*greg* Posted January 14, 2010 Share Posted January 14, 2010 I am after a set of upgraded valves for my 4EFTE Ep91 ,i cant seem to find any anywhere. Thanks in advance Quote Link to post Share on other sites
lukEp Posted January 14, 2010 Share Posted January 14, 2010 upgraded? do you mean hardened valves and seats or bigger valves. Quote Link to post Share on other sites
Asad Posted January 14, 2010 Share Posted January 14, 2010 There arn`t any as far as im aware......springs, cams etc no valves..... Quote Link to post Share on other sites
*greg* Posted January 14, 2010 Author Share Posted January 14, 2010 hardened as using upgraded springs and dont want to rip the heads off. Quote Link to post Share on other sites
Sparky Posted January 14, 2010 Share Posted January 14, 2010 Speedvision make a set I am sure, they trade on TGTT if your on there. Quote Link to post Share on other sites
*greg* Posted January 14, 2010 Author Share Posted January 14, 2010 has anyone had this problem of the heads coming off using uprated valve springs? Quote Link to post Share on other sites
riko666 Posted January 14, 2010 Share Posted January 14, 2010 heads coming off due to the springs?? I've heard of them lifting under too much boost on stock headbolts, not due to the valve springs.. Quote Link to post Share on other sites
*greg* Posted January 14, 2010 Author Share Posted January 14, 2010 heads coming off due to the springs?? I've heard of them lifting under too much boost on stock headbolts, not due to the valve springs..sorry i meant the valve heads snapping off due to the increased compression rate of the upgrade springs. Quote Link to post Share on other sites
riko666 Posted January 14, 2010 Share Posted January 14, 2010 never heard of it personally, and the Speedvision springs are meant to be almost too stiff... Quote Link to post Share on other sites
*greg* Posted January 14, 2010 Author Share Posted January 14, 2010 I am using Momentum motorsports springs but not yet fitted Quote Link to post Share on other sites
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