BMFC, Tiiming, and Coatings

[Shannen Durphey]

So you have no faith in piston ring manufacturer's dyno claims?
Shannen

Programmer wrote:
> 
> Greg,
> 
> The only problem with testing like that is the motor had to be torn down to
> perform the experiment. I'd put little faith in a 15 degree change when a
> complete teardown would have had to be done to perform the work.
> 
> Lyndon IP TECH
> -----Original Message-----
> From: Greg Hermann <bearbvd at sni.net>
> To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
> Date: Saturday, May 15, 1999 8:11 AM
> Subject: Re: BMFC, Tiiming, and Coatings
> 
> >>Has anyone run any "independent" testing on these barrier coatings for
> what
> >>they actually have seen as an improvement pre+post coating?.
> >>  Has any one run any endurance tests?.
> >>Do I need mention that this might need a complete recal to get right.
> >>Bruce
> >
> >A fellow I spoke with at HPC told me that they ran a dyno test of a fairly
> >typical hipo 350 CID Chebby first with no coatings, then with coating only
> >on the piston crowns. Said that--with no other changes, the steady state
> >oil temperature at sustained full load dropped 15 degrees F.
> >
> >Greg
> >
> >
> >