Triumph Spitfire - Propshaft Problems | Roundtail Restoration

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I've developed a rhythmic knocking while driving the car, coming from the differential area. I took the propshaft apart to discover an overly-complicated design and missing rollers. It didn't fix my problem, but at least it's put back together properly.
Want to see all of the body restoration of my 1966 Triumph Spitfire? This playlist starts shortly after engine rebuild and goes through completion: • Triumph Spitfire Resto...
Want to see my engine rebuild of my 1147cc Triumph Spitfire motor? This playlist covers most of it: • Triumph Spitfire Engin...
Want to see other random technical videos, not exclusive to my Triumphs? (like generator testing)? • Technical Videos

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31 авг 2023

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Комментарии : 25

@ericpfiffner5615 10 месяцев назад

Was a beautiful day for a cruise, that's for sure. Nice blue sky.

@roundtailrestoration 10 месяцев назад

Yes, it was a nice day. Good weekend on tap here, too, so I'll hopefully get her out again.

@matthewharlowehrscyclespor668 10 месяцев назад

Our TR's are always a journey. That's why we sometimes have a love/hate relationship. Thanks Chris! Be good. Remain safe. Wishing you a Deluxe weekend!

@roundtailrestoration 10 месяцев назад

Thanks, Matthew. Love/hate for sure. Hopefully get some drive time in this weekend as the weather looks great.

@matthewharlowehrscyclespor668 10 месяцев назад

@roundtailrestoration we are looking forward to moving to the east coast. We had to postpone our move for family reasons. We are actively pursuing property now. I freed up some $ recently. Our plan now is to purchase and try to make the move less stressful. I have a business, cars, and motorcycles to move. We will sell this home once we are settled back east. Enjoy the weekend Chris

@roundtailrestoration 10 месяцев назад

Housing market is horrible around me, Groton CT. Of course, we have Electric Boat, which is hiring like crazy, and home prices have skyrocketed with little inventory. I wish you luck!

@TheUlrikkaul 10 месяцев назад

This is all new to me. I'll check my propshaft to see if this is why I have a clonk sound when reversing and then going into 1st. Never boring to own a Triumph😆

@roundtailrestoration 10 месяцев назад

You got that right. I'm not sure if there should be no play in the joint or not. But, you got to wonder why make it that complicated?!

@barry6274 10 месяцев назад

Keep driving it as you say, if it gets worse you can look at other possible locations to try and solve the issue. Take care!

@roundtailrestoration 10 месяцев назад

That's the plan. Thanks, Barry!

@weescotildweescotild6875 10 месяцев назад

Hi Chris, Yes you shouldn't have any angular play on this sliding joint. This can lead to rise in vibration too. Another thing I do notice from the video is the engine seems to be running on three legs most of the time but I may be wrong.

@roundtailrestoration 10 месяцев назад

That's unfortunate, but thank you. No, I'm not real happy with the way the motor is running. I did have the choke stuck open on me while I was filming, which I didn't figure out until I got back and tried to play with it, but even after that, she doesn't seem to have a lot of power. I mean, it's only a bit over 60hp, and I have never driven another Spitfire, but it doesn't seem as peppy as I think it should be. I'll do some more troubleshooting. Thanks!

@drivewayshop 10 месяцев назад

Interesting bearing setup for sure. You've probably already looked at all 4 UJ's. Diff or trans internals? Or something as simple as a worn bushing or some other rubber piece? Just thinking out loud. 🤔

@roundtailrestoration 10 месяцев назад

Yes, all of the UJs appear fine. Definitely coming from the back, so diff area. As I was editing the video, I noticed the scratched paint on the propshaft, in a circular pattern. Didn't dawn on me until then that I might have it rubbing against something under there - ebrake linkage or something. Going to get back under it and take a look. Thanks, Hazen!

@frankstrobel4350 10 месяцев назад

you say the UJ are fine. Did you check that the cross is not moving inside the cups....wold move side to side as it rotates. not from worn bearings...but because the yoke is srpead out a bit. I had this on my car on one of the axles. I made a shim from a soda can and placed it b/w the cup and the clip that holds it in. (that's how little it needed to stop the knock) got the idea from someone else on the TE forums...the correct way would to fix in my case, would be to remove axle shaft and put the yoke in a press, and squeeze the yoke to the correct distance.

@redfoxclassics 10 месяцев назад

This’d be my suspicion too given the noise happens at drive time. You can also buy thicker circlips to take up this play (though mine are also done with beer can!) Propshaft I would’ve expected to clunk on direction change but not while driving.

@roundtailrestoration 10 месяцев назад

Thanks, guys. I didn't check that type of play out specifically. That'll be a good next step...just wish the darn thing didn't require taking apart the interior to remove!

@dbarr15 10 месяцев назад

Thanks for sharing. Crazy design for sure. Do new prop shafts come splined?

@roundtailrestoration 10 месяцев назад

Thanks. I can only assume the new prop shafts are splined. Just seems way to complicated to retain - costs too much to produce these days. Thanks!

@larryp6814 10 месяцев назад

Anyone can drive a Honda…. …… but not anyone can drive a Spit! 😊

@roundtailrestoration 10 месяцев назад

Got that right...and sometimes not anyone wants to! But, I guess it's to be expected after a first restoration to have some kinks to work out. Thanks, Larry!