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Which damn plug?

2K views 18 replies 6 participants last post by  Feo 
#1 · (Edited)
why does Autolites come in 3 different plugs for the V6?

'99 - 764's
'00,'01 - 765's
'02,'03,'04 - 605's

what the hells the difference? Also, i thought the 764's were one heat range colder, for nitrous applications.

which ones are equivelent to the motorcraft 42c's?

Gracias.
 
#4 ·
Feo said:
why does Autolites come in 3 different plugs for the V6?

'99 - 764's
'00,'01 - 765's
'02,'03,'04 - 605's

what the hells the difference? Also, i thought the 764's were one heat range colder, for nitrous applications.

which ones are equivelent to the motorcraft 42c's?

Gracias.
Get the ones for your year car and if you are using nitrous go one range colder or just get Motorcraft like SpectorV said!!!!
 
#9 ·
is Feo dissing Ford? can you say BANNED? :lol:
 
#11 ·
Danger Dude said:
There are some changes in programming and timing that play a part. Also the polution control of cars even though the same engine changes year to year. There are many varibles that could change plug requirements
i was just wondering why ford wouldn't do what autolite is doing, since
they're notorious for the rapings! :D

-fEO-
 
#15 ·
stangin99 said:
I use the 605's

I dunno what temp they are (probably stock) but they're a longer thread than the 764/765's.

When I get nitrous I'll probably go buy some denso's.
see, that's what i've got in my '99, i did have 765's and they seemed to burn a little better, but i'd like to know for sure what
plug is suppose to be in my engine. what auto part stores sell motorcraft?
 
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