[Tigers] Flywheel

[Smit, Theo]

Years ago, when I got a mini starter for my Tiger, I found the exact same thing – the parts place had a pair of starters on the shelf where one was marked as being for a manual and the other for an automatic transmission. It was the A/T part that had the correct Bendix engagement (to match the Tiger starter).

Cheers,
Theo

From: Tigers <tigers-bounces at autox.team.net<mailto:tigers-bounces at autox.team.net>> on behalf of Tigers List <tigers at autox.team.net<mailto:tigers at autox.team.net>>
Reply-To: "rfraser at bluefrog.com<mailto:rfraser at bluefrog.com>" <rfraser at bluefrog.com<mailto:rfraser at bluefrog.com>>
Date: Wednesday, December 2, 2015 at 1:53 PM
To: 'Tony Lang' <achd73 at yahoo.com<mailto:achd73 at yahoo.com>>, Tigers List <tigers at autox.team.net<mailto:tigers at autox.team.net>>
Subject: Re: [Tigers] Flywheel

Tony
    Exactly.  When I did this work on my Tiger several decades ago I ran the starter drive gear around my new flywheel ring gear by hand and it stop in less than 1 revelation of the drive gear.  I got a new starter drive gear and it work perfectly.

It is imperative that anyone working on these parts to be aware of the problems and check everything for fit and function or you will be redoing your work over and over again.

Most of us don't understand the difference between the 160 and 157 tooth ring gears.  Even worse is that fact that you generally have to order the A/T starter to work on the Tiger engine.
My goal is to sort this out some.

Ron Fraser

-----Original Message-----
From: Tony Lang [mailto:achd73 at yahoo.com]
Sent: Wednesday, December 02, 2015 3:24 PM
To: rfraser at bluefrog.com<mailto:rfraser at bluefrog.com>; tigers at Autox.Team.Net<mailto:tigers at Autox.Team.Net>
Subject: Re: [Tigers] Flywheel

Ron- it is imperative you match the ring gear to correct starter bendix. A parts store without an older employee that is aware of the 157 and 160 tooth flywheel ring gear will sell you whatever starter that will bolt up. Unfortunately it is easy to install a new flywheel but pulling the engine isn't as easy as changing a ring gear. May well be to late for your ring gear but it is easy to change out the bendix so "others" can make sure they have a bendix that matches their ring gear.
TonytheTiger
(TtT)



On Wednesday, December 2, 2015 2:03 PM, Ron Fraser via Tigers <tigers at autox.team.net<mailto:tigers at autox.team.net>> wrote:


I found a comment which makes sense to me.

Flywheel ring gear was changed from 160 to 157 teeth to improve starter gear engagement.

Ring gear OD = 13.258"    circumference = 41.65"
41.65"/ 160 = .26"
41.65" / 157 = .2653"

Maybe this is why my 160 tooth original ring gear was all chewed up.

I have not found a date when Ford made this change to 157 teeth.

Ron Fraser

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