thanks mate guess when the set of plugs I am running gets thin electrodes, ill have to buy a new harness (500$usd, approx). anyone have any standard for retiring a set of plugs ?
On Sun, May 7, 2023 at 7:32 PM Rob Thompson <[email protected]> wrote: > Hi Tom, > I tried again phoning that place in Sydney which had the WB4a plugs > listed. Also emailed. > Still no answer during business hours and they give the impression of not > trading anymore..... which may explain why a long discontinued plug is > still on their site. > I will keep trying but I think it is a dead end but will let you know if I > have any success. > > For anyone thinking of swapping to NGK plugs, remember their heat range > numbering is the opposite way around to Bosch, > > regards > Rob > > Rob Thompson > 0429 493 828 > > > > On Sun, May 7, 2023 at 11:24 PM Nigel Baker <[email protected]> > wrote: > >> The engine manual says the spark plug gap is 0.4mm -0.5mm >> >> For low ambient temperature they recommend a gap of 0.3 mm- 0.4mm >> >> >> >> Limbach changed to automotive style plugs after Eyquem ceased production. >> >> They were a modern style auto plug with a conductor ring below the >> electrode and 3 earth legs. >> >> Later they changed to 2 earth legs. >> >> They are not shieled but do have capacitors built in to reduce radio >> interference. >> >> The plugs use a different ignition harness which is shielded. >> >> After a couple of years some customer complained of interference and the >> numbers were noticeable. >> >> I have not seen that problem here in oz and have sold many new style >> harnesses and plugs with good feedback. >> >> >> >> The result was that Limbach reissued the old style harness again and >> sourced shielded double earth style plugs. >> >> So you have a choice. Both types of plugs are branded “Limbach” and of >> course are approved as are the harnesses. >> >> The liquid cooled versions of the L2400 use a completely different plug. >> Different heat range. >> >> I have a lot of the new style auto type plugs and 3 of the fully >> shielded. Odd number I realize. >> >> >> >> Hope that clears things up. >> >> It is always best to refer to the approved data from the manufacturer. It >> is available on the Limbach website in the bulletins. >> >> Cheers. >> >> Nige. >> >> >> >> >> >> *From:* [email protected] <[email protected]> *On >> Behalf Of *Ian Mc Phee >> *Sent:* Sunday, May 7, 2023 9:49 PM >> *To:* DOG LIST <[email protected]> >> *Subject:* Re: [DOG mailing list] Re: Spark plugs? >> >> >> >> I have used for years NGK B6HS and are, available at the local corner >> store in Australia. They are conventional car plugs and good for 150hours. >> I usually replace once a year as they are so cheap. >> >> >> >> I use there washer plus the CHT copper ring as this prevents the plugs >> sticking thru too much in head. I use MGL digital CHT and monotor all 4 >> cylinders. Great engine insurace policy. >> >> >> >> I gap at 0.48mm as gaps only get bigger with time. The gap is supposed to >> be 0.5mm >> >> >> >> The Limbach plugs are good for 500hrs I believe and are very good. >> >> >> >> Ian McPhee >> >> +61 428847642 >> >> >> >> On Sat, 6 May 2023, 12:21 pm Rob Thompson, <[email protected]> >> wrote: >> >> >> >> No answer. It is Saturday afternoon on this side of the date line. >> >> I will give them a call on Monday morning. >> >> regards >> >> Rob >> >> >> >> Rob Thompson >> >> 0429 493 828 >> >> >> >> >> >> >> >> On Sat, May 6, 2023 at 10:29 AM Kristin Nowell <[email protected]> >> wrote: >> >> hi Rob, >> >> one wonders if they actually have them...the pictured plugs have an >> incompatible plug/harness interface, ?????????????????????? Maybe you could >> ring them and find out 🤤 Pretty please, with sugar on top. >> >> Remember, the original harness had a wb4a compatible interconnect which >> screws on (10nm torque, 19mm crows foot spanner and a 11mm open end spanner >> to prevent lead twisting) not a push on nipple pincher / terminal nut. >> >> Cheers Master, >> >> Slacko. >> >> >> >> On Fri, May 5, 2023 at 6:44 PM Rob Thompson <[email protected]> >> wrote: >> >> These guys in Australia have them listed >> http://allpartsautomotive.com.au/online-store/WB4A.HTM >> >> regards >> >> Rob >> >> >> >> Rob Thompson >> >> 0429 493 828 >> >> >> >> >> >> >> >> On Sat, May 6, 2023 at 8:33 AM Kristin Nowell <[email protected]> >> wrote: >> >> there are 4 for sale on eBay by a German profiteer for 220 euros. I had a >> big box full of them but they sold out quickly. looks like you'll have to >> buy a new slick harness to go with the new style plugs.$$$$ >> >> I am currently on my last four wb4a'sbefore I change over. >> >> >> >> On Fri, May 5, 2023 at 6:17 PM Michael Stockhill <[email protected]> >> wrote: >> >> Thanks immensely, Rob >> >> >> >> On Fri, May 5, 2023, 3:47 PM Rob Thompson <[email protected]> >> wrote: >> >> Here is the link to the Limbach service bulletin when they changed from >> the Bosch WB4A to Eyquem plugs. >> >> >> https://limflug.de/en/support/downloads.php?type=technicalBulletins&id=905.700.051.005.pdf&action=download >> >> >> >> ....and then they changed to their own Limbach branded plugs. >> >> >> https://limflug.de/en/support/downloads.php?type=technicalBulletins&id=905.700.063.505.pdf&action=download >> >> >> >> I suspect the changes were for commercial rather than technical reasons. >> >> >> >> regards >> >> Rob >> >> >> >> Rob Thompson >> >> 0429 493 828 >> >> >> >> >> >> >> >> On Sat, May 6, 2023 at 6:38 AM Michael Stockhill <[email protected]> >> wrote: >> >> Oops. The Bosch number is WB4A that I have. >> >> >> >> Michael >> >> >> >> On Fri, May 5, 2023 at 11:56 AM Michael Stockhill <[email protected]> >> wrote: >> >> My Eyquem A755 spark plugs are aging about the same as me. I am looking >> for a substitute. I have some Bosch EBC G7. Are they suitable? Does >> someone have a suggestion for replacements? >> >> >> >> Thanks >> >> >> >> Michael Stockhill >> >> Polson, MT USA >> >>
