Lebro Posted March 19, 2022 Report Share Posted March 19, 2022 To add to above, I did some tests on original TR3 springs (with the third exhaust spring removed), & new TR4A springs, & there was nothing to choose between them strength wise. So I used my originals without the third spring. The extra spring was only required because the 2's & 3's started off with larger diameter stems on the exhaust valves, which made them heavier, & so need the stronger spring to avoid valve bounce. Later cars use the same size stems as for the inlet valve, so do not need the same strength. Bob Quote Link to post Share on other sites
EliTR6 Posted March 19, 2022 Author Report Share Posted March 19, 2022 Thanks all for the replies Yes, mild piper cam according to the invoices that came with the car and no ticking until last year. The engine rebuild was before my ownership so I don't know much about it. I can't make out whether there's a 3rd spring fitted Might be best to wait for new pushrods and see if this cures it but I'm concerned as to why it happened in the first place Quote Link to post Share on other sites
stuart Posted March 19, 2022 Report Share Posted March 19, 2022 Looks like 3 springs to me when blown up. Stuart. Quote Link to post Share on other sites
Charlie D Posted March 19, 2022 Report Share Posted March 19, 2022 Is it my imagination or are the outer spring coils much tighter at the bottom? Is that normal? Charlie. Quote Link to post Share on other sites
Ian Vincent Posted March 19, 2022 Report Share Posted March 19, 2022 13 minutes ago, Charlie D said: Is it my imagination or are the outer spring coils much tighter at the bottom? Is that normal? Charlie. I believe so and yes I’m pretty sure the tighter coils should be at the bottom. Rgds Ian Quote Link to post Share on other sites
Lebro Posted March 19, 2022 Report Share Posted March 19, 2022 +1 yes they should Bob Quote Link to post Share on other sites
Charlie D Posted March 19, 2022 Report Share Posted March 19, 2022 Thanks for the replys Ian and Bob Something else that I didn't do when I rebuilt my engine. Still, not as bad as the mistake I made by putting half my piston rings in upside down ! Charlie. Quote Link to post Share on other sites
Ian Vincent Posted March 19, 2022 Report Share Posted March 19, 2022 Eli, presumably you know which valve the bent pushrod is associated with. It’s fairly straightforward to check for coil binding on that valve once you have refitted the valve gear. Rgds Ian Quote Link to post Share on other sites
EliTR6 Posted March 19, 2022 Author Report Share Posted March 19, 2022 2 hours ago, stuart said: Looks like 3 springs to me when blown up. Stuart. I can't see a 3rd spring, it's hard when you don't know exactly what you're looking for! Time to call it a day, more head work to come and not just on the TR... Quote Link to post Share on other sites
ntc Posted March 19, 2022 Report Share Posted March 19, 2022 Suggest you look for sticking followers Quote Link to post Share on other sites
EliTR6 Posted March 19, 2022 Author Report Share Posted March 19, 2022 3 hours ago, ntc said: Suggest you look for sticking followers Thanks. How do I check the followers without taking the head off? Quote Link to post Share on other sites
EliTR6 Posted March 20, 2022 Author Report Share Posted March 20, 2022 23 hours ago, BlueTR3A-5EKT said: I have a couple of spare push rods I could post if you are stuck. Peter W Thanks for the offer Peter but it's a nightmare posting parts between the UK and France. Are the new readily available pushrods of acceptable quality? Quote Link to post Share on other sites
stuart Posted March 20, 2022 Report Share Posted March 20, 2022 49 minutes ago, EliTR6 said: Thanks for the offer Peter but it's a nightmare posting parts between the UK and France. Are the new readily available pushrods of acceptable quality? Not that bad if the packet is small enough . Stuart. Quote Link to post Share on other sites
Lebro Posted March 20, 2022 Report Share Posted March 20, 2022 I have a set of 8 you could have ! Bob Quote Link to post Share on other sites
EliTR6 Posted March 27, 2022 Author Report Share Posted March 27, 2022 (edited) @Lebrosaves the day again! He sorted me out with an set of pushrods and I fitted them this afternoon, set them clearances to 0.015 on both inlet and exhaust and took the car for a short spin. It sounds quieter but I didn't have time to take the car for a proper run and get it fully warmed up. Thanks again @Lebro! Ps : here's how it sounded with the old pushrods (bonnet up though) Edited March 27, 2022 by EliTR6 Quote Link to post Share on other sites
Ian Vincent Posted March 28, 2022 Report Share Posted March 28, 2022 Eli, You need to give the copper pipe across the back of the engine bay a bit more support. You run the risk of it fatigue cracking if you leave it like that. Rgds Ian Quote Link to post Share on other sites
EliTR6 Posted March 28, 2022 Author Report Share Posted March 28, 2022 1 hour ago, Ian Vincent said: Eli, You need to give the copper pipe across the back of the engine bay a bit more support. You run the risk of it fatigue cracking if you leave it like that. Rgds Ian Hi Ian Thanks It looks scary in the video but it's actually a brown electrical wire from the alternator to my 2nd fusebox Quote Link to post Share on other sites
EliTR6 Posted April 12, 2022 Author Report Share Posted April 12, 2022 I waved goodbye to the landy today, it had become too valuable to sit in a corner of the shed most of the year and too costly to use often. I'm sure I'll be back in a series one day but for now I'm happy to have a brace of vehicles with (slightly) higher mpg for regular use! However I made the most of being at my folks place to take the TR out for a quick spin and the engine is definitely quieter thanks to Bob's pushrods. Quote Link to post Share on other sites
roy53 Posted April 12, 2022 Report Share Posted April 12, 2022 28 minutes ago, EliTR6 said: However I made the most of being at my folks place to take the TR out for a quick spin and the engine is definitely quieter thanks to Bob's pushrods. That's interesting as i have been watching your progress with this. I have a 4 with the same issue and have not been able to quieten it down . Changed complete rocker shaft and tappets . Sure the noise is at the top end and not followers. Roy Quote Link to post Share on other sites
Lebro Posted April 12, 2022 Report Share Posted April 12, 2022 Same here, Aerominx leaving home for good ! Bob Quote Link to post Share on other sites
roy53 Posted April 20, 2022 Report Share Posted April 20, 2022 Just fitted another used rocker shaft and problem solved. So i now know what to rebuild . Quote Link to post Share on other sites
EliTR6 Posted April 20, 2022 Author Report Share Posted April 20, 2022 2 hours ago, roy53 said: Just fitted another used rocker shaft and problem solved. So i now know what to rebuild . Hi Roy! Nice one. What's wrong with keeping the used one? Quote Link to post Share on other sites
roy53 Posted April 21, 2022 Report Share Posted April 21, 2022 I will leave it as is now. But i always repair things as no use a shelf of not usable parts. Roy Quote Link to post Share on other sites
EliTR6 Posted May 3, 2022 Author Report Share Posted May 3, 2022 I hope the timing seal lasts until the end of the summer I've ordered a set of new tyres, vredestein t trac 2s. My contis have zero wear but are 14 years old... Quote Link to post Share on other sites
EliTR6 Posted March 12 Author Report Share Posted March 12 Wow, almost two years since my last post... The TR has seen very little use the past couple of years apart from the odd local trip with young Will. Two young kids and a vintage Alvis all competing for attention have meant the TR bring sidelined too often. Nonetheless I thought I would spend a few evenings greasing the TR and giving the whole car a proper check over so she's ready for spring. I found a disintegrated gaiter on the front ball joint and more worryingly are leaking rear wheel cylinder. I repainted and waxed the underneath almost 4 years ago when I bought the car and it all looks good apart from where the floors flexing has broken away the paint and I can see some rust. Overall it's very solid but the front suspension could your with an overhaul and the rear springs need oiling. I can't access the grease nipple at the front of the prop and there's no hole in the tunnel. I was going to drill in the top center of the gearbox tunnel and use a rubber bung to seal the hole once I'm done. Where is it usually placed? Thanks Quote Link to post Share on other sites
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