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Re: [Tigers] 260 for the 21 century

To: "<rfraser@bluefrog.com>" <rfraser@bluefrog.com>
Subject: Re: [Tigers] 260 for the 21 century
From: Scott Hutchinson via Tigers <tigers@autox.team.net>
Date: Fri, 19 Jun 2015 16:58:23 +0000
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Cc: "spmdr@juno.com" <spmdr@juno.com>, "tigers@Autox.Team.Net" <tigers@Autox.Team.Net>
Delivered-to: mharc@autox.team.net
Delivered-to: tigers@autox.team.net
References: <AABL2JLC8AZ9U5ZA@smtpout03.vgs.untd.com>, <FD31F53CBFA94CB1873B60261E279186@ronpc1>
Thread-index: AQHQqp1pOBkecJcEeUiHm8BNwk1t8p20Px4A///N9B4=
Thread-topic: [Tigers] 260 for the 21 century
All

I am running a comp cams hydraulic roller in my 260. 

If I remember correct I used 1.67 intake valves when I rebuilt the heads. 

Screw in studs, roller rockers, etc...

The cam specs are intake.448
Exhaust .443

Duration at .006 tappet lift
Intake 260
Exhaust 265

Valve timing intake open: 0 btdc close 31 aboc
Exhaust open 38 bbdc 2 atdc

I have stock Pistons.  Heads were milled slightly when redone. 

I had to retard the cam a bit to get the clearance I wanted.  

Runs great.  F4b. 1848, etc. 

Sent from my iPhone

> On Jun 19, 2015, at 11:58 AM, Ron Fraser via Tigers <tigers@autox.team.net> 
> wrote:
> 
> DW
> 
> I hope sometime in the future you write the Long Story with part numbers and
> Dyno numbers.
> 
> Ron Fraser
> 
> -----Original Message-----
> From: Tigers [mailto:tigers-bounces@autox.team.net] On Behalf Of spmdr---
> via Tigers
> Sent: Friday, June 19, 2015 11:34 AM
> To: tigers@autox.team.net
> Subject: [Tigers] 260 for the 21 century
> 
> 
> I JUST finished a "260" rebuild.
> 
> ...I started on the story, but it's not done yet.
> 
> Short story:
> 
> -Roller cam.
> -Roller rockers
> -stock (new) pistons, no valve cuts.
> -stroked crank.
> -new rods
> -9.6 compression.
> -stock iron heads, with some help.
> -early LAT / CAT headers.
> -air gap intake.
> 
> It runs good, We'll see what it does at the CAT Dyno day, Hopefully...
> 
> The owner is moving so the Dyno day is tentative.
> 
> DW
> 
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