260 = 2.87 stroke / 3.8 bore
289 = 2.87 stroke / 4 bore
302 = 3.06? stroke / 4 bore
that's why 260 pistons are hard to get relative to 289 pistons. because 289
has 302 piston sizes.
also, i _think_ 289 hipo rod is same dimensions as boss 302 rod, as boss 302
used a different crank but i could be wrong. just something i remembered
reading.
On Tue, Dec 8, 2009 at 3:58 PM, Tony Somebody <achd73@yahoo.com> wrote:
> Owain- does the 260 and 289 have the same stroke. I was thinking 260s have
> longer
> rods ?????????????
> --- On *Tue, 12/8/09, Owain Lloyd <owain.lloyd@gmail.com>* wrote:
>
>
> From: Owain Lloyd <owain.lloyd@gmail.com>
> Subject: Re: [Tigers] Con rods
> To: "Athena Scott" <ascott@globalplastics.co.zw>
> Cc: tigers@autox.team.net
> Date: Tuesday, December 8, 2009, 8:29 AM
>
> i thought 260 and 289 rods were the same with the exception of the 289
> hipo?
>
> pretty sure they are interchangeable but perhaps the 289 ones were
> better...
>
> others will no doubt chime in with better info but i don't think it would
> be
> top of my list. are you planning on racing it too?
>
> On Tue, Dec 8, 2009 at 12:04 PM, Athena Scott
>
><ascott@globalplastics.co.zw<http://us.mc304.mail.yahoo.com/mc/compose?to=ascott@globalplastics.co.zw>
> >wrote:
>
> > I bought a Tiger with a 260 motor. It could have been raced, and I am
> told
> > the con rods on the 260 are weak and I should change to 289 con rods.
> This
> > may have happened already. Can anybody tell me how I can distinguish
> > between the 260 con rod numbers as opposed to the 289 con rods?
> >
> >
> >
> > Thanks
> >
> > Derek Scott
> >
> > B9480008
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