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Would anyone happen to know if the inlet manifold for the preunit, all aluminium t100 wa unique to that model ? I need one and looking on fleabay most of the pre unit manifolds have completely different bolt hole positions, where they go onto the cylinder head.

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'Fraid so, E3307 part number with the offset holes, used on the TR5 as well, but no help there. Not sure if the casting number on the manifold is the same.

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Does anyone happen to know where i might find a manifold ? I am scouring ebay UK, America etc, the usual parts sellers etc. No sign. I don't want to fit twin carbs to this engine, don't want the hastle.

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Just had a look in my workshop, and I think I have one! The hole centres are 3 1/4" at the top and 2 1/4" at the bottom, I thought there might be a casting number, but no. You can try PM ing me, but I'm too tight to pay for the privelige of extra PM's. I do post on the RAT forum as well as Mick Barratt, funnily enough, my name, PM works on there!

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Originally Posted by TinkererToo
Just had a look in my workshop, and I think I have one! The hole centres are 3 1/4" at the top and 2 1/4" at the bottom, I thought there might be a casting number, but no. You can try PM ing me, but I'm too tight to pay for the privelige of extra PM's. I do post on the RAT forum as well as Mick Barratt, funnily enough, my name, PM works on there!

Thanks, just checked though, the stud centres on the top are 4" and 2" on the bottom. I don't know what machine that one you have is off, must be small, 350cc maybe ? 3T ?

I did come across one in California on ebay and am waiting for the seller to tell me the part number on it, cannot make it out with my eyesight.

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Could be 3TA or 5TA, I've had niether, but I've got stuff I can't even remember!

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With all the hassles of shipping these days it might help if you list where you are located.


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Originally Posted by Boomer
With all the hassles of shipping these days it might help if you list where you are located.


Bill B...


Yeah sending anything is a royal pain in the fundament these days. I am in Dublin Ireland.

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Just an aside, don't get too hung up on the number, just go for the dimensions. Any number will be a casting number, which may be different from the part number - that's certainly the case on some 650 manifolds.

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Bump, still looking for one.

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How about this one?Link

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Originally Posted by TinkererToo
How about this one?Link


Hmmmm, i was on their site a short while ago and didn't see that. Thanks.

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Don't know if you ever got one, but here's another! eBay

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Thanks for that TinkererToo

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Just seen this one, mis-labelled too!HERE


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