Jim, that's what I call a prime source of excellent information. It has been
duly bookmarked.
Thanks,
A. C. Tynes
New Orleans
> -----Original Message-----
> From: tigers-bounces@autox.team.net
> [mailto:tigers-bounces@autox.team.net] On Behalf Of Jim
> Sent: Tuesday, August 31, 2010 11:07 AM
> To: rfraser@bluefrog.com; 'Clyde McLaughlin'; tigers@autox.team.net
> Subject: Re: [Tigers] k engines
>
> My Tiger had a 6 bolt HiPo in it when I bought it. The only
> difference in the head casting was that they had 'pockets'
> cast in them to hold the valve springs and they were fitted
> with screw in studs. The valves were the same as any other...
> Here is a VERY good description of the differences... which
> aren't many...
>
> http://www.hipomustang.com/images/hipoeng/
>
> Jim
> B382000446
> .
>
> -----Original Message-----
> From: tigers-bounces@autox.team.net
> [mailto:tigers-bounces@autox.team.net]
> On Behalf Of Ron Fraser
> Sent: August 31, 2010 5:47 AM
> To: 'Clyde McLaughlin'; tigers@autox.team.net
> Subject: Re: [Tigers] k engines
>
> The 289 HiPo is a combination of specific Ford engine
> parts with tighter inspection requirements.
>
> The heads had larger valves, sometimes smaller combustion
> chambers and screw
> in rocker arm studs but I'm not familiar with HiPo cast into
> the head. I'm
> not the expert on HiPo engines but I have not seen that under
> the valve cover.
>
> Hipo cast into the head would be an extra cost for the casting
> process. If the head did not meet inspection requirements
> for the HiPo
> they would have to be destroyed. I don't believe Ford did
> that; if the head did not meet requirements for HiPo engines
> it was most likely put back into the std 289 production line.
>
> Ron Fraser
>
> -----Original Message-----
> From: tigers-bounces@autox.team.net
> [mailto:tigers-bounces@autox.team.net]
> On Behalf Of Clyde McLaughlin
> Sent: Monday, August 30, 2010 5:38 PM
> To: tigers@autox.team.net
> Subject: [Tigers] k engines
>
>
> The crank should have a small extra counter weight just
> behind the balancer inside the timing cover, and the "K"
> referrs to the engine letter code in the chassic number of
> the car, don't believe its on the crank, but maybe it
> is...the heads are machined differently for the valve
> springs, and hi po is casted on to the head, take off the
> valve covers its easy to see, Clyde
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