FJ40 Mark/Downey Header (11 Viewers)

[EWheeler]

I am interested in how the manifolds fit, as pictured above there seems to be an issue, is it a BFH solution or are the manifolds in pic not supposed to play together ?

BFH on header tubes and some material removal on the intake to eliminate the interference at the two points if you want to use the early wide runner manifold. I opted to swap to a later intake for the time being.

 

[gonzopancho]

Finally got some time to open the boxes that Mark sent. There are more flanges, but I don’t think it’s worth showing all of them.

 

[unimog]

I am still in for at least one.

 

[greenbeast]

That looks sharp!!

 

[bhsdriller]

I want one too

 

[78Cruzr]

Interested as well…

 

[unimog]

Gonzopancho, have you made any progress with the header project?

 

[WoodsmanNC]

I would be in for one.

 

[Jonny01]

In for one as well

 

[gonzopancho]

Gonzopancho, have you made any progress with the header project?

Today sourced (thanks, @PabloCruise) and shipped a complete 2F intake and exhaust to the place making the stainless version. They do a machined cast flange, and as I’m sure everyone here knows, the flange thickness wants to match the intake flange thickness, because common studs are in-use.

There is also tooling being developed. Yes, there will be tooling involved in make the ends of the tube a rectangle for the flange. You have to do this operation with the header tacked together to ensure the tube is in the correct location – so you cannot really purchase the tube pro-formed.

Speaking of the tubes, it looks like we can do a slightly better job of matching the tube lengths, which could make for better scavenging. Stay tuned!

I looked around my fleet of LandCruisers and didn’t see one with a 2F, so I’m having @FJ60Cam build me a 2F for the 76 FJ40 to replace the SBC.

 

[unimog]

Awesome update! Thanks for sharing your progress

 

[78Cruzr]

good to hear! Do you have timeline of what you are working towards?

 

[mrldcty]

Any thoughts about ceramic coating these internally and/or externally to reduce engine compartment temps (as an alternative to wrapping)? Would love the extra flow, but only if I can reduce, or at least not increase, EC temps.

 

[gonzopancho]

it's possible, but it raises the cost and therefore price.

 

[mrldcty]

Would be worth it to me to lower the EC temps. There is a shop in my area that specializes in coatings, so might be worth a shot.

Please put me down for a set.

 

[Dianna]

We are one step closer to headers!

 

[gonzopancho]

Thank you, @Dianna for loaning us a 2F head so the shop (also in Ohio) has a head sample!!

 

[PabloCruise]

We are one step closer to headers!

View attachment 2996450

Gratitude @Dianna
We are doing our homework so this next-gen header will be worthy of putting on a Land Cruiser.
Thank you again!

 

[Dianna]

I am more than happy to help! It's not too often that I am able to get involved in this awesome community, I am mostly flying solo out here in the rust belt!

 

[PabloCruise]

I am more than happy to help! It's not too often that I am able to get involved in this awesome community, I am mostly flying solo out here in the rust belt!

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