[Fot] Chevy rods/Moldex crank

[Jack Wheeler]

 It's been a long time, but I started using Carillo rods when SCCA allowed alternate rods for production cars in 1980.  They were "off the shelf" at that time and in nearly 20 years of use at up to 7,000 RPM's, I never had a failure.  If I were doing a race engine today, I would check with Carillo.

Jack

    On Thursday, November 2, 2023 at 09:02:27 PM EDT, John H. Hasty via Fot <fot at autox.team.net> wrote:  
 
  
Moldex sized to Ford Standard, Ford Modular hbeam racing rods by Manley
 
  
 
  
 
| 

  | 
 
 
John H. Hasty
 
Of Counsel
 
Mullen Holland & Cooper P.A.
 
301 S. York St.,
 
P.O. Box 488
 
Gastonia, NC 28053
 
704.864.6751 (p) 704.861.8394 (f)
 
mhc-law.com | jhasty at mhc-law.com
 
 
 
 
  |


  
 
  
 
From: Fot <fot-bounces at autox.team.net> On Behalf OfKen Knight via Fot
Sent: Thursday, November 2, 2023 7:44 PM
To: tr4 at wi.rr.com; 'Lorne Fritz' <lorne.fritz at gmail.com>
Cc: 'FOT' <fot at autox.team.net>
Subject: Re: [Fot] Chevy rods/Moldex crank
 
  
 
They will in fact work.  I have hundreds of hours on Chevy rods.  The only thing is that you have to order custom rods.  My machinist, a  master
 
Chevy race motor builder, put me on to the specs and the rest is history.  Love the Clevite bearing, super high quality and available in + or - .001 sizes already coated.
 
  
 
Ken
 
  
 
Sent from Mail for Windows
 
  
 
From: Steve Yott via Fot
Sent: Thursday, November 2, 2023 3:16 PM
To: 'Lorne Fritz'
Cc: 'FOT'
Subject: Re: [Fot] Chevy rods/Moldex crank
 
  
 
This topic has come up several times.  I have a fair number of friends who own speed shops and are great high performance engine builders.  The consensus among all of them is to not do this unless you have a crank made with narrower journals to create a big end to journal side clearance of no more that .006”.  The idea with this and why all manufactures use close side clearance is to create a healthy dose of oil spray onto the cylinders, pistons and cam shaft.  If you use the chevy rod on a standard Triumph journal you have a side clearance of over .100” and all the spray just directs horizontally which does not help a thing.  I have yet to find any engine spec that lists anything over .010” in all my 70+ years.
 
  
 
My opinion and I’m sticking to it!
 
  
 
Steve Yott
 
  
 
From: Fot <fot-bounces at autox.team.net>On Behalf Of Lorne Fritz via Fot
Sent: Thursday, November 2, 2023 3:13 PM
To: fot at autox.team.net
Subject: [Fot] Chevy rods/Moldex crank
 
  
 
Hi, Could anybody tell me what rods you are using on a Moldex crank that is sized for a Chevy rod.  This is for a TR3/4 engine.  Pat number, size or application would help.   Thanks in advance.   Lorne
 
  
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