427 Medium Riser

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427 Medium Riser

Post  Frank Merkl on August 31st 2018, 9:36 pm

the Motor in my '67 Mustang GTA Mustang is getting Tired and needs some TLC and I have too many Irons in the fire to say the least ! who do I send it to ,to get freshened. Here's what it is , '67 427 side oiler block .030 over , 1 sleeve ,factory forged hollow journal crank standard ,1 welded throw , Lemans rods with bolt up grade , Venolia pistons , Medium Riser heads , factory SS hollow stem valves & titanium exhaust valves, factory rockers with my own design end stands and solid spacers , 300 x .500" factory solid cam with shell lifters , factory sidewinder intake , 850 holley DP , NOS Cheater plate , factory windage tray , 10 Qt fabed pan , Accel Dual point Dist with 50 ounce points.
Frank
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Re: 427 Medium Riser

Post  Frank Merkl on August 31st 2018, 9:40 pm

This motor has been run with it's tongue held out !! over 2 hour runs at 7300-8000+ for over 2 hours at a time !!
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Re: 427 Medium Riser

Post  AZFairlane on August 31st 2018, 9:42 pm

http://www.survivalmotorsports.com , Barry Rabotnick, Owner
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Re: 427 Medium Riser

Post  rmcomprandy on September 1st 2018, 12:09 am

AZFairlane wrote:http://www.survivalmotorsports.com ,  Barry Rabotnick, Owner

Barry will do a good job ...

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Re: 427 Medium Riser

Post  BBFTorino on September 1st 2018, 2:00 am

Frank Merkl wrote:This motor has been run with it's tongue held out !! over 2 hour runs at 7300-8000+ for over 2 hours at a time !!
Frank
I would definately swap out the titanium exh. valves for new ones!!.....they tend to get brittle, and break the heads off.
Dont want that happening to a cool old FE 427!! Wink

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Re: 427 Medium Riser

Post  Frank Merkl on September 1st 2018, 3:02 am

The heads had hollow stem Sodium cooled exhaust valves from the factory! changed them out 20 years ago!!
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Re: 427 Medium Riser

Post  BBFTorino on September 1st 2018, 2:03 pm

Yes, those were prone to breakage too!!

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