tr6fan Posted January 14, 2018 Report Share Posted January 14, 2018 (edited) Hi all Just had the diff reconditioned-and recommend Mike Papworth at Coventry for his excellent work-made a real effort to ensure it was done well. However, to get on topic, I did a compression test and it led to further investigation-all cylinders around 180 but number 5 on 145. Altough I took the head off and ground the valves in when I bought the car, that was now a staggering 10 years ago (where does the time go?) it always seemed to run a little rough, even for a 6! The car was fully rebuilt in the mid nineties and the engine was reconditioned. I suspect head gasket failure and intend to take the head off and check. Does anyone have any recommendations for unleaded conversion and head reconditioning in the Midlands? Or maybe a swap for a head that is ready to fit? Anyone been in this position and have some advice? TIA Phil Edited January 14, 2018 by tr6fan Quote Link to post Share on other sites
RogerH Posted January 14, 2018 Report Share Posted January 14, 2018 Hi Phil, are you sure the #5 'low' compression is the gasket. Have you tried putting oil in the #5 pot and repeating the test. This may highlight a valve. Roger Quote Link to post Share on other sites
tr6fan Posted January 14, 2018 Author Report Share Posted January 14, 2018 Yes could be Roger, but I've made my mind up to take the head off and have a look. Compression issue might be a valve but there is water in the oil, which I reckon makes it worth taking to bits! Thanks Phil Quote Link to post Share on other sites
Tr4Deano Posted January 14, 2018 Report Share Posted January 14, 2018 Recommend Pete Burgess for head work, just off junction 28, M1. Very happy with the work done to my 4. Quote Link to post Share on other sites
Tim D. Posted January 14, 2018 Report Share Posted January 14, 2018 Or coventry boring. Only 1/4mile from the old canley site. .. http://www.coventryboring.co.uk/grinding/4537933476 Cheers Tim Quote Link to post Share on other sites
tr6fan Posted January 14, 2018 Author Report Share Posted January 14, 2018 Thanks chaps Quote Link to post Share on other sites
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