The Ford Barn

BillCNC · 07-20-2022, 02:10 PM

Hey All,

If one was to put a 37 flathead v8 into an early 31 Tudor, would the firewall need to be modified?

I understand mounting mods would be needed, I'm just not sure about the overall length.

Regards
Bill

Gil Sissons · 07-20-2022, 05:46 PM

Bill. I think you will get more help with your question on the hamb.

Gil. NoCal

jack backer · 07-20-2022, 07:46 PM

Save money and time, hop up the A engine.

walls · 07-21-2022, 06:01 AM

I’ve not done it, but have read you don’t need to cut the firewall.
The Vern Tardel book How to build a traditional Ford hotrod has all the details, I believe.
The Hamb is a better website to research that type of mod. Probably been done thousands of times.
Keep in mind the brake/suspension/steering/rear changes that may be appropriate once the engine has 3 times the power of the stock one.
It’s kind of a rabbit hole.

Pete · 07-21-2022, 07:48 PM

Sponsored Links (Register now to hide all advertisements)

No mods to the firewall with flathead Ford V8.

No mods with small block 302 Ford.

Yes mods with SBC to clear ignition.

07-20-2022, 02:10 PM	#1
BillCNC Senior Member Join Date: Aug 2017 Location: SoCal Desert Posts: 826	Motor Swap? Hey All, If one was to put a 37 flathead v8 into an early 31 Tudor, would the firewall need to be modified? I understand mounting mods would be needed, I'm just not sure about the overall length. Regards Bill

07-20-2022, 05:46 PM	#2
Gil Sissons Senior Member Join Date: Dec 2013 Location: No Cal Posts: 224	Re: Motor Swap? Bill. I think you will get more help with your question on the hamb. Gil. NoCal

07-20-2022, 07:46 PM	#3
jack backer BANNED Join Date: Mar 2022 Location: Chenango Bridge NY Posts: 433	Re: Motor Swap? Save money and time, hop up the A engine.

07-21-2022, 06:01 AM	#4
walls Senior Member Join Date: May 2010 Location: SE PA Posts: 101	Re: Motor Swap? I’ve not done it, but have read you don’t need to cut the firewall. The Vern Tardel book How to build a traditional Ford hotrod has all the details, I believe. The Hamb is a better website to research that type of mod. Probably been done thousands of times. Keep in mind the brake/suspension/steering/rear changes that may be appropriate once the engine has 3 times the power of the stock one. It’s kind of a rabbit hole. Last edited by walls; 07-21-2022 at 06:08 AM.

07-21-2022, 07:48 PM	#5
Pete Senior Member Join Date: May 2010 Location: Wa. Posts: 5,409	Re: Motor Swap? Sponsored Links (Register now to hide all advertisements) No mods to the firewall with flathead Ford V8. No mods with small block 302 Ford. Yes mods with SBC to clear ignition.