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 Post subject: split exhaust rubbers
PostPosted: Sat Jun 08, 2019 3:41 pm 
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Two of the oval rubbers with two semi-circular slots through them on the Sprint have split. That may, in part because whoever fitted them seems to have cut the lower two slots into D shaped holes. The problem is, I can get neither off without cutting them off - the brackets on the car are bending. So, I'm worried I'm not going to get the new ones on very easy, and may even snap the brackets.

But, other than they are split through, there's little wrong with the ones that are on.

So what's to stop me putting a large (35-50mm) jubilee clip around each one?

Graham

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The 16v Slant 4 engine is more fun than the 3.5 V8, because you mostly drive it on the upslope of the torque curve.

Factory 1977 TR7 Sprint FHC VVC 697S (Now all of, but still needs putting together)
B&Y 73 Dolomite Sprint UVB 274M (kids!)
1970 Maroon 13/60 Herald Convertable (wife's fun car).


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PostPosted: Sat Jun 08, 2019 4:20 pm 
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Quote:
Two of the oval rubbers with two semi-circular slots through them on the Sprint have split. That may, in part because whoever fitted them seems to have cut the lower two slots into D shaped holes. The problem is, I can get neither off without cutting them off - the brackets on the car are bending. So, I'm worried I'm not going to get the new ones on very easy, and may even snap the brackets.

But, other than they are split through, there's little wrong with the ones that are on.

So what's to stop me putting a large (35-50mm) jubilee clip around each one?

Graham
I suspect putting a jubilee clip will restrict movement and maybe cause vibration :?:

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1977 Flamenco sprint (VGY NOW TAX AND MOT FREE :D )


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PostPosted: Sat Jun 08, 2019 5:24 pm 
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My new ones from LD sold as being more pliable was horseshit, they were just as rubbish and all split within a year. Now to be fair, I also had to get a chisel to them so that they would fit the D shape of the RB SS exhaust. I've now replaced them all with a bulk order of Sealey EX04 exhaust rubbers bought from the Green Spark Plug Co. for a the pittance of a quid a pair. Easy to put on as they are just round, I've finished them off with a wrap around the middle. The exhaust height is the same as was, there is a little more movement in it but that's probably a good thing over the old rigid rubber.

I'm hopeful that these last for years like normal car exhaust rubbers do.

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Current fleet: Triumph Dolomite Sprint '75, Daihatsu Fourtrak, Honda CG125, Yamaha Fazer 600, Shetland 570

Disposal fleet: Golf GTi 16v MK3 Anniversary

Past fleet: Triumph 2000, Lancia Beta Coupe, BL Mini Clubman, Austin Metro, Vauxhall Cavalier MK1 & MK2, Renault 18 D, Rover 216 GSI, Honda Accord (most expensive car purchase, hated it on pickup from dealer, was made out of magnetic metal as only car I've ever been crashed into, 4 times), Golf GTi MK3 16v x 3


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PostPosted: Sat Jun 08, 2019 7:49 pm 
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You obviously have not been reading my A to Z on Dolomites in Dolly Mixture. In part 3 I suggested -

"Exhaust
Fit wide tie wraps around the outside of rubber mounts to extend their life - I do not remember who suggested this to me but it is certainly a good tip to extend the life of the rubber exhaust mounts. The tie wrap stops the rubber mount from being put under excessive strain."

I did not cover getting the mounts on and off but if you spray them and the hanger with something like WD40 and then use two large screwdrivers you should be able to do it.


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PostPosted: Sat Jun 08, 2019 8:09 pm 
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I did read it, either way the rubbers are still rubbish and don't work with a Rimmers SS exhaust imho.

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Current fleet: Triumph Dolomite Sprint '75, Daihatsu Fourtrak, Honda CG125, Yamaha Fazer 600, Shetland 570

Disposal fleet: Golf GTi 16v MK3 Anniversary

Past fleet: Triumph 2000, Lancia Beta Coupe, BL Mini Clubman, Austin Metro, Vauxhall Cavalier MK1 & MK2, Renault 18 D, Rover 216 GSI, Honda Accord (most expensive car purchase, hated it on pickup from dealer, was made out of magnetic metal as only car I've ever been crashed into, 4 times), Golf GTi MK3 16v x 3


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PostPosted: Sat Jun 08, 2019 11:09 pm 
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I also used very wide cable ties on my standard exhaust rubbers, they've lasted for years.
However, Chris Witor now do them in Poly.....also stainless clamps and bolts:
https://www.chriswitor.com/products.php?cat=395


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PostPosted: Sun Jun 09, 2019 6:06 am 
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If you get bored on evening, take a look through "exhaust rubber" on ebay. You will find genuine OEM rubbers for Ford/merc etc etc which are all similar enough to work, and being OEM (don't be tempted by anything claiming to exceed oem, or be equivalent) and they will last years without the need for any extra support.
I bought a pair of ford ones for a fiver, had to make them a tad narrower but that is not a hardship.

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Driving Toledo fitted with slant 4, sprint OD box and axle. Needs fettling!


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PostPosted: Sun Jun 09, 2019 6:20 am 
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How about some poly ones https://www.powerflex.co.uk/products/EX ... 618/1.html

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1977 Flamenco sprint (VGY NOW TAX AND MOT FREE :D )


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PostPosted: Sun Jun 09, 2019 8:15 am 
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Chris Witor's PU ones are no doubt great, if like any other of his products (see the other day he is doing an ali replacement fuel tank) and I would have used them if it wasn't for the fact that the RB exhaust hanger profile is wrong.

Edit: Hells bells those Powerflex ones are like £9 each!

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Current fleet: Triumph Dolomite Sprint '75, Daihatsu Fourtrak, Honda CG125, Yamaha Fazer 600, Shetland 570

Disposal fleet: Golf GTi 16v MK3 Anniversary

Past fleet: Triumph 2000, Lancia Beta Coupe, BL Mini Clubman, Austin Metro, Vauxhall Cavalier MK1 & MK2, Renault 18 D, Rover 216 GSI, Honda Accord (most expensive car purchase, hated it on pickup from dealer, was made out of magnetic metal as only car I've ever been crashed into, 4 times), Golf GTi MK3 16v x 3


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PostPosted: Sun Jun 09, 2019 7:49 pm 
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I've used 2nd hand OEM Vauxhall ones (similar to EXH019 on the powerflex listing) cut in half, on the Carledo's RB stainless system. Fitted them when I fitted the system in 2013 and not had to change one yet!

Steve

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2 door '73 Toledo with Vauxhall Carlton 2.0 8v engine OWF 797M (The Carledo)
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine EGP 247T (The Dolomega)
'91 Cavalier 2ltr 8v auto
'95 Cavalier 2ltr 16v auto
Spectrum Auto Services, Servicing, Repairs, Electrical, Recomissioning, MOT prep, Trackerjack brake fitting service.
Apprentice served Triumph Specialist for 45 years and home of Maverick Triumph.PM for more info or quotes.


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PostPosted: Sun Jun 09, 2019 9:22 pm 
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Well,I have a club exhaust,and suprise, suprise,the hangers are exactly the same as you describe on the robber bros one.
Most likely the exhausts are probably made by the same manufacturer.To be fair,not a huge problem.
I have used the new rubbers from Robsport,and they are indeed softer,and more pliable than the ones I bought previously from Rimmer-and cheaper to boot.
Be carefull using harder rubbers,you maybe transfering stress and extra noise into the main shell.


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PostPosted: Tue Jun 11, 2019 8:32 pm 
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This is quite interesting as I was replacing some of my exhaust rubbers at the weekend. Now in one of my "bits boxes" I had a bag of Dolomite exhaust mounts I remembered getting at one of the Restoration Shows as a "just in case". They were very similar in size to the originals but are much harder and if you hold them up to the light you cannot see through the U-shaped cut-outs where the brackets fit through. I tried fitting one after soaking it in boiling water and adding some red-rubber brake grease. It was hard work getting it over the brackets and I ended up splitting it before it popped into place. A 2nd one was more successful, but still hard work even with Richards suggestion of 2 screwdrivers.
Incidentally 2 of my old exhaust rubbers were a strange aftermarket item, that was similar to the originals but only 1/2 the width. The rubber on these had perished badly.
Tony.


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PostPosted: Wed Jun 12, 2019 7:55 am 
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My rubbers were replaced in Nov 2017, and need replacing again now - not sure who supplied them though as I didn't fit them.

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Murdo DA

RNK 957W, Triumph Dolomite Sprint.

Built 26/6/1980 (one of the last built), Auto, Porcelain White - Genuine Mileage 52,820 (warranted).

Only 3 previous owners, (2 within the same family).

Supplied by Lavender Hill Garage Ltd, Enfield, London, by garage owner Jimmy Metcalfe on 30th September 1980 to Geoffery Robinson, Enfield.

Club Membership No: 2017092


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PostPosted: Wed Jun 12, 2019 12:00 pm 
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Stag owners seem to like these: http://www.partsforvolvosonline.com/pro ... 3ef5a41c1b

Edit: SOC post https://socforum.com/forum/forum/stag-o ... bber/page2


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Current fleet: Triumph Dolomite Sprint '75, Daihatsu Fourtrak, Honda CG125, Yamaha Fazer 600, Shetland 570

Disposal fleet: Golf GTi 16v MK3 Anniversary

Past fleet: Triumph 2000, Lancia Beta Coupe, BL Mini Clubman, Austin Metro, Vauxhall Cavalier MK1 & MK2, Renault 18 D, Rover 216 GSI, Honda Accord (most expensive car purchase, hated it on pickup from dealer, was made out of magnetic metal as only car I've ever been crashed into, 4 times), Golf GTi MK3 16v x 3
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PostPosted: Wed Jun 12, 2019 8:26 pm 
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£1.85 each! :shock:


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