>> >
>> >    Tym McDowell
>> >
>> >
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