Chrysler 130/in charger 186

[charger 186]

can't seem to find any NGK buh surface gap plugs and the ones reccomended are not surface gap boat does not come out of hole like it used to they are ngk gaped at ,o4o motor runs fine otherwise? Any Ideas?

Thanks

 

[corm]

Re: Chrysler 130/in charger 186

Hi,

The plugs are probably not causing the problem. You could always run some Champions in it if you want the surface gap plugs for it. I run gapped plugs in some of my engines with no ill effects. Your not adding more ice to the cooler are ya? Is there any water in the inner hull or bent prop blades?

 

[Frank Acampora]

Re: Chrysler 130/in charger 186

I recommend you try BUHW or BUHX if you can not find BUH. Champion UL18V or L20 V were the original specified. BUHX is the equivalent of UL18V and I think BUHW is the equivalent of the Mercury L76V plug. You can also try the AC V4FFM or VB40FFM or Autolite 2852 or 2892.

While you may suffer no ill effects, be aware that I have seen Chrysler Engines with neat 1/4 inch holes melted in the piston crowns from bent electrode plugs like the OMC QL77 plugs. Bent electrode plugs are by their very design hotter than surface gap plugs. Thus: As far as I am concerned, you are gambling your engine service life with use of any bent eletrode plug.

If you insist on using a bent electrode plug, at the very least retard the timing a couple of degrees to 28-30 BTDC at WOT and run the low speed needles a tad rich in an efforet to keep the burn a little cooler.