Really?? Everyone always tells me that it is a job for pros, but then again, I dont think any of them have ever tried to do it. I just got my Victoria British catalogue, and apart from being blown away by the rediculous prices, I was intruiged by that glass topped spark plug they sell so that you can see the colour of the flame when tuning, seemed interesting.
Sunday, May 19, 2002, 12:06:56 PM, you wrote: SL> Apart from a length of hose and the calibrated ear :-), I never used SL> any special equipment for the Hitachi's. Simply remove the SL> aircleaner, and listen (using the hose in the carb inlet) until they SL> 'sound' the same and idle is stable. If you want, a UniSyn or SL> something like that will probably give a really accurate synch, but I SL> found my method worked quite well..... >>Hello Steve, >> >>How hard is it to balance the carbs on a zed? What is the equipment >>required worth to buy? >> >>Sunday, May 19, 2002, 11:37:25 AM, you wrote: >> >>>>Hi list, >>>> >>>>one of the welsh plugs on my 240z is leaking, its the one on the >>>>pasanger side closest to the firewall so it is farely easy to >>>>access, are these easy to change or should i get someone who knows >>>>what they are doing to do it? >>>> >> >>SL> Not difficult to do, but if your not sure perhaps get someone to >>help who has. >> >>SL> This is the procedure I've used with success: using a suitable drift, >>SL> tap on one edge of the welsh plug to eventually push it in (that's >>SL> right _in_) and you can rotate the plug 90 deg (so that an edge is >>SL> facing out of the block), then grab the edge of the plug with a pair >>SL> of multi-grips and lever the thing out. Don't worry if you knock the >>SL> whole plug into the block, it can't go far..... >> >>SL> Putting the new plug in is just a matter of making sure all mating >>SL> surfaces are clean (esp in the block), smearing the edge of the plug >>SL> with some silcone sealer (_small_ amount), then tapping the thing in >>SL> place using something like a socket that closely matches the ID of >>SL> the plug. Try to keep the thing as square as possible. >> >>SL> Few other things to think about: >> >>SL> 1. if one plug is leaking the rest will be in a similar condition, or >>SL> close to it.....so perhaps do them all (??) >> >>SL> 2. use brass welsh plugs as replacements - the ones on the side of >>SL> the block are 35mm OD, from memory. >> >>SL> 3. it will probably be easist to remove all the manifolding to get to >>SL> the plug (I'm assuming a RHD car here). It is _very_ common to find >>SL> the rear exhuast manifold stud to be broken, and sometimes the front >>SL> as well..... >> >> >> >>>>Also I have the standard twin hitachis on it and was wondering >>>>whether it is worth reconditioning them or whether I should just get >>>>some webbers? its a pain atm to start as it just keeps dying like >>>>its starving for fuel... And just another thing, sometimes you >>>>reveal alot of problems when you steam clean your engine :) I've had >>>>both heater hoses go on me... maybe this could be a vacuum pipe or >>>>something too? >> >>SL> The Hitachi 'SU's' are actually a pretty reliable carb, and not bad >>SL> as a performance carb either with the right needles, even on a >>SL> 'worked' L28 (there are a few examples of 100+ RWkW engines in the >>SL> NDSOC using these carbs). Personally I would say that, unless your >>SL> engine is highly worked, I would stick with the SU's (of course, if >>SL> they are totally knackered that is a different matter, but a good >>SL> set of triples is going to set you back around $1000). One of the >>SL> problem areas with the Hitachi's is that the throttle shafts and >>SL> bushes wear leading to leaks and erratic running, and this can be >>SL> expensive to repair. >> >>SL> If the engine hoses are this bad, I'd suggest going over the thing >>SL> with a fine toothh comb and even complete replacement (consider it >>SL> insurance....) >> >> >> >> >>-- >>Best regards, >> Bob mailto:[EMAIL PROTECTED] >> -- Best regards, Bob mailto:[EMAIL PROTECTED] --membersozdat------------------------------------------------------- OZDAT Mailing List Please Note:- Send (un)subscribe requests to [EMAIL PROTECTED] Send submissions to [EMAIL PROTECTED] No unauthorised redistribution of this email http://www.ozdat.com/ozdatonline/index.htm http://www.ozdat.com/ozdatonline/listindex.html http://www.mail-archive.com/[email protected]/ ---------------------------------------------------------------------
