Prior to the second engine run I tried renewing the joint between the collector and the silencer with high temperature silicon sealant. Unfortunately, this did not hold either. So I bought an exhaust clamp from ebay, which I think is normally fitted to motorbike silencers. I avoided the normal chunky u-bolt type clamp as this looks a bit clumsy and has more sharp edges to cause radius issues at IVA test time.
To make the join I first cut a 30mm slot on each side of the end of the silencer pipe. Then aided with some more silicon sealant I clamped the collector and silencer together. All seems good, but I'll only know when I next run the engine. Fingers crossed.
To make the join I first cut a 30mm slot on each side of the end of the silencer pipe. Then aided with some more silicon sealant I clamped the collector and silencer together. All seems good, but I'll only know when I next run the engine. Fingers crossed.
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