The stunningman

iTrader: (47)

For headers doesn't someone make 351W swap headers for this car or early mustang? I have used fox 351w headers on a fox body swap before. Cut the flanges off flush with the current flange, I made a tool to round the square tubing and then inserted them in the header flanges you can buy online. While your mocking these up you can shorten or put a little more angle in them if needed to clear the firewall but make sure you have a starter on it.

To ID the 9 inch there are two bolts at the bottom corner that can only be removed by socket a box end wrench won't work. If you can get to all the bolt holes with a box wrench its a 8". I would be very surprised to see a 8" after looking at the mods that have been made by previous owner.

Definitely a cool build. Looking forward to seeing the progress.

Project GatTagO

iTrader: (7)

I actually thought about modifying some existing headers. The issue is that most headers for a 302 are too small...351 headers have a raised port, so I don't know if they will work as well on a LS swap. I am thinking that the header collectors might end up being too low.

I think you got the 9" thing backwards. Two of the bottom bolts on a 9" can't be accessed by a socket so you have to use a wrench...:-) At this point, I am pretty sure that it is a 9". I am going to see if there is a tag in the front that might help to identify it's origins.

Andrew

BadWolf

cool build!

lsxRanger94

Hope you get lucky and there is a nice big "N" on the carrier.

Project GatTagO

iTrader: (7)

Is that for Nodular? Better iron?

Andrew

tuske427

iTrader: (1)

Cool car and build. I've recently helped a friend with his '68 Cougar prep it for the return of a 390 (he bought it with a 289, though it was a 390 car) I learned from this that the 390 cars came with some extra bracing and welds inside the engine bay. This link here:

http://forums.vintage-mustang.com/vi...de-owners.html

Has some pics to the extra welds in the engine bay and this next link below shows the gussets that you can either buy from them (or easily make on your own) for reinforcing the cross member:

http://www2.cougarpartscatalog.com/s...d-Mustang.html

These reinforcements were for the higher powered engines. It may be worth looking into...

lsxRanger94

Yes "N" is for the nodular iron. It's the best/strongest one from the factory.

lsxRanger94

Project GatTagO

iTrader: (7)

Thanks for all the great tips guys!

Andrew

oldgoat69

Cool build. The Comp Engineering slide a link will ride better, but the old Ground Grabbers fit the era better. This will be a great driver.

rcarson

iTrader: (12)

Awesome build! I have been procrastinating on my own 69 Cougar LS swap build. I am on the hunt for a GTO oil pan now and then I will be ready to put my motor in place. Keep up the great work, and I hope you don't mind me stealing some of your ideas

On a side note, kind of funny I also have an LS swapped Rx-7

TorchredLSX

Subscribed... This build already has a lot of info that has sent me in the right direction for my Mustang build.

Project GatTagO

iTrader: (7)

So today I did a little more investigative work on the rear axle. The car is in storage but I was able to get a few pictures with a long arm reach, a cellphone, and some luck...LOL

From the looks of it, this is definitely a 9" with a Nodular iron carrier. See the N in the background?



Also, check out this cool pinion snubber arrangement. Has anyone ever seen something like that before? Is that a Daytona pinion support? ....w-4668-C



Does anyone have the secret decoder ring for Ford diff tags?



Andrew

lsxRanger94

Geeze 4:30 Detroit locker(4L30). should be quick. Drag pack option in Big block cars. Have you decoded the VIN?

rcarson

iTrader: (12)

Yeah that is a monster of a rear. The wfu-e tells you what cars this came in, not sure what yours decides to. 0DB is your date code, which says Second week of April 1970. The 4L30 tells you it is a 4.30 Locker 9 tells you 9 inch and the last part is the manufacture plant code

Project GatTagO

iTrader: (7)

Yes, from what I can gather it is a plain jane Cougar.

Andrew

Project GatTagO

iTrader: (7)

I was born on the second week of April 1970...cool!

The WFU-E is from a 1970 Mustang, according to this:

http://www.mustangtek.com/differential/Differential.htm

Andrew

Project GatTagO

iTrader: (7)

This car is only getting a 5.3L so the gear will definitely help it move on down the road.

Andrew

lsxRanger94

Since you "had" the oil cooler too, it was probably a dealer installed package. Or at least bought from the parts department of the dealer.

Project GatTagO

iTrader: (7)

When talking to the previous owner he definitely said that they were putting together their own "Drag Pack" by using parts from the parts department. This car was built in the early 1970s so obtaining the parts was just a matter of ordering them through the parts department.

Andrew