What Size Driver?

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What Size Driver?

Dyn Blin
I'm trying to eliminate some old squeaks and knocks in an effort to pinpoint a new rattle.  Part of that effort is to tighten up the bed floor.  Although some of the bolts are slacked, the nuts are frozen and I've been dosing them with penetrating oil.  This weekend I'll get one of my girls to try to hold the top while I crack the nuts under the bed and remove, clean and re-tighten.

Daft question:  Do the old salts here know the drive-type of the large bed bolts?  It almost looks like a Fearson rather than a Phillips, but I'm not sure.

Is it #4?

Thanks in advance.



 



Sonoma County,CA
1982 F150 Flareside XLS
NP435 4x4
351W Motorcraft 2150

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Re: What Size Driver?

Gary Lewis
Administrator
I would have guessed a #4 Phillips, but I don't know.
Gary, AKA "Gary fellow": Profile

Dad's: '81 F150 Ranger XLT 4x4: Down for restomod: Full-roller "stroked 351M" w/Trick Flow heads & intake, EEC-V SEFI/E4OD/3.50 gears w/Kevlar clutches
Blue: 2015 F150 Platinum 4x4 SuperCrew wearing Blue Jeans & sporting a 3.5L EB & Max Tow
Big Blue: 1985 F250HD 4x4: 460/ZF5/3.55's, D60 w/Ox locker in front & 10.25 Spicer/Trutrac in back, & EEC-V MAF/SEFI

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Re: What Size Driver?

Steve83
In reply to this post by Dyn Blin
McPherson has distinctive lines (as this shows) and I don't think it's made in a size 4:

Walk softly and carry a BIG SIX!!!
https://www.supermotors.net/registry/2742#album
Memphis, TN, USA, Earth, Milky Way
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Re: What Size Driver?

Rembrant
In reply to this post by Dyn Blin
Those bed bolts appear to be the aftermarket ones from Mar-K? Did you replace them?

I used I believe a #4 Phillips with 3/8" drive...with a broken tip no less. I think a #3 will work in a pinch, but they're even bigger than #4 anyway...

You could call Mar-K in Oklahoma and ask them what size you're supposed to use on their 1/2" bed bolts.
1984 F150 4X2 Flareside. Mild 302 w/GT40 heads, BBK headers, Holley 4bbl, XE256H Comp Cam, M5R2 5spd swap, Magnaflow full duals. Fresh Medium Blue Metallic in August 2019.
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Re: What Size Driver?

Dyn Blin
Thanks Steve, another great resource.

Cory, that may well be.  It predates my ownership.   I'll give them a call, $ thanks for the potential identification.
Sonoma County,CA
1982 F150 Flareside XLS
NP435 4x4
351W Motorcraft 2150