LS3/6L80e Engine Swap into my 73

[Yeller]

16 is what I believe it is, 16 is what I've used when I've modified them.

 

[nvrstuk]

Getting close!!

I had one of my tranny cooler mounted there yrs ago. I pulled cool air in from below. My .02, make sure you put a skid plate to protect it someday... b4 you need it.

Great to hear simple pan reconfiguration will solve those clearance issues! Steve's done this b4 and is a great willing resource!

Great build, fun to watch your progress.

 

[WPS 73 Bronco]

Pan modified

 

[WPS 73 Bronco]

Got my Tom Woods rear driveshaft ordered today.

along with my SIKKY cold air intake. This weekend I hope to re-install the oil pan, rear gas tank, and finish out the shroud/fan setup on the trans oil cooler. Here's a close up of the weld quality on my pan. I now have 4" of clearance at the pinch point, which was only about 3/4" of the length from the corner of the pan. After that pinch point, it opens up quickly due to the curve of the front diff. My bump stop has 3.5" of clearance, on new bump stops. If I make enough progress, I might complete fluid fill and crank it.

 

[1969miller]

Nice work on that pan. Sealed mine up a few days ago hoping I won't have to change it due to higher lift and the offset of my diff. Fingers crossed. Hope you get to fire yours up soon!

 

[WPS 73 Bronco]

Here’s the transmission oil cooler with fan shroud. 6 “ fans with 8 AN hose fittings.

 

[Yeller]

Shouldn’t have an issue with the trans getting hot

 

[WPS 73 Bronco]

 

[Yeller]

I would need a skid plate under that lol

Something like this

 

[WPS 73 Bronco]

Tank back in with plenty of clearance. I used 4x3” angle iron. I could gave created more clearance if I’d gone 5”. This modification was actually easier to install than their original design.

 

[nvrstuk]

Yeah, get back to EB's and skid plates and away from CA fires...

 

[WPS 73 Bronco]

More pan mods needed.

I put it back in and I wasn’t happy with the corner tip. So I’m cutting more off. The pan has a wing on each side for extra oil capacity. I’m eliminating the wing on one side.

 

[WPS 73 Bronco]

Didn’t get to start the engine this weekend, but accomplished a lot. Completed the driver’s side coil pack and spark plug wires. I worked on the passenger side but I want to make final wire cuts once the heater hoses are complete. I’ve got a couple brackets being fab’d then I’ll button that up.

 

[WPS 73 Bronco]

This journey is now 1 year old as I started this project on Jan 14th of last year. I want to thank all of you for your continued support and advise. I'd be lost without you.

Here's my next issue: Gas Tank Venting.

I have the M1A1 tank, and I plugged the vent on the tank with the original thought that I didn't need it. Not sure what was going through my head at the time. When I pulled the tank out two weeks ago to address the interference fit with the exhaust, I decided to add back a vent hose that I'd plan on connecting to the Bronco's evap system. What I encountered was a vent plug that was not going to budge. I decided to go ahead and install the tank and look for another option.

So now I'm trying to figure out my game plan for tank venting. My thought is to use the filler vent and route it to the evap canister. I would cap the filler vent tube on truck side, and then I connect the filler tube vent coming from the tank to the evap system. Does this work? Do I need a check valve between the tank and the evap system?

Any other thought other than pulling the tank out AGAIN.

 

[WPS 73 Bronco]

Received my cold air intake today from SIKKY. Perfect color match for my Bronco. It’s just a test fit for now, but close.

 

[nvrstuk]

Whole thing fits like a glove in there! Nice work.

 

[Yeller]

I need to quit watching my budget and just by the Holley accessory drive, it solves so many issues….

 

[WPS 73 Bronco]

Any thoughts about my gas tank vent question

 

[73azbronco]

you need the vent, is plug rusted in? heat baby heat.

 

[WPS 73 Bronco]

I don't want to pull the tank out again. Plus there are issues with the M1A1 vent design, per other threads on this topic. There's another thread (Gas Tank Vent) going around on this topic that was old and I brought my question up on it. Due to lack of responses, I added it to this build thread hoping to get some thoughts.