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08-08-2023, 12:34 PM | #1 |
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Join Date: Nov 2013
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fire wall does not match frame
hello again
i bought a model A 30 roadster in pieces i complained to the Barn latelty that sills/rails did not match frame now am in the process of installing firewall and : throttle foot pedal wont clear bottom of firewall and clutch pedal wont clear bottotm of frewall should firewalls be the same for all roadsters? has anyone else encountered this and did they solve the problem by cutting into the frewall? by the way, i think the rails were from a 32 ford but don't know for certain. the picture of the throttle foot pedal stub not clearing the firewall was difficult to show, sorry |
08-08-2023, 12:42 PM | #2 |
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Join Date: May 2010
Location: Waynesville, NC
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Re: fire wall does not match frame
My only suggestion is to be sure you don't have any 'frame sag' around the motor mounts. That can throw lots of alignments off....
Good luck. |
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08-08-2023, 01:42 PM | #3 |
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Location: Erie Pa
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Re: fire wall does not match frame
Hello, yes you may have engine mount sag , that would locate the pedals in a downward position, or if frame twist , or body is shimmed up high could also be part of the problem.
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08-08-2023, 01:55 PM | #4 |
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Location: Erie Pa
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Re: fire wall does not match frame
Here’s a picture of the cowl and frame area , your car should be the same , the firewalls on 1930 and early 31 are the same , later 31 have an indented firewall around the gas shutoff area, but fitment would be the same. Engine mount would be where the 3 bolts are on frame.Also if I remember correctly a 32 side frame rails are actually the splash apron and frame would be longer than a Model A.
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08-08-2023, 07:00 PM | #5 |
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Join Date: Nov 2013
Posts: 309
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Re: fire wall does not match frame
thank you i will put a straight edge on frame the obstruction to the pedal seems so severe
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08-08-2023, 07:57 PM | #6 |
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Re: fire wall does not match frame
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08-08-2023, 08:01 PM | #7 |
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Re: fire wall does not match frame
The frame rails pictured are Model A, not 32.
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08-08-2023, 08:09 PM | #8 |
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Join Date: May 2010
Location: Epping N.H.
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Re: fire wall does not match frame
It looks like that firewall is way too low,that upper section of the subrail looks like it is riding too high on the firewall.Is the foot of the firewall original,where the single bolt goes through the frame?Has it rusted off and been replaced? Pictures of that,inside and out,would show more.
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08-08-2023, 08:58 PM | #9 |
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Location: Erie Pa
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Re: fire wall does not match frame
Picture of opposite if it helps.
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08-09-2023, 09:06 AM | #10 |
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Location: Plano, Texas
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Re: fire wall does not match frame
Do you have it sitting on the body blocks and pads?
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08-12-2023, 09:05 AM | #11 |
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Join Date: Nov 2013
Posts: 309
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Re: fire wall does not match frame
hello thanks for all the replys some answers to helper-replyers -yes is on blocks. no firewall does not have any repairs.
what is method for evaluating frame sag? thanks for all pix from gdmn sorry for being slow to thank all |
08-12-2023, 03:04 PM | #12 |
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Location: Erie Pa
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Re: fire wall does not match frame
Front left block and shim
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08-12-2023, 03:07 PM | #13 |
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Location: Erie Pa
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Re: fire wall does not match frame
Firewall, outer cowl off
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08-12-2023, 03:19 PM | #14 |
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Join Date: May 2010
Location: Waynesville, NC
Posts: 788
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Re: fire wall does not match frame
WBS - with the body lifted off one side of the frame, stretch a string from one end of the frame to the other. The string should be perfectly flat on the surface... Any space between the string and the frame is 'sag'. There are lots of posts on the 'Barn about how to fix, none of the methods easy.
Good Luck |
08-12-2023, 04:01 PM | #15 |
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Join Date: May 2010
Location: Davison, Michigan
Posts: 22
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Re: fire wall does not match frame
Looks like body needs to be moved forward.
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08-13-2023, 10:34 AM | #16 |
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Join Date: Jun 2010
Location: San Antonio, Texas
Posts: 16,436
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Re: fire wall does not match frame
It would be interesting to see a photo of the OP's frame. The engine & trans with pedals looks to be model A but the frame might be missing the side tabs for the front body mounts or it could have other modifications. Even removing the rest of the front floor boards would help. The body has to set up on the blocks as well as the splash shields and the webbing between the shields and the frame. Others mention too low and maybe too far aft and I tend to agree about that. The throttle bell crank is bolted to the back of the engine and clutch housing so it needs to clear the firewall to function properly.
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08-14-2023, 09:22 AM | #17 |
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Location: Erie Pa
Posts: 689
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Re: fire wall does not match frame
Hello again another poor quality picture of the bracket for front body mount, with wood block between body and it , firewall to frame has around 1/4 gap . Are you trying to mount fire wall directly to frame? Should be a couple of shims that would move the firewall up to cowl .Trying to figure what a previous owner did can be frustrating.
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08-14-2023, 09:40 AM | #18 |
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Location: Erie Pa
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Re: fire wall does not match frame
Also do you have any pictures of what you do have that trying to assemble? As mentioned in previous posts that would be helpful.If firewall has been removed from cowl , maybe holes where it was spot welded to cowl,if it is same firewall they would line up .Original welds would have to be drilled out for firewall replacement. Once again maybe search “firewall replacement “ posts on Ford Barn.
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08-14-2023, 10:19 AM | #19 |
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Join Date: Nov 2013
Posts: 309
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Re: fire wall does not match frame
thanks again- the Mrs. has the camera and is on vacation for 2 weeks, therefore i can't get any pix for a while. in regard to gdmn thanksfor the great pix and to ans ur ques the rivets connecting the fw to 45 degree floor bd metal ramps were drilled out and screws inserted in other words no former welds.
there is something unique in this car as mentioned before in that the cross members are not over the frame holes by inches, not fractions of an inch, as shown in Andrews book. the frame strapping is in place and tabs not sawed off. in next few days i,m going to raise cowls and fw should follow i think |
08-14-2023, 12:46 PM | #20 |
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Join Date: May 2010
Location: Epping N.H.
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Re: fire wall does not match frame
In your last picture we can see where you are off.You used logic,in thinking because the holes in the subframe,block,and the mounting flange all line up that is how they go.Not the case.Only one bolt is used on the 2 bolt frame mount,not 2.One hole is empty.However,the one bolt at the foot of the firewall should drop through the single in the frame itself.Slide that cowl ahead until only one hole in that flange lines up,then see where everything else lands.
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