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Thread: 289 USRRC Size vs. Mk 4 Roadster

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    289 USRRC Size vs. Mk 4 Roadster

    I was looking at the Mk 4 Roadster and am comfortable with how I will fit in it. Then, I noticed the 289 USRRC and really like the opportunity to make a tribute car to Ken Miles' CSX 2431. However, the FFR literature refers to the 289 USRRC/FIA as the 'smaller cousin' to the Mk 4 or something like that. Does the 289 actually have a smaller cockpit?

    Thanks!

    Terry

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    Senior Member cnutting's Avatar
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    The 289 uses the same frame and mechanical components as the MKIV. Couple small variations but they don't affect cockpit room except the petty bar intrudes more on the passenger. My wife actually likes it since it gives her something solid to hold onto when getting in and out. And when I take a corner a bit aggressively... The nose openings are smaller and the body is less "bulgy".
    FFR #8833 289 FIA 3-link
    1965 289, TKO600 from Forte's Parts Connection
    Body and Paint by Mike's Auto Restoration
    Picked up 3/5/2016, First start 4/22/2017, MA legal 7/11/2018
    Build Thread http://thefactoryfiveforum.com/showt...FIA-build-8833
    "Insanity is contagious" - Joseph Heller

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    Quote Originally Posted by cnutting View Post
    The 289 uses the same frame and mechanical components as the MKIV. Couple small variations but they don't affect cockpit room except the petty bar intrudes more on the passenger. My wife actually likes it since it gives her something solid to hold onto when getting in and out. And when I take a corner a bit aggressively... The nose openings are smaller and the body is less "bulgy".
    That is super good news, thanks! Coincidentally, I just happened to be looking at your #8833 in the gallery. It's absolutely beautiful. Congratulations.

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    If the body is less "bulgy", can you still run the same size tires/wheels as a Mk4?

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    Senior Member cnutting's Avatar
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    I have meaty 15s. There is a balancing act between rim size and sidewall so you could probably run larger size rims with lower profile tires. FFR can probably give you some suggestions.
    FFR #8833 289 FIA 3-link
    1965 289, TKO600 from Forte's Parts Connection
    Body and Paint by Mike's Auto Restoration
    Picked up 3/5/2016, First start 4/22/2017, MA legal 7/11/2018
    Build Thread http://thefactoryfiveforum.com/showt...FIA-build-8833
    "Insanity is contagious" - Joseph Heller

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    I’m running 245/45/17s in the front and 295/40/17s in the rear of my USRRC.FFR says 315/40/17s will fit on the rear. Looking at my setup you might squeeze the 315s in. Wheels are FFR 17 x9” Halibrands all around
    Last edited by chuckster; 09-03-2018 at 08:21 PM.
    “Privateer”
    289 USRRC Chassis #9188 p/u 9/11/2017 Go kart 3/18/2018, road legal 6/16/2018
    Ford full roller 306 built by my son and me Holley Sniper EFI
    TKO600 2015 IRS 3:55. 17” FFR Hallibrand replicas, Power steering
    FFR Vintage instruments, Wipers and Heat/defrost
    Lots of parts and advice from Mike Forte & Mark Reynolds (Breeze Automotive)

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