Fitting new exhaust pipes to my SF3

T

T E Lawrence

New member
I have bought some stainless pipes from FEKED and am having problems fitting them. The problem seems to be that the raised part of the pipe where it enters the cylinder head is 2-3 mm too short so that the exhaust rose cannot compress the pipe sufficiently to hold it firm. I have tried 2 copper gaskets rather than 1 and that certainly makes a difference - however, not enough. I think I would have to put another 2 to get a tight fit. My question is, is this a satisfactory solution, or should I return the pipes and get some others?

Many thanks,

Keith
 
I'll go out on a limb here and suggest you contact Malcolm Cox to see how he is coming along with his SF3 Chrome exhaust system.  See the Malcom Cox thread under Suppliers to find out more about what Malcolm is doing and the absolute quality of his work.  If he has not got them underway as yet, see if you can at least wait or whether he can do you a deal on secondhand set with a buy back price when the new ones are available.  I'll be buying a set of Malcolms chrome exhausts for my SF1 as soon as he has them available - I have no doubt that they will be an  exact fit and of the highest quality.

To my mind, exhausts should fit and although I have no expereince with Feked, if they are not bolt on and require work on them, then I would send them back and get a refund.

Yogi
 
Make sure you have the correct "roses" which sould be flat at the back, not those with a recess for 1/2 rings for models with a front of engine crossover pipe.
Ciao
Paul
 
T E Lawrence said:
I have bought some stainless pipes from FEKED and am having problems fitting them. The problem seems to be that the raised part of the pipe where it enters the cylinder head is 2-3 mm too short so that the exhaust rose cannot compress the pipe sufficiently to hold it firm. I have tried 2 copper gaskets rather than 1 and that certainly makes a difference - however, not enough. I think I would have to put another 2 to get a tight fit. My question is, is this a satisfactory solution, or should I return the pipes and get some others?

Many thanks,

Keith
Click to expand...

Keith

Just a thought (before you resort to sending your new pipes back...) but are your exhaust roses flat?
I've seen old and over tighten roses bowed causing the symptoms that you're describing.

HTH

T.
 
Many thanks. The roses are flat. I waited 5 weeks for these pipes to be fabricated so am upset they don't quite fit. Using 4 gaskets would probably tighten the pipes up sufficiently but am unsure if this would cause any other problems. Otherwise, I'll return them and start again.
Keith
 
Hi keith - I don't like the idea of having a great length of very hot steel pipe stuffed into the exhaust port - and on mine - i fit an aluminium sleeve into the port that means only about a quarter of an inch sits in the head and shorten flanges on pipes to suit. If you can make a couple of rings like that (but shorter) that may be a way round this annoying problem. A fistful of CU washers is Okish but not ideal. - Regards - Phil
 
Can't quite fit my SFC megaphones from Wolfgang as the inside bend of RH header touchs engine with copper washer and half rings in place.
Your suggestion Phil may sort it out though.
Cheers, Pat.
 
I have my suspicions that Fekked pipes are made by Armours whose exhausts have sometimes proved to be not quite right - have you spoken to Fekked to see if they will rectify the problem? I have a set of 750 stainless downpipes her that you could borrow to try/compare/use whilst you sort out what you have. I bought them 2nd hand and have never fitted them but could check how they fit into a (small valve) head here. pm me if you want to borrow them.
Cheers Norman
 
Many thanks for your helpful suggestions Phil.
A further problem arose with the Feked pipes in that the right hand one did not provide sufficient clearance for the gear change lever at the setting I have it meaning I could depress it enough to engage 1st gear. I am going to return them to Feked. Normski, I will pm you.

Thanks again,

Keith
 
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