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Johan Boltendal

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Posts posted by Johan Boltendal

  1. My first action would be finding out why the compression is low, do a leak test and there you are. Most likely a burnt or carbon fouled valve only, head off repair and done.

    A holed piston, broken rings or the like, would burn gallons of oil and smoke the neighborhoud

    Why talk off engines out, complete overhaul Multi dollar undertaking if it's most likely only a valve issue. Perhaps you consider how your car stayed in the condition it is Today

    most likely nort by taking it completely apart when ever a small issue surfaced. Botom line: address the problem (any problem btw) accuratly before taking off on massive rebuilds.

    You can be sure if you take it apart everything will be needed, it's 80years old isn't it. Please make the right decision, for your sake and the cars, Johan

  2. Hi Pat

    Sorry, I.m obviously in need of more light, better glasses or both , your right I saw the ? for a 7 the 8 was seen as a 3. The nrs came from the 2014 directory, so proven by you to be accurate when reading them properly that is .

    What I've found on body nrs they do not Always follow our way of sequnec thinking, some times you come upon an early body nr on a much later car ( engine nr wise) and some times the other way around.

    Could also be the V-8 that were build with the 5725 body used the body numbering together with the other engined cars. good luck with your search. Johan

  3. According to the Cadillac directory, that also sports a very accurate nrs section, the nrs are as follows;

    V-12 5725 '34 12 cars '35 37 cars with leather back no quarter windows the nrs being 1 and 17 for cars with a metal back

    V-16 5725 '34 4 cars '35 1 car with leather back no quarter windows no metal backs produced

    Your 5275 V-12 nr 29 should be as intended .

    the V-12 are on the 148 made in 34 and 35 only and the 5725 V-16 sits on the 149 chassis. 10 V-16 bodies being made between 34 and 37 one with a collapsible rear

    Some data that might help a bit, Johan

  4. If what you say is as it is, your vacuum tank is working ok, because if it mt's, it will never be filled standing and running at the first crank after 2-3 minutes. It's almost impossible to fill the tank cranking the engine. your battery will die first.

    Your problem should be vacuum tank to carb or carb related. Did you drill the holes in your rebuild carb with obviously a new valve seat?

    Johan

  5. They didn't use an extra pump when build, no need for it now either. Make a test rig on the bench for the Stewart, if it works ok if not rebuild the Stewart or have it rebuild. and have a look at all the vacuum line connections. Also make sure the fuel tank is clean from rust and debri and the fuel line shouldn't have an air leak either. There must be a fault some where let us know what came out,Johan

  6. Find the process of de hardening steel on the internet, after this make it happen and make a drill leading form, attach this firmly, to prevent the drill going wide.

    Find a diamond drill of the right dimension and grind this in a way it is usable for steel, most diamond drill are for concrete and the are grinded differently.

    Take your time Johan

  7. I agree with David, leave the welding out, the risk is too high and there is no need for it either, follow Davids route with a fine machinist and it will come out

    working as it should.

    Best of it, you still have your carburetor body, not melted down or exploded to pieces. Johan

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