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Or a sneaky pete, I know that tool, but I want to avoid buying something for that job.

Hello, I'm currently partly rebuilding the engine from my 1969 Thunderbird. The upper rear main seal is making trouble. Lower was easy, because I just had to remove the cap and than could peel it off. The upper half won't come out at the moment. Easiest way would be to remove the crankshaft...

MTF is also what I was thinking of for a moment. Unfortunately my can was nearly empty. I've chosen Type F fluid now. Thanks for all your great replies so far.

Hello, is there any valid reason why I shouldn't fill some 15W40 dino oil in my NP231? Those t-cases are super simple whith a chain and some gears. I read they basically just need ANY lubrication. What about some Type F fluid? Those two are what I have on hand and I need to fill it tomorrow...

As you can see, it´s not only ride height what I was looking at. Spring rates are pretty much comparable to stock. I also have the Ford Specifications sheet and tried to stay at similar rates.

I´m looking for a way to lower my Tbird. Moog has this great list of all their springs. Rockauto lists part # 8314 for front and 8545 for rear application. The original Ford Specifications form says a front weight of 2495lb and rear weight of 2034lb for my vehicle. I made a Excel Sheet with...

I didn´t have the chance to check anything yet. Just filled it with race fuel and it ran pretty good. I have to check it for some more miles though. But before I can proceed I have to fix another problem. Yesterday my Purolator fuel filter broke into pieces after only 100mls and I had fuel all...

Wow, so many answers! This community is simply amazing. I will start with a tank of high octane fuel. Like dnastrau said, our octane numbers are calculated differently. I always filled it with 95 octane fuel yet, which conforms to ~91 octane in the US. The highest I will get here is something...

Hello, I'm a 69 Tbird 429cui driver from Germany. Ford 385 engines (and Big Blocks in general) are rare over here, so it's hard to find qualified help. My engine rattles pretty loud under load. Moreover it flares a lot of (probably bluish) smoke from the exhaust, when quickly pushing the pedal...

Thanks a lot for all you responses. So Type F will be what I will fill in there. How much will it need with and without torque converter?

I just purchased a beautiful Ford Thunderbird Tudor Hardtop from 1969. Now I´m about to change engine and transmission fluids and other parts that need maintenance from time to time. I´m not sure what to fill in the C6 transmission. I already read something about Type F. Or should I use Dexron...

Originally Posted By: Zaedock The ring gear looks fine. I would replace the spiders and motor on. That's what I will do besides changing the TL plates. A locker needs an open differential, which would cost much more.

Alright, thank you! Would you still drive with those pieces missing in the spider gears? Currently I'm unsure whether I should replace gears with new ones, buy a used Dana 44 (check if it's okay first) or keep on driving with those spider gears and save the money (probably for the trans viscous...

This is how it looks like in my case: The red markings I made to show the defective gears to a friend.

Hello, is it possible to simply replace the spider gears from a Dana 44HD trac loc in a ´97 ZJ with open diff spider gears? To specify it a little more.. using this kit instead of this one without further changes?! Thanks and kind regards.

Great, I understood. Thank you.

What do you mean by "chattering"? I can´t find a word that makes sense in this context, when translating it into german. Thanks.

Hello, the track lock in my Dana 44A rear axle seems to be gone/not working anymore. Do I still need to fill the Friction Modifier in there? Thanks and kind regards.

Thank you Originally Posted By: VNTS The only problems these engine have is the blown manifold plenum valley gasket. Fix is to remove the intake and install a Hughes plate. That´s an issue I experience... when I have enough time and money, I will fix that with the Hughes plate (or any...

Originally Posted By: 440Magnum LPG is easier on oil than gasoline. No worries. What does that mean? Less chemical reactive?