Mayf
My Service manual lists the piston pin diameter at .9096" -
.9012"(hmm that looks like a misprint; maybe .9112" for the 2nd #), Crank
bearing bore at 2.1720 - 2.1728".
Ron Fraser
-----Original Message-----
From: Larry Mayfield [mailto:drmayf@mayfco.com]
Sent: Monday, October 24, 2011 10:03 PM
To: rfraser@bluefrog.com
Cc: tigers@autox.team.net; tweecer@yahoogroups.com
Subject: Re: [Tigers] HIPO 289 Rods
Both rods look to be a nominal +- 0.003 inches. The typical value for
the 5.0 rods is 5.090 and with the + and - 0.003 you have your
numbers. I suspect they give the range the rods are acceptable in
because no subtraction or addition or arithmetic required? Ditto the
2.3 rods. Except it looks like they may be to 0.0016 + or -. from a
nominal 5.2047 inches. Perhaps the 2.3 rods are beter in that they have
a closer tolerance?
Thanks for the info... I am going to see if I can find big and little
end diameters for the 2.3 rods.
mayf
______________________________
drmayf
Worlds Fastest Sunbeam, period.
204.913 mph flying mile
210.779 mph exit speed
On 10/22/2011 2:55 PM, Ron Fraser wrote:
> Mayf
> My 1988 Mustang Service Manual shows the length of the 2.3L
> connecting rods at 5.2031 - 5.2063 (center to center).
>
> The 5.0L rods are listed @ 5.0885 - 5.0915; so as always printed
> material should be check or measured and never assumed to be correct.
>
> Ron Fraser
>
> -----Original Message-----
> From: Larry Mayfield [mailto:drmayf@mayfco.com]
> Sent: Saturday, October 22, 2011 4:10 PM
> To: rfraser@bluefrog.com
> Cc: tigers@autox.team.net; tweecer@yahoogroups.com
> Subject: Re: [Tigers] HIPO 289 Rods
>
>
> Yep, all true. I have the end caps as well. So I would guess that caps
> and rod make a hipo rod, eh? Yes, for the boss. Same 5.155 inch rod.
> Didn't know about the 2.3 turbo fitment though.
>
> mayf
>
> ______________________________
> drmayf
> Worlds Fastest Sunbeam, period.
> 204.913 mph flying mile
> 210.779 mph exit speed
>
>
> On 10/22/2011 1:00 PM, Ron Fraser wrote:
>> Mayf
>> According to Bob Mannel's book; the std 289 rod, casting # C3AE-D
> was
>> used in the std and HiPo 289 engines. The difference was the end cap
>> and the bolt. The HiPo uses an end cap with more material and a 3/8"
>> bolt.
>>
>> I have another reference that states this same rod was used in the
>> Boss 302 engine and in the 2.3L turbo engines. I see no listing for a
>> HP rating associated to the rods.
>>
>> Ron Fraser
>>
>>
>> -----Original Message-----
>> From: tigers-bounces@autox.team.net
>> [mailto:tigers-bounces@autox.team.net]
>> On Behalf Of Larry Mayfield
>> Sent: Saturday, October 22, 2011 12:12 PM
>> To: tigers@autox.team.net; tweecer@yahoogroups.com
>> Subject: [Tigers] HIPO 289 Rods
>>
>>
>> Couple of questions:
>> What's the going price for a set of 289 hipo rods these days, without
>> the rod bolts (I have a set of 8 I may want to sell)? How much HP can
>> they handle (I may just put them into the hipo 260 I am
>> building) ?
>>
>> mayf
>>
>
>
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