there's NO recommended spark plugs to use... but my preference is NGK BP6ET
(3 prongs plug) I use them on all my vans.

I don't know the stock ratio... you have to ask Marco for that.

dan

On Wed, Jun 12, 2019 at 7:45 AM Pat Spragge <spraggepat@gmail.com> wrote:

> A couple of questions...
>
> Regarding the injectors, is there a preferred spark plug to use? Is there
> any need to change timing from the standard setting?
>
> ...and the rockers, what is the stock ratio?
>
> Thx,
> Patrick
>
> > On Jun 11, 2019, at 9:46 PM, Dan N <dn92610@gmail.com> wrote:
> >
> > hi Dean,
> >
> > my observations here are subjective, some of us may agree, some not... so
> > take it as they are...
> > on our 2 vans, my son's 2WD tintop and my Syncro tintop, both 2,1 WBX...
> > we installed Marco's fuel injectors on both..
> > - it was big improvement in responsiveness  in acceleration on passing on
> > freeway at 55mph and up...
> >
> > we installed later on a set of 1,25 rocker arms from Marco on both
> > engines...
> > - it's even better... idle is smoother...
> > - we feel we have more HP
> > - requiring less downshift on uphill grades
> >
> > so... please take it as is... if you got a set and don't have the same
> > result... please don't blame me...
> >
> > I'd recommend the Marco's injectors first then later 1.25 rocker arms...
> >
> > regards
> >
> > dan
> >
> >> On Tue, Jun 11, 2019 at 8:57 PM OlRivrRat <OlRivrRat@comcast.net>
> wrote:
> >>
> >>                Dan
> >>
> >>        What do the Marco 1.25Rockers do for You ~
> >>
> >>> On 11 Jun , 2019, at 8:38 PM, Dan N wrote:
> >>>
> >>> I don't use FB... I am not sure if I posted or mentioned some of the
> >> items
> >>> I like... here's a recap:
> >>>
> >>> - stainless steel coolant hoses
> >>> - all the silicone hoses around the engine
> >>> - Marco fuels injectors
> >>> - Marco 1.25 rocker arms
> >>>
> >>> dan
> >>
>