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PostPosted: Mon Nov 13, 2017 5:53 pm 
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Nice!
Thanks for the info,
Cheers


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PostPosted: Wed Nov 15, 2017 11:33 am 
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gt350hr wrote:
My "new" needle bearing cam has a 7/16 ARP stud in it . 75lb torque. 650 spring pressure , roller chain. Came from Cornett in Somerset.


Sounds British. Camgrinders-on-Watershed, Lumpy Bottom, Lancashire.

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PostPosted: Sat Jun 09, 2018 8:06 am 
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tuffxf wrote:
G,day,
Solid roller here with the stock 3/8 unc thread, one pin.
How much pressure on the nose and rpm will the std retaining set up hold?
Cheers
Paul


Gday Paul,
Hey I know this is and old thread and I do remember having a chat about this at one time. Not sure if i had mentioned back then but the engine my mates 95 mustang came with when he bought it was a 532"bbf, solid roller ~.725" lift, from memory aprox 790lb at full lift, previous owner then my mate had been running to 7800 rpm. We stripped it to check an oil pressure problem and it had a stock alloy cam gear with nylon teeth and the belt link chain which was looking sad and the stock ford cam bolt with 1 pin.
We did change the timing set !! Still runs 1 pin and just a new grade 8 3/8" unc cam bolt.
Cheers,

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PostPosted: Tue Jun 12, 2018 8:15 am 
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>stock alloy cam gear with nylon teeth

:o is all I have to say. It's all about NVH isn't it. (Noise Vibration Harshness). For me, the more MVH the better.

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http://raceabilene.com/kelly/hotrod
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PostPosted: Tue Jun 12, 2018 4:53 pm 
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Location: Orange County, NC
Granted technology has come a long ways since then, but Animal Jim told me they always ran the stock cam gear in his pro stock car. They double pinned it, but they believed it was better at absorbing harmonics with the nylon teeth at 10K rpm than a steel gear was.


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PostPosted: Wed Jun 13, 2018 8:28 am 
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No fan of the nylon cam gear here! That said, note that if one purchases a now old gear that has sat on a shelf for decades, it may fail pretty early. Also, a newly made nylon gear (if they still make them) is likely made in Asia of different materials and may quickly shed the nylon off the aluminum gear. Risky in either case I say unlike a steel or cast iron gear, NVH be damned!

kv racing wrote:
Granted technology has come a long ways since then, but Animal Jim told me they always ran the stock cam gear in his pro stock car. They double pinned it, but they believed it was better at absorbing harmonics with the nylon teeth at 10K rpm than a steel gear was.


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PostPosted: Fri Jun 15, 2018 12:30 pm 
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Falcon67 wrote:
gt350hr wrote:
My "new" needle bearing cam has a 7/16 ARP stud in it . 75lb torque. 650 spring pressure , roller chain. Came from Cornett in Somerset.


Sounds British. Camgrinders-on-Watershed, Lumpy Bottom, Lancashire.



Cornett Racing engines , Somerset KEENtucky , Brent's territory.


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PostPosted: Fri Jun 15, 2018 1:20 pm 
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Gday,
I did get it double pinned and tapped to 7/16 unf, using a carr rod bolt at 90 lbs.
Guy that did it made up a centering washer that spigots into the cam gear, did a very nice job!
Have 645 on the nose, might not need it but will not lose sleep over it!☺
Cheers


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