[TR] Noisy Engine

[auprichard at comcast.net]

If the bearing is misaligned, I am told there are alternatives to an entire rebuild:  one can bypass the bearing with an external feed or pull the camshaft forward marginally and drill a new hole through down through the head - but hopefully none of this will be necessary.

-------------- Original message -------------- 
From: "Jack W. Drews" <vinttr4 at geneseo.net> 

> Someone else suggested no oil to the top end. That's a good 
> suggestion. If you installed new cam bearings, and had a local shop 
> do it who is not familiar with TR's, they may have misaligned the 
> rear camshaft bearing. That bearing has three holes in it and normal 
> engines have two. The third hole is for feed to the rockers -- guess 
> how I know. 
> 
> At 06:48 AM 9/13/2007, Nolan wrote: 
> >I hear what sounds like valve train noise from excessive valve clearance, as 
> >well an exhaust leak. Standing out from that general noise are two distinct 
> >ticks, which could be an exhaust leak at the manifold/head joint, or a very 
> >loose individual valve clearance. 
> > 
> >Were it my engine, I'd re-check the valve clearance, and re-examine the 
> >manifold mounting. 
> > 
> > 
> >----- Original Message ----- 
> >From: "Brian Induni" <308gtsi at adelphia.net> 
> >To: 
> >Sent: Wednesday, September 12, 2007 9:46 PM 
> >Subject: [TR] Noisy Engine 
> > 
> > 
> > > Hello all, 
> > > 
> > > 
> > > 
> > > I'm having a tough time pin pointing the ugly noise coming from my fresh 
> > > TR4a engine and hoping you can help! I totally rebuilt this engine with 
> > > new 
> > > or reworked EVERYTHING, so maybe I got something wrong? 
> > > 
> > > 
> > > 
> > > Here's a link to a short video I made of the engine running 
> > > http://www.induninw.com/TR4a%20engine%20noise.wmv 
> > > 
> > > 
> > > 
> > > Please give a listen and let me know what you think it might be. 
> > > 
> > > 
> > > 
> > > Thanks so much! 
> > > 
> > > 
> > > 
> > > Brian 
> >_______________________________________________ 
> >vinttr4 at geneseo.net 
> > 
> >This list supported in part by the Vintage Triumph Register 
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> > 
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> 
> uncle jack 
> 
> 
> 
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