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On 2 Apr 2003 at 17:24, Andy Holmes wrote: > I need some help on early engines I have a late November 61 T34 > (chassis 0002910). Its original sidedraft carb engine was no 3120 but > it now has a slightly later one with engine number TR 172401. I would have guessed that this was from earlier than Nov 61, since they started in 4/61 and got to 13,000 by the end of 61. Perhaps production ramped up slowly at first, however. > 1 - when was the engine made - without the TR prefix I would have but > it as pre August 63 (it is a side draft engine) My guess is that this case came originally as T 172401, which would have been a 66 dual carb case. This was the first year these were officially imported into the US, so this helps the probability. I'm guessing that someone added the R to indicate a Replacement during a rebuild at some point. Look closely to see if you can see the remains of a zero under the R. > 2 - the manifold on the engine is mangled - any good sources of > replacements in the UK (None with T3D at present) - presume I need to > be careful it fits the right heads and isn't coked up, were early heads > similar to1200cc's? You're probably going to have to repair your originals. A good body man or welder might be able to help you out. I think the early engines had several things in common with the 1200cc beetle engines: Heads were one, cases with the cam running right in the case (no bearings) were another. > 4 - finally the tinwear that goes over the cylinder heads seems to be > different to that on my 65 model, in that at its leading edge there > isn't a piece that drops down through 90 degrees - If you mean at the rear edge (rear is rear) then early engines had separate plates which bolted on there. You should see 2 holes for 6mm screws at the trailing edge where these pieces bolted on. These will probably also be very hard to find. -- ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ------------------------------------------------------------------- List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org