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1  For Sale / Mower Engines & Parts / Gxv390 welded head on: December 29, 2014, 08:17:14 PM
seeing if there is any interest in my gvx 390 welded head. comes complete with large stainlessvalves,  brass guides,comp cams .600 lift springs,rev 1.3 roller rockers over $700 in head alone plus roller rockers.these are still on my mowchine i will pull off and measure valves i dont remember sizes off top of my head . combustion chamber has been welded and has heart shape combustion chamber i will email pics on request. roughly 24cc. only .005 off head to true surface   $700 obo.  thinking about different route only reason im selling. this head will raise compression 2 full points and flows very well
2  Engine Help / Honda and Clone Engines / gxv390 balanceshafts? on: May 01, 2012, 11:06:26 PM
 unlike the gx390 the gxv has two balance shafts. pitch them or leave them? this engine will run 7000. and what do u recomend for balance%
3  Engine Help / Other Engines / gxv390 billet flywheel on: September 15, 2010, 12:27:11 PM
Does anybody know where or who is making billet flywheeels for these engines?I ordered one for a gx390 from arc and the ring gear is different as is the crankshaft taper .Chuck what did you use for a flywheel on yours years ago?I have every thing done to this motor to run 8000rpm.and figured the flywheel would be the easy part as most of the gx parts were interchangeable ,boy thats what i get for thinking.
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