spark plugs and wires

[RichieRich]

i got a 75 merc 165 and i am going to get spark plugs and wires can i go get them at any autoparts place or do i need to get special plugs for marine

 

[nola mike]

Re: spark plugs and wires

not sure of your specific application, but no specific marine plugs. check your owner's manual...

 

[RichieRich]

Re: spark plugs and wires

dont have a owners man.

its a 75 gm straight 6 so im a car mechanic and i can get this for cheap at a autoparts place but i dont know if there is a big difference

 

[Rocky_Road]

Re: spark plugs and wires

dont have a owners man.

its a 75 gm straight 6 so im a car mechanic and i can get this for cheap at a autoparts place but i dont know if there is a big difference

Marine plugs will be a WHOLE lot easier to replace down the 'road'.

But...if you plan to change them at the beginning of each boating season, then it probably won't matter.

A plug wire is...a plug wire!

Happy boating!

 

[ziggy]

Re: spark plugs and wires

dont have a owners man.

go to the adults only sticky thread at the top of the i/o forum. look at #9. choose s/m #2. it will have the info in it ya need to service your engine and drive.

you need MR43T spark plugs or equivilant. the m stands for marine. fwiw, i use ngk, br6fs which i believe are equivalent.

good quality plugs wires are good. best i know, nothing particularly marine about plug wires. (one of the few items this can be said for)

generally speaking. stay out of the auto parts store when buying parts for boats. auto parts and boats don't mix. if you do end up at the auto parts store. be sure to specify and get marine rated parts.

 

[excalibur1031]

Re: spark plugs and wires

I order all my marine parts from my local NAPA. They have a marine catalog and can pretty much get anything you need. Just ask to see the catalog. It's also a heck of alot cheaper since we have a commercial account from our auto shop. The parts are the same that you would get from anyone!!

 

[Don S]

Re: spark plugs and wires

The parts are the same that you would get from anyone!!

No they aren't. You are getting Sierra aftermarket parts from NAPA, not OEM Mercruiser parts.
BIG-Huge difference in most parts.

 

[nola mike]

Re: spark plugs and wires

you need MR43T spark plugs or equivilant. the m stands for marine. fwiw, i use ngk, br6fs which i believe are equivalent.

.

hmm, is that just for that engine? my engine calls for champion rv9yc, ac r42ts, or quicksilver plugs. don't think the champions or ac are marine...

 

[mkast]

Re: spark plugs and wires

http://www.acdelco.com/parts/spark-plugs/identification.jsp

 

[Rocky_Road]

Re: spark plugs and wires

hmm, is that just for that engine? my engine calls for champion rv9yc, ac r42ts, or quicksilver plugs. don't think the champions or ac are marine...

The Champion is definitely a marine plug.

 

[nola mike]

Re: spark plugs and wires

The Champion is definitely a marine plug.

only thing i saw on the champion website lists that plug as "racing". doesn't seem like the ac is marine though. but anyway, according to champion's site, the marine plug has SS threads and a few other differences of unknown (to me) significance. not sure what the standard thread material is.

 

[betayv]

Re: spark plugs and wires

like don say NApa sells sierra that is marine aftermarket, if you need wires napa have belden marine spark plug wires and echelin marine for ignition, carquest have prestolite marine wires and standar marine for ignition they both good and fair prices, that is if you want aftermarket....

 

[Bondo]

Re: spark plugs and wires

hmm, is that just for that engine? my engine calls for champion rv9yc, ac r42ts, or quicksilver plugs. don't think the champions or ac are marine...

Ayuh,... That's because that's the Wrong #... It should be MR43TS....
The "M" is Marine, which uses an alloy body, not steel...

 

[nola mike]

Re: spark plugs and wires

Ayuh,... That's because that's the Wrong #... It should be MR43TS....
The "M" is Marine, which uses an alloy body, not steel...

i got that from s/m #8, page 1b-3 (see pic)

 

[Bondo]

Re: spark plugs and wires

Ayuh,... That may be,... I'm just tellin' ya which 1s are Marine rated...
The prefix "M" means it's the same plug, with an Alloy body...