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 chrome molly or mild steel chassis
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willys
Non Member

Netherlands
77 Posts

Posted - 02 Jul 2011 :  21:18:32  Show Profile
I`m planning to build my fed chassis next mont but if i build it from mildsteel will it get a tag for driving 8 sec or do i have to use chrome moly for it (much more expensive)

hotrodder
Non-Member

United Kingdom
126 Posts

Posted - 03 Jul 2011 :  12:24:52  Show Profile
Mild steel is good down to 7.50 if built to the correct specs. Probably best to talk to someone like Roy Wilding if you need plans that would be "legal". The mild steel for your cage has to be specific sizes on specific bars, and from memory has to have a 3mm wall thickness. I think Roy told us that he would recommend 10 Guage CDS from Wheeler tubing.
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willys
Non Member

Netherlands
77 Posts

Posted - 04 Jul 2011 :  18:25:59  Show Profile
The building plans are from Mark Williams(usa)so it should be good
I think if you use the wall measerments what`s on the drawing it should be ok and on some points something bigger (sorry for my englisch)
Is there anyone who is building a fed out of mild steel?
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hotrodder
Non-Member

United Kingdom
126 Posts

Posted - 04 Jul 2011 :  21:12:25  Show Profile
We built ours about 5 years ago - its mild steel using Mark Williams plans from Roy Wilding, built from 10 guage CDS. Id check the rule book as well as the Mark Williams plans, that was what Roy recommended to us.
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willys
Non Member

Netherlands
77 Posts

Posted - 04 Jul 2011 :  21:58:36  Show Profile
Did you made modifications on the chassis according to the drawing?
What engine are you driving with?
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kiwicar
Non Member

United Kingdom
28 Posts

Posted - 05 Jul 2011 :  18:15:17  Show Profile
Hi Willys
Roy Wilding built a 168" wheel base FED chassis for me last November/December. It is in mild steel, it is/will be tagged for 7.5 seconds when I have finnished fitting it out (hopefully by March '12). It was from the Mark Wiliams plans, but modified by Roy and checked against the SFI regs. As I said it has it's first stage of tagging for 7.5 seconds and when complete will get it's final inspection and tag. I will be running a small block chevy and power glide.
I hope that is of some help.
Best regards
Mike


another year older not much wiser
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willys
Non Member

Netherlands
77 Posts

Posted - 05 Jul 2011 :  18:33:04  Show Profile
What kind of modifications did Roy do on your chassis(i`m just like to no)i don`t want to invent the wheel again that`s why i`m asking it.
Does anyone have a email adres of Roy?

Edited by - willys on 05 Jul 2011 18:36:11
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kiwicar
Non Member

United Kingdom
28 Posts

Posted - 06 Jul 2011 :  12:14:21  Show Profile
quote:
Originally posted by willys

What kind of modifications did Roy do on your chassis(i`m just like to no)i don`t want to invent the wheel again that`s why i`m asking it.
Does anyone have a email adres of Roy?



Hi
Around the roll cage area the modifications are, the chassis bottom tube Kicks up 5" to the rear starting directly where the rear axel mounting joins the bottom tube, the axel is moved forward slightly (about 1.5") from where the drawing had it to allow for my long-ish upper leg (knee to thigh) and shortish calf The chassis is 25" wide (outside of tube to outside of tube) to allow for my generously proportioned backside. The motorplate is (I think) set forward a little over the drawings again to get the mass centre forward a bit. Further forward (in front of the motorplate) the chassis tubes run parralel to about 2' infront of the plate to give me room for the dry sump pump my engine will have (which should allow me to fit a bigblock should I wish to in the future) and the top tubes run more parralel to the bottom tubes than the drawing shows ending in a sharp turn down to meet the bottom tube just before the torsion tube for the ftont suspension. It makes the whole front section of the car deeper (going from about 8" at the motorplate to about 5.5" about a foot back from the front axel.
Nothing major really mostly fitting the chassis to me and the drivetrain, and to some ideas I had about how I want the finished car to look.
Best regards
Mike

another year older not much wiser
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willys
Non Member

Netherlands
77 Posts

Posted - 06 Jul 2011 :  17:04:51  Show Profile
Thanks for the info
Do you have any pics of your chassis?
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kiwicar
Non Member

United Kingdom
28 Posts

Posted - 06 Jul 2011 :  18:16:11  Show Profile
Hi
I will take some from the side over the weekend,I will need to move the chassis out the garage to take the photos I will take detail shots where I think Mine differs from "standard". If there is anything specific yu want photographed let me know before the week end. I am not sure how to post them on here, but I will work that out at the week end.
Best regards
Mike

another year older not much wiser
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willys
Non Member

Netherlands
77 Posts

Posted - 06 Jul 2011 :  18:29:48  Show Profile
Some pictures from the side and top side so i can see the modifications
you can send them also to my mail adres dragracingteamfrogeye@live.nl
greettings Philip
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kiwicar
Non Member

United Kingdom
28 Posts

Posted - 11 Jul 2011 :  10:02:18  Show Profile
Hi
I have E-mailed some pictures to you, I hope they are of some help.
Best regards
Mike

another year older not much wiser
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willys
Non Member

Netherlands
77 Posts

Posted - 11 Jul 2011 :  16:49:05  Show Profile
Thanks for the pictures looking great.
Do you no someone who is driving a fed with 440 dodge engine because i`m looking for an engine plate for the mark williams chassis


Edited by - willys on 11 Jul 2011 16:49:35
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