Re: NGK V-Power a good choice for MAGNUM 318? - 07/07/1604:36 PM
Im with Gus.We used a lot at the shop.Run them in almost all we have also.Last set in my 440 went at least 5 years.Just replaced them as maintaince.They were still looking good.Rocky
Re: NGK V-Power a good choice for MAGNUM 318? - 07/07/1606:13 PM
Stay with the stock heat range, Adam71.
I tried a colder NGK in my 360 Mag and found the off-idle response was a little soft. Went back to new Champions with the proper number and it came back.
Re: NGK V-Power a good choice for MAGNUM 318? - 07/08/1607:17 PM
I use NGK in every car I put plugs in in my repair shop, I have seen just about every plug brand with a bad "new" plug. Bosch are the worst we have to fix mis-fires caused by other people putting in new bosche plugs probably once a month on average. Autolite Delco and Champion are usually ok but ocasionally we see an issue with one of them.
Re: NGK V-Power a good choice for MAGNUM 318? - 07/08/1608:49 PM
I went to extent of checking resistances in a variety of manufacturers new unused plugs all same application. The only consistent plugs were ngk's all about 5000 ohms. Others were wildly variable in several cases. I put some ngk's in one of my darts and immediately saw improved starting and engine runs a wee bit cooler as well, (slightly colder plug installed too). I won't use anything else after that. Small engines run better with ngk's too in my experience.
Re: NGK V-Power a good choice for MAGNUM 318? - 07/09/1602:13 AM
Dave Ill agree Bosch are total crap.In 30 years at the shop I dont know how many setsI had to replace because they ran like s--t.Peopl pay big bucks for them and total trash.Only say 1 car that ran with them.Oh yeah my kid put a set in a 61 Dodge he had.Only thing he could get at the time.Didnt wabt to start idled bad poor power etc.I got some Autolites i had used put them in and it started super quick ran great and ideled fantastic.Now we run almost all NGKs.Rocky