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Hi Torque Starter Motor


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Hello, searched the form but the advice isn't, or clear enough for me. I have upgraded my clutch to the 8 and a half inch clutch and cover, does this mean I have the TR6 ring gear?, or how do I work out which ring gear I have as I replaced my flywheel with a second hand lightened on, any advice welcome, Thanks, Andrew

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Hi Andrew ~

 

Is your ring gear bolted or heat shrunk on the flywheel?

I've recently renewed my clutch on the 3A to a diaphragm type (4A) and a Laycock pressure plate and

fitted a lightened steel flywheel.

My ring gear is bolted on just like a 4A. I also have a high torque starter motor.

If you'd like some photo's of my set-up then please PM me your eMail address.

 

Tom.

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Hi Tom, unfortunately, I am doing this arse about face, I replaced the clutch etc last year and am doing the starter motor (amongst other things) this year, so the engine and gearbox are connected up and in the car, I have removed the old starter so have attached a picture of what bit of the ring gear I can see, does that help?, thanks, Andrew

 

 

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Hello Alec, this is what happens when you start changing things, there appear to be two types listed, one for a standard 4A with bolt on ring gear and on for a 4A with TR6 ring gear

 

Triumph TR2-TR4A (TR6 ring gear) LMS007 Denso 1.0kW

Triumph TR3A with bolt on r/g TR4/4A LMS006 Denso 1.0kW

 

It appears the difference is one tooth and that tooth is a very important tooth so I need to get it right, I was hoping that the photo would help but it appears not, it looks like my starter motor upgrade will have to wait until I have the gearbox out, I think it is the TR6 ring gear but not sure if you can tell the difference peering through the hole the starter motor goes into, Cheers, Andrew

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You can count the teeth if you mark a tooth put the car in 4th and push it and mark and count off until the original marked tooth comes around.

 

Mick Richards

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Hi Andrew,

 

logically you should have post-50K 3A through 4A ring gear, bolt-on, 202834 on a 4 cylinder engine with diaphragm clutch and matching flywheel.

 

Unlikely to be an earlier shrink-on ring gear 201454

 

Nothing to do with the 6-pot ring gear 201350

 

Cheers

 

Alec

Pain is that 201350 will fit where a 201454 will go. Think Vanguard here that used the bomb starter but a smaller bendix gear.

 

Peter W

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Hi

The starters have a 9 or 10 tooth pinion. Best advise is to count the teeth on your current starter and get that. As you know, the cars age or engine number is not a good indication of the parts currently fitted. I have a 1960 TR3A but it is fitted with a TR2 flywheel (pressed on ring gear) and a TR6 pressure plate

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